Updated on 2024/11/16

写真a

 
Nishizaki Hiromitsu
 
Organization
Graduate Faculty of Interdisciplinary Research Faculty of Engineering Mechanical Engineering (Mechatronics) Professor
Title
Professor
Contact information
メールアドレス
Profile
Born in Sayo Town, Hyogo Prefecture. He graduated from Tsuyama National College of Technology, and transferred to Toyohashi University of Technology in 1996. He got Ph.D. in Engineering from Toyohashi University of Technology in March 2003. From April 2003, he has been working at University of Yamanashi. He specializes in spoken language information processing and multimedia pattern recognition. Recently, he is interested in deep learning. He has also started research on smart agriculture.

Other affiliation

  • Internationalization Promotion Center  Director

Research History

  • University of Yamanashi   Professor

    2022.4

  • University of Yamanashi   Associate Professor

    2016.4 - 2022.3

  • 国立台湾大学   電機情報学院   客員研究員

    2015.8 - 2016.3

  • 山梨大学   大学院医学工学総合研究部   助教

    2007.4 - 2016.3

  • 山梨大学   大学院医学工学総合研究部   助手

    2003.4 - 2007.3

Education

  • Toyohashi University of Technology

    - 2003.3

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    Country: Japan

  • Toyohashi University of Technology

    - 2000.3

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    Country: Japan

  • Toyohashi University of Technology

    - 1998.3

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    Country: Japan

  • Tsuyama National College of Technology

    - 1996.3

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    Country: Japan

Degree

  • Docter of Engineering ( 2003.3   Toyohashi University of Technology )

  • Master of Engineering ( 2000.3   Toyohashi University of Technology )

  • Bachelor of Engineering ( 1998.3   Toyohashi University of Technology )

  • Associate in Engineering ( 1996.3 )

Current state of research and teaching activities

  • In the 2023 academic year, numerous papers were published in international journals and conferences such as IEEE and IEICE. The main research themes included speech recognition, image processing, machine learning, and grape cultivation support systems.
    Research activities continued to be promoted using external funds such as Grants-in-Aid for Scientific Research (KAKENHI) and joint research projects.
    Actively engaged in spreading specialized knowledge outside the university, such as through the AI and Data Utilization Specialist Training Course organized by Yamanashi Prefecture and tutorial lectures at the Institute of Electronics, Information and Communication Engineers (IEICE).
    Received the University of Yamanashi Excellent Faculty Award in September 2023.

Research Areas

  • Humanities & Social Sciences / Educational technology

  • Informatics / Intelligent robotics

  • Informatics / Intelligent informatics

  • Informatics / Human interface and interaction

  • Informatics / Perceptual information processing  Major achievement

Research Interests

  • speech recognition

  • speech interface

  • Natural Language Processing

  • information retrieval

  • spoken language processing

  • スマート農業

  • Deep learning

  • Spoken term detection

  • Spoken language processing

  • Spoken document retrieval

  • Speech recognition

Subject of research

  • スマート農業(AIを用いた農作物栽培・出荷支援)

  • Automatic Speech Recognition

  • Deep Learning

  • Large Vocaburary Continuous Speech Recognition for Lecture Speech

  • Study on Spoken Language Processing

  • spoken dialogue system

  • Study on automatic evaluation of lecture speech

  • Development of archiving methods of lecture videos (especially spoken document retrieval and speech summarization and so on)

  • speech interface

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Proposed theme of joint or funded research

  • 手書き文字認識(OCR)の研究

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    Possible form of cooperation:Funded Research, Cooperative Research Type of joint or funded research proposed:Wish to undertake joint research with industry and other organizations including private sector.

  • ディープラーニング技術を活用したマルチメディア情報処理に関する研究

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    Possible form of cooperation:Technical Consultation, Funded Research, Cooperative Research Type of joint or funded research proposed:Wish to undertake joint research with industry and other organizations including private sector.

  • 音声認識を用いたアプリケーション等

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    Possible form of cooperation:Technical Consultation, Cooperative Research Type of joint or funded research proposed:Wish to undertake joint research with industry and other organizations including private sector.

Research Projects

  • 音声対話システムの普及に向けた信頼される音声対話が備えるべき仕組みの解明と検証

    2024.4 - 2027.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

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    Authorship:Coinvestigator(s)  Grant type:Competitive  Type of fund::Science research expense

  • 実環境下極小音の高精度な検出を目指す極小音響特徴量抽出手法の模索

    2024.4 - 2027.3

    日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

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    Authorship:Principal investigator  Grant type:Competitive  Type of fund::Science research expense

  • 大規模言語モデルを活用して高度な対話タスクを効率的に実現する技術基盤の開発

    2024.4 - 2027.3

    日本学術振興会  科学研究費助成事業  基盤研究(A)

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    Authorship:Coinvestigator(s)  Grant type:Competitive  Type of fund::Science research expense

  • 複数顧客による接客訓練が可能なシナリオベースVR環境の構築と評価

    2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

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    Authorship:Coinvestigator(s)  Grant type:Competitive  Type of fund::Science research expense

  • 高齢者を対象とした永続的に利用できるマルチモーダル対話システム基盤技術の構築

    2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業  基盤研究(A)

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    Authorship:Coinvestigator(s)  Grant type:Competitive  Type of fund::Science research expense

  • オンライン環境における健聴者・聴覚障害者間の意思疎通を支援する音声言語基盤技術

    2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

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    Authorship:Coinvestigator(s)  Grant type:Competitive  Type of fund::Science research expense

  • 高品質なぶどう栽培を支援するための人工知能技術の研究開発

    2020.10 - 2022.3

    株式会社YSK e-com  サポート型共同研究

    西崎博光、茅暁陽,牧野浩二

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    Authorship:Principal investigator  Type of fund::Joint research

  • 高品質なぶどう栽培を支援するための人工知能技術の研究開発

    2020.10 - 2021.3

    国立大学法人山梨大学  国立大学イノベーション創出環境強化事業  サポート型共同研究

    西崎 博光、茅暁陽,牧野浩二

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    Authorship:Principal investigator  Type of fund::Others

  • 教育現場における健聴者・聴覚障害者間の円滑な意思疎通を支援する音声言語基盤技術

    2020.4 - 2022.3

    日本学術振興会  科研費  基盤研究(B)

    小林 彰夫

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 接客訓練のための音声対話システム基盤技術の構築と評価

    2020.4 - 2022.3

    日本学術振興会  新学術領域研究 (研究領域提案型)

    西崎博光

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 接客訓練のためのシナリオベースVR環境の構築と評価

    2020.4 - 2022.3

    日本学術振興会  科研費  基盤研究(B)

    星野 准一

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 音声・感情・環境音を認識する豊かな情報保障技術

    2020.4 - 2021.3

    公益財団法人放送文化基金  研究助成(技術開発)

    西崎 博光、宇津呂武仁,小林彰夫

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    Authorship:Principal investigator  Type of fund::Others

  • 高齢者を対象とした音声認識・対話システム基盤技術の構築

    2019.4 - 2022.3

    日本学術振興会  科研費  基盤研究(A)

    北岡 教英

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 深層学習を用いた音声認識を最適化する音響モデル単位の自動獲得に関する研究

    2019.4 - 2022.3

    日本学術振興会  科研費  基盤研究(C)

    山本 一公

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • スムーズな対話のための対話テンポのリアルタイム制御に基づく音声対話システム

    2019.4 - 2022.3

    日本学術振興会  科研費  基盤研究(C)

    西村 良太

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • ドローン空撮画像に対する機械学習基盤の開発

    2017.6 - 2018.3

    地域振興研究プロジェクト

    西崎博光、渡辺喜道

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    Authorship:Principal investigator  Type of fund::Others

  • 音声処理・言語処理技術を用いた作業記録・手順書作成方式に基づく技術伝承システム

    2017.4 - 2021.3

    日本学術振興会  科研費  基盤研究(B)

    西崎 博光

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 音声処理・言語処理技術を用いた作業記録・手順書作成方式に基づく技術伝承システム

    2017.4 - 2021.3

    基盤研究(B)

    西崎博光

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 技術伝承のための作業記録の作成・閲覧支援システムの開発

    2016.6 - 2017.3

    山梨大学  地域振興研究プロジェクト 

    西崎博光

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    Authorship:Principal investigator  Type of fund::Others

  • 学習・教育支援のための多様な環境で収録された授業音声の利活用に関する研究

    2015.4 - 2018.3

    基盤研究(C)(一般)

    南條浩輝

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 音声処理技術と言語処理技術を活用した電子ノート作成支援システムの研究

    2014.4 - 2017.3

    基盤研究(B)

    西崎博光

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 音声中の任意語彙検出の高度化と音声認識・音声ドキュメント内容検索への応用

    2011.4 - 2014.3

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 良い講義を行うための音声処理技術を利用した話し方トレーニング支援システム

    2009.4 - 2011.3

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    Authorship:Principal investigator  Type of fund::Science research expense

  • 安全・便利な車内情報システムインタフェース

    2007.9 - 2011.8

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    Authorship:Coinvestigator(s)  Type of fund::Others

  • 音声ドキュメントのセマンティックコンテンツ化と音声対話による高度利用化の研究

    2007.4 - 2008.3

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    Authorship:Coinvestigator(s)  Type of fund::Funded research

  • 講義・講演音声の自動インデキシング化と音声インタラクションによる高度利用の研究

    2007.4 - 2008.3

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 対話によるコミュニケーション能力向上支援システム

    2006.4 - 2009.3

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 大学の講義・講演音声のコンテンツ化とその内容評価に関する研究

    2006.4 - 2009.3

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    Authorship:Principal investigator  Type of fund::Science research expense

  • マルチメディアコンテンツの内容検索のための高精度なインデキシング技術の開発

    2006.4 - 2007.3

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    Authorship:Principal investigator  Type of fund::Donation

  • 講義・講演音声の自動インデキシング化と音声インタラクションによる高度利用の研究

    2006.4 - 2007.3

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • 音声ドキュメントのセマンティックコンテンツ化と音声対話による高度利用化の研究

    2006.4 - 2007.3

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    Authorship:Coinvestigator(s)  Type of fund::Funded research

  • 音声ドキュメントのセマンティックコンテンツ化と音声対話による高度利用化の研究

    2005.4 - 2006.3

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    Authorship:Coinvestigator(s)  Type of fund::Funded research

  • 講義・講演音声の自動インデキシング化と音声インタラクションによる高度利用の研究

    2005.4 - 2006.3

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

  • マルチメディアコンテンツ検索のための高精度なインデキシング法の開発

    2005.1 - 2006.3

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    Authorship:Principal investigator  Type of fund::Donation

  • 音声インタラクションによるマルチメディアデータからの内容検索

    2003.6 - 2004.2

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    Authorship:Principal investigator  Type of fund::Others

  • 複数話者と対話可能な知能ロボットの開発

    2003.4 - 2004.3

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    Authorship:Coinvestigator(s)  Type of fund::Science research expense

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Papers

  • The dynamic load-induced bioelectric potentials of knee joint Reviewed International coauthorship

    Jae Hyun Lee, Ye-Seul Jang, Hiromitsu Nishizaki, Won-Du Chang

    Proceedings of the 23rd International Conference on Cyberworlds (Cyberworlds 2024)   358 - 359   2024.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • High Quality Color Estimation of Shine Muscat Grape Using Vision Transformer Reviewed Major achievement

    Ryosuke Shimazu, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiayang Mao, Hiromitsu Nishizaki

    Proceedings of the 23rd International Conference on Cyberworlds (Cyberworlds 2024)   195 - 200   2024.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • Prediction Model with Penalized Hyperparameter Optimization for mRNA Vaccine Degradation Based on Tetra-nitrogenous-base Analysis Reviewed International coauthorship

    Hwai Ing Soon, Azian Azamimi Abdullah, Hiromitsu Nishizaki, Latifah Munirah Kamarudin

    Proceedings of the 23rd International Conference on Cyberworlds (Cyberworlds 2024)   249 - 256   2024.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • Analysis of Acute Stress Reaction with EEG using MI-mRMR EEG Channel Selection and Ensemble Learning with Majority Voting Reviewed International coauthorship

    Muhammad Rasydan Mazlan, Abdul Syafiq Abdull Sukor, Abdul Hamid Adom, Latifah Munirah Kamarudin, Hiromitsu Nishizaki, Norasmadi Abdul Rahim

    Proceedings of the 23rd International Conference on Cyberworlds (Cyberworlds 2024)   272 - 279   2024.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • Integration of dual band radio waves and ensemble-based approach for rice moisture content determination and localisation Reviewed International coauthorship

    Noraini Azmi, Latifah Munirah Kamarudin, Ahmad Shakaff Ali Yeon, Ammar Zakaria, Syed Muhammad Mamduh Syed Zakaria, Hiromitsu Nishizaki, Latifah Mohamed, Xiaoyang Mao, Mohd Hafiz Fazalul Rahiman

    Journal of Stored Products Research   108   2024.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jspr.2024.102399

  • Optimizing hybrid neural networks for precise COVID-19 mRNA vaccine degradation prediction Reviewed International coauthorship

    Hwai Ing Soon, Azian Azamimi Abdullah, Hiromitsu Nishizaki, Mohd Yusoff Mashor, Latifah Munirah Kamarudin, Zeti-Azura Mohamed-Hussein, Zeehaida Mohamed, Wei Chern Ang

    International Journal of Advanced and Applied Sciences   11 ( 7 )   87 - 100   2024.7( ISSN:2313-626X )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.21833/ijaas.2024.07.011

  • Analysis of Classroom Processes Based on Deep Learning With Video and Audio Features Reviewed Major achievement

    Chuo Hiang Heng, Masahiro Toyoura, Chee Siang Leow, Hiromitsu Nishizaki

    IEEE Access   12   110705 - 110712   2024.7( ISSN:2169-3536 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1109/ACCESS.2024.3434742

  • An FPA-Optimized XGBoost Stacking for Multi-Class Imbalanced Network Attack Detection Reviewed International coauthorship

    Hui Fern Soon, Amiza Amir, Hiromitsu Nishizaki, Nik Adilah Hanin Zahri, Latifah Munirah Kamarudin

    International Journal of Advanced Computer Science and Applications   15 ( 7 )   1380 - 1390   2024.7( ISSN:2158-107X )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.14569/IJACSA.2024.01507134

  • Enhancing Predictive Models for Assessing 5G Exposure Effects on Human Health and Cognition through Supervised Machine Learning: A Multi-Stage Feature Selection Approach Reviewed International coauthorship

    Tasneem Sofri, Allan Melvin Andrew, Hasliza A Rahim, Hiromitsu Nishizaki, Latifah Munirah Kamarudin, Peng Wen Wong, Ping Jack Soh

    Przeglad Elektrotechniczny   2024 ( 6 )   122 - 128   2024.6( ISSN:0033-2097 )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.15199/48.2024.06.23

  • COVID-19 mRNA vaccine degradation rate prediction using artificial intelligence techniques: A narrative review Reviewed International coauthorship

    Hwai Ing Soon, Azian Azamimi Abdullah, Hiromitsu Nishizaki, Mohd Yusoff Mashor, Latifah Munirah Kamarudin, Zeti-Azura Mohamed-Hussein, Zeehaida Mohamed, Wei Chern Ang

    International Journal of Advanced and Applied Sciences   11 ( 6 )   215 - 228   2024.6( ISSN:2313-626X )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.21833/ijaas.2024.06.023

  • 生成AIのこれまでの変遷と展望 Invited Reviewed

    西崎博光

    電子情報通信学会通信ソサイエティマガジン   2024春号 ( 68 )   281 - 284   2024.3

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    Authorship:Lead author   Language:Japanese   Publishing type:(MISC) Introduction and explanation (scientific journal)  

  • Evaluating Tree-based Ensemble Strategies for Imbalanced Network Attack Classification Reviewed

    Hui Fern Soon, Amiza Amir, Hiromitsu Nishizaki, Nik Adilah Hanin Zahri, Latifah Munirah Kamarudin and Saidatul Norlyana Azemi

    International Journal of Advanced Computer Science and Applications   15 ( 1 )   1124 - 1134   2024.1( ISSN:2158-107X )

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.14569/IJACSA.2024.01501111

  • Single-line Text Detection in Multi-line Text with Narrow Spacing for Line-based Character Recognition Reviewed Major achievement

    Chee Siang Leow, Hideaki Yajima, Tomoki Kitagawa and Hiromitsu Nishizaki

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E106-D ( 12 )   2097 - 2106   2023.12( ISSN:0916-8532 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1587/transinf.2023EDP7070

  • Estimation of Non-Invasive Grape Ripeness and Sweetness From Images Captured by a General-Purpose Camera Reviewed Major achievement

    Chee Siang Leow, Ryosuke Shimazu, Tomoki Kitagawa, Hideki Yajima, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki

    Proceedings of the 2023 IEEE International Workshop on Metrology for Agriculture and Forestry   295 - 300   2023.11

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/MetroAgriFor58484.2023.10424087

  • Data Augmentation With Automatically Generated Images for Character Classifier Model Training Reviewed Major achievement

    Chee Siang Leow, Tomoki Kitagawa, Hideaki Yajima, Hiromitsu Nishizaki

    Proceedings of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE 2023)   845 - 849   2023.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE59613.2023.10315447

  • Metric Learning Approach for End-To-End Multilingual Automatic Speech Recognition Model Reviewed Major achievement

    Akihiro Dobashi, Chee Siang Leow, Hiromitsu Nishizaki

    Proceedings of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE 2023)   446 - 450   2023.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE59613.2023.10315608

  • Image Remapping Data Augmentation Approach for Improving Fisheye Face Recognition Reviewed

    Yinghao He, Chee Siang Leow, Hiromitsu Nishizaki

    Proceedings of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE 2023)   742 - 746   2023.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE59613.2023.10315437

  • Supervised segmentation on fusarium macroconidia spore in microscopic images via analytical approaches Reviewed International coauthorship

    Azuddin, K. A. and Junoh, A. K. and Zakaria, A. and Rahman, M. T. A. and Nor, N. M. I. M. and Nishizaki, H. and Latiffah, Z. and Azuddin, N. F. and Abdullah, M. Z. and Terna, T. P.

    MULTIMEDIA TOOLS AND APPLICATIONS   1 - 16   2023.10( ISSN:1380-7501 )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s11042-023-17008-y

  • Supporting table grape berry thinning with deep neural network and augmented reality technologies Reviewed

    Prawit Buayai, Kabin Yok-In, Daisuke Inoue, Hiromitsu Nishizaki, Koji Makino, Xiaoyang Mao

    COMPUTERS AND ELECTRONICS IN AGRICULTURE   213   1 - 11   2023.9( ISSN:0168-1699 )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.compag.2023.108194

  • Design of a competition specifically for spoken dialogue with a humanoid robot Reviewed

    Takashi Minato, Ryuichiro Higashinaka, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai

    ADVANCED ROBOTICS   37 ( 21 )   1349 - 1363   2023.8( ISSN:0169-1864 )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1080/01691864.2023.2249530

  • Automatic Exploration of Optimal Data Processing Operations for Sound Data Augmentation Using Improved Differentiable Automatic Data Augmentation Reviewed Major achievement

    Toki Sugiura, Hiromitsu Nishizaki

    Proceedings of the 24th INTERSPEECH 2023   5411 - 5415   2023.8

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.21437/Interspeech.2023-202

  • A Lightweight End-to-End Speech Recognition System on Embedded Devices Reviewed Major achievement

    Wang Yu, Hiromitsu Nishizaki

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E106-D ( 7 )   1230 - 1239   2023.7( ISSN:1745-1361 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1587/transinf.2022EDP7221

  • Data Normalization Methods of Hybridized Multi-Stage Feature Selection Classification for 5G Base Station Antenna Health Effect Detection Reviewed International coauthorship

    Tasneem Sofri, Hasliza A Rahim, Allan Melvin Andrew, Ping Jack Soh, Latifah Munirah Kamarudin, Hiromitsu Nishizaki

    Journal of Advanced Research in Applied Sciences and Engineering Technology   30 ( 2 )   133 - 140   2023.4( ISSN:2462-1943 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.37934/araset.30.2.133140

  • A new speech corpus of super-elderly Japanese for acoustic modeling Reviewed

    Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Koharu Horii, Yurie Iribe, Kazumasa Yamamoto, Norihide Kitaoka

    COMPUTER SPEECH AND LANGUAGE   77   1 - 12   2023.1( ISSN:0885-2308 )

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.csl.2022.101424

  • Comparative Evaluation of Diverse Features in Fluency Evaluation of Spontaneous Speech Reviewed

    Huaijin DENG, Takehito UTSURO, Akio KOBAYASHI, Hiromitsu NISHIZAKI

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E106-D ( 1 )   36 - 45   2023.1( ISSN:1745-1361  eISSN:1745-1361 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics, Information and Communications Engineers (IEICE)  

    DOI: 10.1587/transinf.2022EDP7047

  • Non-Contact Breathing Signal Classification Using Hybrid Scalogram Image Representation Feature Reviewed

    Muhammad Husaini, Latifah Munirah Kamarudin, Hiromitsu Nishizaki, Intan Kartika Kamarudin, Muhammad Amin Ibrahim, Ammar Zakaria, Masahiro Toyoura, Xioyang Mao

    Proceedings of the 2022 12th International Conference on Advanced Mechatronic Systems (ICAMechS 2022)   53 - 58   2022.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/ICAMechS57222.2022.10003413

  • Low Pass Filtering and Bandwidth Extension for Robust Anti-spoofing Countermeasure Against Codec Variabilities Reviewed

    Yikang Wang, Xingming Wang, Hiromitsu Nishizaki, Ming Li

    Proceedings of the 13th International Symposium on Chinese Spoken Language Processing   438 - 442   2022.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/ISCSLP57327.2022.10038240

  • Dialogue Robot Competition for the Development of an Android Robot with Hospitality Reviewed

    Ryuichiro Higashinaka, Takashi Minato, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai

    Proceedings of the 2022 IEEE 11th Global Conference on Consumer Electronics   364 - 367   2022.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE56475.2022.10014410

  • Automatic Selection of Appropriate Data Augmentation Operation for Acoustic Scene Classification Model Training Reviewed

    Toki Sugiura, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki

    Proceedings of the 2022 IEEE 11th Global Conference on Consumer Electronics   355 - 358   2022.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE56475.2022.10014333

  • Spatial distribution of white-handed gibbon calls in relation to forest vertical components, Malaysia, from a perspective of forest management Reviewed

    Toshinori Okuda, Haruka Matsubara, Toshihiro Yamada, Wei Chuang Chew, Alvin Meng Shin Lau, Jacquoelyne Paska, Hiromitsu Nishizaki, Nur Shifatil Ulya binti Sidek Omar, Mohamed Zakaria

    Global Ecology and Conservation   38   2022.10( ISSN:2351-9894 )

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.gecco.2022.e02245

  • Predictive Analysis of In-Vehicle Air Quality Monitoring System Using Deep Learning Technique Reviewed

    Abdul Syafiq Abdull Sukor, Goh Chew Cheik, Latifah Munirah Kamarudin, Xiaoyang Mao, Hiromitsu Nishizaki, Ammar Zakaria, Syed Muhammad Mamduh Syed Zakaria

    Atmosphere   13 ( 10 )   1 - 16   2022.9( ISSN:2073-4433  eISSN:2073-4433 )

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    In-vehicle air quality monitoring systems have been seen as promising paradigms for monitoring drivers’ conditions while they are driving. This is because some in-vehicle cabins contain pollutants that can cause drowsiness and fatigue to drivers. However, designing an efficient system that can predict in-vehicle air quality has challenges, due to the continuous variation in parameters in cabin environments. This paper presents a new approach, using deep learning techniques that can deal with the varying parameters inside the vehicle environment. In this case, two deep learning models, namely Long-short Term Memory (LSTM) and Gated Recurrent Unit (GRU) are applied to classify and predict the air quality using time-series data collected from the built-in sensor hardware. Both are compared with conventional methods of machine learning models, including Support Vector Regression (SVR) and Multi-layer Perceptron (MLP). The results show that GRU has an excellent prediction performance with the highest coefficient of determination value (R2) of 0.97.

    DOI: 10.3390/atmos13101587

    Scopus

  • Appropriate grape color estimation based on metric learning for judging harvest timing Reviewed Major achievement

    Tatsuyoshi Amemiya, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki

    VISUAL COMPUTER   38 ( 12 )   4083 - 4094   2022.9( ISSN:0178-2789 )

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    DOI: 10.1007/s00371-022-02666-0

  • Non-Contact Breathing Monitoring Using Sleep Breathing Detection Algorithm (SBDA) Based on UWB Radar Sensors Reviewed

    Muhammad Husaini, Latifah Munirah Kamarudin, Ammar Zakaria, Intan Kartika Kamarudin, Muhammad Amin Ibrahim, Hiromitsu Nishizaki, Masahiro Toyoura, and Xiaoyang Mao

    SENSORS   22 ( 14 )   1 - 17   2022.7( ISSN:1424-8220 )

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3390/s22145249

  • 対話型顧客アクターによるシナリオベース接遇訓練システム Reviewed

    古野友也, 王 東皓, 藤田 智, 尾身優治, 大河原一輝, 白鳥和人, 西崎博光, 宇津呂武仁, 星野准一

    芸術科学会論文誌   21 ( 2 )   46 - 54   2022.6( ISSN:1347-2267 )

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  • Peer Collaborative Learning for Polyphonic Sound Event Detection Reviewed Major achievement

    Hayato Endo, Hiromitsu Nishizaki

    Proceedings of the 2022 IEEE International Conference on Acoustics, Speech and Signal Processing   826 - 830   2022.5

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/ICASSP43922.2022.9746878

  • Usability of Instrument for a Farm Product in a Real Farm Reviewed

    Koji Makino, Hiromitsu Nishizaki, Akihiro Usui, Xioyang Mao

    Proceedings of the 2022 IEEE 4th Global Conference on Life Sciences and Technologies   379 - 383   2022.3

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  • 系列データを分析・分類するための深層学習技術

    西崎博光

    化学工業   73 ( 3 )   167 - 173   2022.3

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:(MISC) Introduction and explanation (scientific journal)  

  • End-To-End Speech to Braille Translation in Japanese Reviewed

    Akio Kobayashi, Junji Onishi, Hiromitsu Nishizaki, Norihide Kitaoka

    Proceedings of the 2022 IEEE International Conference on Consumer Electronics   1 - 2   2022.1

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  • 対話型顧客アクターによるマルチモーダル接客訓練VRシステム Reviewed

    古野 友也 藤田 智 王 東皓 尾身 優治 西崎 博光 宇津呂 武仁 星野 准一

    情報処理学会論文誌   63 ( 1 )   231 - 241   2022.1

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.20729/00215733

  • スマートグラスを用いたブドウ収穫支援システム Major achievement

    西崎博光

    日本機械学会関東支部ニュースレター   51   11 - 11   2022.1

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:(MISC) Introduction and explanation (scientific journal)  

  • COMPARISON OF STATIC AND TIME-SEQUENTIAL FEATURES IN AUTOMATIC FLUENCY DETECTION OF SPONTANEOUS SPEECH Reviewed

    Huaijin Deng, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki

    Proceedings of the 24th Conference of the Oriental COCOSDA   158 - 163   2021.11

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  • ExKaldi-RT: A Real-Time Automatic Speech Recognition Extension Toolkit of Kaldi Reviewed Major achievement

    Wang Yu, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki

    Proceedings of the 2021 IEEE 10th Global Conference on Consumer Electronics   346 - 350   2021.10( ISSN:2378-8143 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: GCCE53005.2021.9621992

  • Audio Synthesis-based Data Augmentation Considering Audio Event Class Reviewed Major achievement

    Toki Sugiura, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki

    Proceedings of the 2021 IEEE 10th Global Conference on Consumer Electronics   72 - 76   2021.10( ISSN:2378-8143 )

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: GCCE53005.2021.9621828

  • Corpus Design and Automatic Speech Recognition for Deaf and Hard-Of-Hearing People Reviewed

    Akio Kobayashi, Keiichi Yasu, Hiromitsu Nishizaki, Norihide Kitaoka

    Proceedings of the 2021 IEEE 10th Global Conference on Consumer Electronics   17 - 18   2021.10( ISSN:2378-8143  ISBN:9781665436762 )

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    This study describes automatic speech recognition (ASR) for the deaf and hard-of-hearing people. In the relevant literature, ASR for the deaf has been studied in a manner similar to the recognition of speech by people with dysarthria. However, prior studies have been conducted over a small number of deaf speakers. Therefore, to date, it remains unclear how the performance of ASR varies with different speakers. We conducted phoneme recognition experiments using speech from 12 deaf students to obtain analytical results from the perspective of ASR performance.

    DOI: 10.1109/GCCE53005.2021.9621959

    Scopus

  • Semi-Supervised Learning for Aspect-Based Sentiment Analysis Reviewed

    Hang Zheng, Yoshimi Suzuki, Jianhui Zhang, Fumiyo Fukumoto, Hiromitsu Nishizaki

    Proceedings of the 2021 International Conference on Cyberworlds   209 - 212   2021.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/ACCESS.2020.3031665

  • Development of a Support System for Judging the Appropriate Timing for Grape Harvesting Reviewed Major achievement

    Tatsuyoshi Amemiya, Kodai Akiyama, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, and Hiromitsu Nishizaki

    Proceedings of the 2021 International Conference on Cyberworlds   194 - 200   2021.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/CW52790.2021.00040

  • End-to-End Inflorescence Measurement for Supporting Table Grape Trimming with Augmented Reality Reviewed

    Prawit Buayai, Kabin Yok-In, Daisuke Inoue, Chee Siang Leow, Hiromitsu Nishizaki, Koji Makino and Xiaoyang Mao

    Proceedings of the 2021 International Conference on Cyberworlds   101 - 108   2021.9

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/CW52790.2021.00022

  • Supporting Vine Vegetation Status Observation Using AR Reviewed

    Daisuke Inoue, Prawit Buayai, Hiromitsu Nishizaki, Koji Makino and Xiaoyang Mao

    Proceedings of the 2021 International Conference on Cyberworlds   141 - 150   2021.9

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/CW52790.2021.00033

  • Voice Activity Detection for Live Speech of Baseball Game Based on Tandem Connection with Speech/Noise Separation Model Reviewed Major achievement

    Yuto Nonaka, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, and Hiromitsu Nishizaki

    Proceedings of INTERSPEECH2021   351 - 355   2021.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 0.21437/Interspeech.2021-792

  • Language and Speaker-Independent Feature Transformation for End-to-End Multilingual Speech Recognition Reviewed Major achievement

    Tomoaki Hayakawa, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, and Hiromitsu Nishizaki

    Proceedings of INTERSPEECH2021   2431 - 2435   2021.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:ISCA  

    DOI: 10.21437/Interspeech.2021-390

  • 対話ロボットコンペティションにおける音声対話システム構築 Reviewed

    東中竜一郎,港隆史,境くりま,船山智,西崎博光,長井隆行

    日本音響学会誌   77 ( 8 )   512 - 520   2021.8

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  • Real-Time In-Vehicle Air Quality Monitoring System Using Machine Learning Prediction Algorithm Reviewed

    Chew Cheik Goh, Latifah Munirah Kamarudin, Ammar Zakaria, Hiromitsu Nishizaki, Nuraminah Ramli, Xiaoyang Mao, Syed Muhammad Mamduh Syed Zakaria, Ericson Kanagaraj, Abdul Syafiq Abdull Sukor, Md. Fauzan Elham

    SENSORS   21 ( 15 )   1 - 16   2021.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3390/s21154956

  • 認識の仕組みおよび現状と将来展望 Major achievement

    西崎博光

    月間電機計算   2021.5

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:(MISC) Introduction and explanation (commerce magazine)   Publisher:株式会社電気書院  

  • Evaluation of a Gait Analysis Tool Using PostureEstimation Technology in Clinical Rehabilitation Reviewed

    Kanae Nishizaki, Tatsuki Izumiura, Hiromitsu Nishizaki, Shin’ichi Izumi, and Hitoshi Ikegami

    Proceedings of the 3rd LifeTech   2021.3

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  • Inhalation and Exhalation Detection for Sleep and Awake Activities Using Non-Contact Ultra-Wideband (UWB) Radar Signal Reviewed

    Fatin Fatihah Shamsul Ariffin and Latifah Munirah Kamarudin and Najah Ghazali and Hiromitsu Nishizaki and Ammar Zakaria and Syed Muhammad Mamduh bin Syed Zakaria

        1755 ( 1 )   2021.2( ISSN:1742-6588 )

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/1755/1/012038

  • Classification of Multiple Visual Field Defects using Deep Learning Reviewed

    Masyitah Abu, Nik Adilah Hanin Zahri, Amiza Amir, Muhammad Izham Ismail, Latifah Munirah Kamarudin, Hiromitsu Nishizaki

        1755 ( 1 )   2021.2( ISSN:1742-6588 )

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/1755/1/012014

  • Spoken Dialog Training System for Customer Service Improvement Reviewed

    Yuta Sano, Chee Siang Leow, Soichiro Iida, Takehito Utsuro, Junichi Hoshino, Akio Kobayashi, and Hiromitsu Nishizaki

        403 - 408   2020.12( ISSN:2640-0103 )

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  • Analysis of Bit Sequence Representation for Sound Classification Reviewed

    Yikang Wang, Masaki Okawa, and Hiromitsu Nishizaki

        621 - 626   2020.12( ISSN:2640-0103 )

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  • Development of a Low-Latency and Real-Time Automatic Speech Recognition System Reviewed

    Chee Siang Leow, Tomoaki Hayakawa, Hiromitsu Nishizaki, and Norihde Kitaoka

    Proceedings of the 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)   464 - 467   2020.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE50665.2020.9291818

  • ExKaldi: A Python-Based Extension Tool of Kaldi Reviewed

    Yu Wang, Chee Siang Leow, Hiromitsu Nishizaki, Akio Kobayashi, and Takehito Utsuro

    Proceedings of the 2020 IEEE 9th Global Conference on Consumer Electronics (GCCE 2020)   470 - 473   2020.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/GCCE50665.2020.9291717

  • Sentiment Analysis Using Semi-Supervised Learning with Few Labeled Data Reviewed

    Yuhao Pan, Zhiqun Chen, Yoshimi Suzuki, Fumiyo Fukumoto, Hiromitsu Nishizaki

    Proceedings of the 2020 International Conference on Cyberworlds   231 - 234   2020.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/CW49994.2020.00044

  • Paraphrase Identification with Lexical, Syntactic and Sentential Encodings Reviewed

    Sheng Xu, Xingfa Shen, Fumiyo Fukumoto, Jiyi Li, Yoshimi Suzuki, Hiromitsu Nishizaki

        10 ( 12 )   1 - 18   2020.6( ISSN:2076-3417  eISSN:2076-3417 )

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:MDPI  

    Paraphrase identification has been one of the major topics in Natural Language Processing (NLP). However, how to interpret a diversity of contexts such as lexical and semantic information within a sentence as relevant features is still an open problem. This paper addresses the problem and presents an approach for leveraging contextual features with a neural-based learning model. Our Lexical, Syntactic, and Sentential Encodings (LSSE) learning model incorporates Relational Graph Convolutional Networks (R-GCNs) to make use of different features from local contexts, i.e., word encoding, position encoding, and full dependency structures. By utilizing the hidden states obtained by the R-GCNs as well as lexical and sentential encodings by Bidirectional Encoder Representations from Transformers (BERT), our model learns the contextual similarity between sentences effectively. The experimental results by using the two benchmark datasets, Microsoft Research Paraphrase Corpus (MRPC) and Quora Question Pairs (QQP) show that the improvement compared with the baseline, BERT sentential encodings model, was 1.7% F1-score on MRPC and 1.0% F1-score on QQP. Moreover, we verified that the combination of position encoding and syntactic features contributes to performance improvement.

    DOI: 10.3390/app10124144

  • RSSI-Based for Device-Free Localization Using Deep Learning Technique Reviewed

    Abdul Syafiq Abdull Sukor, Latifah Munirah Kamarudin, Ammar Zakaria, Norasmadi Abdul Rahim, Sukhairi Sudin, Hiromitsu Nishizaki

    Smart Cities   3 ( 2 )   444 - 455   2020.6( ISSN:2624-6511  eISSN:2624-6511 )

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    Device-free localization (DFL) has become a hot topic in the paradigm of the Internet of Things. Traditional localization methods are focused on locating users with attached wearable devices. This involves privacy concerns and physical discomfort especially to users that need to wear and activate those devices daily. DFL makes use of the received signal strength indicator (RSSI) to characterize the user’s location based on their influence on wireless signals. Existing work utilizes statistical features extracted from wireless signals. However, some features may not perform well in different environments. They need to be manually designed for a specific application. Thus, data processing is an important step towards producing robust input data for the classification process. This paper presents experimental procedures using the deep learning approach to automatically learn discriminative features and classify the user’s location. Extensive experiments performed in an indoor laboratory environment demonstrate that the approach can achieve 84.2% accuracy compared to the other basic machine learning algorithms.

    DOI: 10.3390/smartcities3020024

  • Semi-Automatic Construction and Refinement of an Annotated Corpus for a Deep Learning Framework for Emotion Classification Reviewed

    Jiajun Xu, Kyosuke Masuda, Hiromitsu Nishizaki, Fumiyo Fukumoto and Yoshimi Suzuki

        1611 - 1617   2020.5

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  • Automatic Fluency Evaluation of Spontaneous Speech Using Disfluency-Based Features Reviewed

    Huaijin Deng, Youchao Lin, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki, Junichi Hoshino

        9239 - 9243   2020.5( ISSN:0736-7791 )

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/ICASSP40776.2020.9053452,

  • Improving Speech Recognition for the Elderly: A New Corpus of Elderly Japanese Speech and Investigation of Acoustic Modeling for Speech Recognition Reviewed

    Meiko Fukuda, Hiromitsu Nishizaki, Yurie Iribe, Ryota Nishimura and Norihide Kitaoka

        6578 - 6585   2020.5

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    Language:English   Publishing type:Research paper (international conference proceedings)  

  • Integrating Disfluency-based and Prosodic Features with Acoustics in Automatic Fluency Evaluation of Spontaneous Speech and Investigation of Acoustic Modeling for Speech Recognition Reviewed

    Huaijin Deng, Youchao Lin, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki and Junichi Hoshino

        6429 - 6437   2020.5

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  • Classification of a Pincer Nail Using a Recurrent-based Neural Network Reviewed

    Koji Makino, Youichi Ogawa, Zhen Liu, Kazuki Yamada, Hiromitsu Nishizaki, Shinji Shimada, Tatsuyoshi Kawamura, Hidetsugu Terada

    Proceeding of the 2020 IEEE/SICE International Symposium on System Integration (SII)   249 - 252   2020.1

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/SII46433.2020.9025990

  • Scenario-based Customer Service VR Training System with Honorific Exercise Reviewed

    Soichiro Iida, Takehito Utsuro, Hiromitsu Nisizaki and Junichi Hoshino

    Proceedings of the 6th International Conference on Biomedical and Bioinformatics Engineering (ICBBE 2019)   1 - 6   2019.11

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    Language:English   Publishing type:Research paper (international conference proceedings)  

  • A New Corpus of Elderly Japanese Speech for Acoustic Modeling, and a Preliminary Investigation of Dialect-Dependent Speech Recognition Reviewed

    Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Yurie Iribe, Norihide Kitaoka

     Proceedings of the 22nd Conference of the Oriental COCOSDA (International Committee for the Co-ordination and Standardisation of Speech Databases and Assessment Techniques (O-COCOSDA 2019)   1 - 6   2019.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • BERT based Web Mining of Concerns and Reviews for TV Drama Audience

    Kota Kawaguchi, Ryoma Kubo, Takuya Fujita, Tatsuya Maeda, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki, Yasuhide Kawada

    Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence (WI'19)   64 - 71   2019.10

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  • Audio Classification of Bit-Representation Waveform Reviewed Major achievement

    Masaki Okawa, Takuya Saito, Naoki Sawada, Hiromitsu Nishizaki

    Proceedings of the 20th Annual Conference of the International Speech Communication Association (INTERSPEECH2019)   2553 - 2557   2019.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.21437/Interspeech.2019-1855

  • Signal Classification with Deep Learning Invited Reviewed Major achievement

    Hiromitsu Nishizaki, Kohji Makino

    Proceedings of the 2019 IEEE International Conference on Sensors and Nanotechnolog   81 - 84   2019.7

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/SENSORSNANO44414.2019.8940077

  • IV-AQMS: HTTP and MQTT Protocol from a Realistic Testbed Reviewed

    Goh Chew Cheik, Ammar Zakaria, Latifah Munirah Kamarudin, Ericson Kanagaraj, Hiromitsu Nishizaki, Xiaoyang Mao

    Proceedings of the 2019 IEEE International Conference on Sensors and Nanotechnolog   141 - 144   2019.7

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    HTTP and MQTT messaging protocols widely support the Internet of things (IoT) application. These recent years in-vehicle air quality monitoring system has drawn the public's attention. With the assist of the Internet of Things (IoT) technology, the passengers will be updated with real-time in-vehicle air quality through the web page even in a mobile application. The customised system was deployed on 40 shuttle buses, and the data have collected over the year in Universiti Malaysia Perlis (UniMAP). In this study, 11 buses were implemented with HTTP protocol while the rest of the 29 buses were applied with the MQTT protocol. The buses travelled both in town and rural area. The appropriate selection of messaging protocol would enhance and improve network effectiveness. Therefore, this paper will focus on the performance of the popular messaging protocol such as HTTP and MQTT inside static and moving vehicle based on the low-cost GSM/GPRS communication module. The result shows that the travelling speed has no effect on the sending rate for both protocols. The sending rate for MQTT is approximately ten times faster than the HTTP. Hence, the MQTT is more suitable and presented the real-time situation.

    DOI: 10.1109/SENSORSNANO44414.2019.8940094

    Web of Science

  • Classification of Swing Motion of Tennis Using a Recurrent-based Neural Network Reviewed

    Koji Makino, Yudai Kitano, Hiromitsu Nishizaki,

    Proceedings of the 12th IEEE International Conference on Human System Interaction (IEEE HSI 2019)   1 - 4   2019.6

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    DOI: 10.1109/HSI47298.2019.8942630

  • Application of Sequence Input and Output Long Short-Term Memory Neural Networks for Autonomous Gas Source Localization in an Outdoor Environment Reviewed

    Akifumi Yamamoto, Christian Bilgera, Maki Sawano, Haruka Matsukura, Naoki Sawada, Chee-Siang Leow, Hiromitsu Nishizaki, and Hiroshi Ishida

    Proceedings of the 2019 ISOCS/IEEE International Symposium on Olfaction and Electronic Nose (ISOEN)   1 - 3   2019.5

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  • A hybrid approach of knowledge-driven and data-driven reasoning for activity recognition in smart homes Reviewed

    JOURNAL OF INTELLIGENT & FUZZY SYSTEMS   36 ( 5 )   4177 - 4188   2019.5( ISSN:1064-1246 )

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    DOI: 10.3233/JIFS-169976

  • Abnormality Detection Approach using Deep Learning Models in Smart Home Environments Reviewed

    Abdul Syafiq Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin and Hiromitsu Nishizaki,

    Proceedings of the 7th International Conference on Communications and Broadband Networking (ICCBN 2019)    22 - 27   2019.4

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    DOI: 10.1145/3330180.3330185

  • A hybrid approach of knowledge-driven and data-driven reasoning for activity recognition in smart homes

    Abdul Syafiq Abdull Sukor, Ammar ZakariaNorasmadi, Abdul RahimNorasmadi Abdul Rahim, Latifah Munirah Kamarudin, Rossi Setchi, Hiromitsu Nishizaki

    JOURNAL OF INTELLIGENT & FUZZY SYSTEMS   1 - 12   2019.1( ISSN:1064-1246 )

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    DOI: 10.3233/JIFS-169976

  • Construction of a Corpus for Elderly Japanese Speech Recognition Reviewed

    Meiko Fukuda, Hiromitsu Nishizaki, Ryota Nishimura, Yurie Iribe, Norihide Kitaoka

        1 - 2   2018.10

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    © 2018 IEEE. We have constructed a new speech data corpus using the utterances of 144 elderly Japanese people (average age: 81.1), to improve the accuracy of automatic recognition of the speech of old people. For elderly, it is proposed that daily verbal interaction with others help to prevent or restrain progress of dementia. Therefore, developing the nursing robot with sophisticated spoken dialogue system has been expected. However, speech recognition for elderly using standard recognition model is not able to achieve sufficient performance. It is assumed that making the acoustic model of elderly is essential to improve speech recognition for the elderly. Thus, we are continuing to collect more utterances in various parts of Japan, and attempt to construct a new corpus suitable for elderly acoustic features.

    DOI: 10.1109/GCCE.2018.8574795

    Scopus

  • A Task Manual Creation Support System Using Automatic Speech Recognition Reviewed

    Chee Siang Leow, Hiromitsu Nishizaki

        1 - 4   2018.10

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    © 2018 IEEE. This paper proposes an application to support the creation of specific task manual by automatic speech recognition (ASR). In our daily life or work, while we performing some specific tasks like cooking in-house, assemble a computer or making a handcrafted product in a factory, people who are not expert in the specific task, they often need to reference a task manual. To create a specific task manual, the specific task expert has to list up all the procedures or take photos, edits or structure the contents by rearranging the images or texts to create the task manual. However, in such method, it is often that the important information such as tips, trick or specific procedures could lack information or be missing. To minimize this problem, we developed a prototype of a task manual creation support system. The specific task expert can capture the video of the specific task including the explanation speech uttered by the expert with a human eye perspective camera and a directional microphone. The subjective experimental result showed that the usage of ASR helped to create and edit the task descriptions and to improve the efficiency of task manual creation.

    DOI: 10.1109/GCCE.2018.8574796

    Scopus

  • 小型コンピュータにおける深層学習アプリケーションの動作検証 Reviewed Major achievement

    西崎博光,レオ チーシャン,牧野浩二

    電気学会誌   138 ( 9 )   1 - 8   2018.9

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    DOI: 10.1541/ieejeiss.138.1

  • Construction of a Corpus of Elderly Japanese Speech for Analysis and Recognition Reviewed

    Norihide Kitaoka, Yurie Iribe, Hiromitsu Nishizaki

    Proceedings of the special speech sessions in The 11th International Conference on Language Resources and Evaluation (LREC2018)   14 - 20   2018.5

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  • Acoustic modeling with a shared phoneme set for multilingual speech recognition without code-switching Reviewed

    Shogo Hara, Hiromitsu Nishizaki

    Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1617 - 1620   2017.12( ISSN:2309-9402 )

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    DOI: 10.1109/APSIPA.2017.8282284

    Web of Science

  • Usability and Learning Effect Evaluations of an Electrical Note-Taking Support System with Speech Processing Technologies Reviewed Major achievement

    Hiromitsu Nishizaki, Yosuke Narita

    Proceedings of the 25th International Conference on Computers in Education   31 - 39   2017.12

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  • Data augmentation and feature extraction using variational autoencoder for acoustic modeling Reviewed Major achievement

    Hiromitsu Nishizaki

    Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1222 - 1227   2017.12( ISSN:2309-9402 )

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    DOI: 10.1109/APSIPA.2017.8282225

    Web of Science

  • Emotion Classification of Spontaneous Speech Using Spoken Term Detection Reviewed

    Hiromitsu Nishizaki, Kei Watase

    Proceedings of the 2017 IEEE 6th Global Conference on Consumer Electronics (GCCE2017),   2017-   1 - 5   2017.10( ISSN:2378-8143 )

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    This paper proposes an emotion classification method for spoken utterances using a spoken-term detection (STD) method. This is a keyword extraction method using spoken utterances. The extracted keywords are used to decide on the emotion category of an utterance. Most keywords extracted by the STD system are redundant and some of them negatively affect the emotion classification performance. Therefore, we propose a keyword filtering method based on the semantic relationships between keywords. The semantic relationships are calculated based on a word-embedding technique. The emotion classification results show that our proposed method outperformed the classification performance of the baseline system in which STD and keyword filtering were not used.

    DOI: 10.1109/GCCE.2017.8229297

    Web of Science

    Scopus

  • Parallel Hierarchical Attention Networks with Shared Memory Reader for Multi-Stream Conversational Document Classification Reviewed

    Naoki Sawada, Ryo Masumura, Hiromitsu Nishizaki

    Proceedings of the 18h Annual Conference of the International Speech Communication Association (INTERSPEECH 2017)   3311 - 3315   2017.8

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    DOI: 10.21437/Interspeech.2017-269

  • Correct phoneme sequence estimation using recurrent neural network for spoken term detection

    Naoki Sawada, Hiromitsu Nishizaki

    Journal of Acoustical Society of Ameria   140 ( 4 )   3061 - 3061   2016.12

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  • Re-Ranking Approach of Spoken Term Detection using Conditional Random Fields-based Triphone Detection Reviewed Major achievement

    Kentaro Domoto, Takehito Utsuro, Naoki Sawada, Hiromitsu Nishizaki

    IEICE Transactions on Information & Systems   E99-D ( 10 )   2528 - 2538   2016.10( ISSN:1745-1361 )

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    This study presents a two-stage spoken term detection (STD) method that uses the same STD engine twice and a support vector machine (SVM)-based classifier to verify detected terms from the STD engine's output. In a front-end process, the STD engine is used to pre-index target spoken documents from a keyword list built from an automatic speech recognition result. The STD result includes a set of keywords and their detection intervals (positions) in the spoken documents. For keywords having competitive intervals, we rank them based on the STD matching cost and select the one having the longest duration among competitive detections. The selected keywords are registered in the pre-index. They are then used to train an SVM-based classifier. In a query term search process, a query term is searched by the same STD engine, and the output candidates are verified by the SVM-based classifier. Our proposed twostage STD method with pre-indexing was evaluated using the NTCIR-10 SpokenDoc-2 STD task and it drastically outperformed the traditional STD method based on dynamic time warping and a confusion network-based index.

    DOI: 10.1587/transinf.2016SLP0017

    Web of Science

  • Re-Ranking Approach of Spoken Term Detection using Conditional Random Fields-based Triphone Detection Reviewed Major achievement

    Naoki Sawada, Hiromitsu Nishizaki

    IEICE Transactions on Information & Systems   E99-D ( 10 )   2518 - 2527   2016.10( ISSN:1745-1361 )

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    This study proposes a two-pass spoken term detection (STD) method. The first pass uses a phoneme-based dynamic time warping (DTW)-based STD, and the second pass recomputes detection scores produced by the first pass using conditional random fields (CRF)-based triphone detectors. In the second-pass, we treat STD as a sequence labeling problem. We use CRF-based triphone detection models based on features generated from multiple types of phoneme-based transcriptions. The models train recognition error patterns such as phoneme-to-phoneme confusions in the CRF framework. Consequently, the models can detect a triphone comprising a query term with a detection probability. In the experimental evaluation of two types of test collections, the CRF-based approach worked well in the re-ranking process for the DTW-based detections. CRF-based re-ranking showed 2.1% and 2.0% absolute improvements in F-measure for each of the two test collections.

    DOI: 10.1587/transinf.2016SLP0012

    Web of Science

  • Recurrent Neural Network-based Phoneme Sequence Estimation using Multiple ASR Systems' Outputs for Spoken Term Detection Reviewed

    Naoki Sawada, Hiromitsu Nishizaki

    Proceedings of the 17th Annual Conference of the International Speech Communication Association (INTERSPEECH2016)   3688 - 3692   2016.9

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  • Evaluation of DNN-based Phoneme Estimation Approach on the NTCIR-12 SpokenQuery&Doc-2 SQ-STD Subtask

    Naoki Sawada, Hiromitsu Nishizaki

    Proceedings of the 12th NTCIR Conference   211 - 216   2016.6

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  • Overview of the NTCIR-12 SpokenQuery&Doc-2 Task Invited

    Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo and Gareth J. F. Jones

    Proceedings of the 12th NTCIR Conference   167 - 179   2016.6

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  • 聞き耳メモリー:音声認識結果を取捨選択して利用する電子メモ作成支援アプリケーション Reviewed Major achievement

    西崎博光,胡桃澤圭佑,西崎香苗,池上仁志

    電子情報通信学会論文誌   J99-D ( 3 )   358 - 366   2016.3

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  • Score Normalization using Phoneme-based Entropy for Spoken Term Detection Reviewed Major achievement

    Proceedings of the 7th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1 - 7   2015.12

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  • Two-Step Spoken Term Detection using SVM Classifier Trained with Pre-Indexed Keywords based on ASR Result Reviewed

    Proceedings of the 16th Annual Conference of the International Speech Communication Association (INTERSPEECH2015)   834 - 838   2015.9

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  • Spoken Term Detection Using Spoken Document Index Based on Keyword Corrected from Automatic Speech Recognition Result Reviewed

    Kentaro Domoto,Takehito Utsuro,Naoki Sawada,Hiromitsu Nishizaki

    International Journal of Signal Processing Systems   4 ( 4 )   282 - 288   2015.8

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  • Selection of Best Match Keyword Using Spoken Term Detection for Spoken Document Indexing Reviewed

    Proceedings of the 6th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1 - 8   2014.12

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  • Input Support System for Medical Records Created Using a Voice Memo Recorded by a Mobile Device Reviewed Major achievement

    International Journal of Signal Processing Systems   3 ( 2 )   128 - 133   2014.12

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  • Re-Ranking of Spoken Term Detections Using CRF-based Triphone Detection Models Reviewed Major achievement

    Proceedings of the 6th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1 - 4   2014.12

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  • Evaluation of the Usefulness of Spoken Term Detection in an Electronic Note-Taking Support System Reviewed Major achievement

    Proceedings of the 5th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1 - 4   2013.10

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    Language:Japanese  

  • 聞き耳メモリー:音声認識結果を取捨選択して利用する電子メモ作成支援アプリケーション Reviewed Major achievement

    西崎博光,太田晃平,関口芳廣

    電子情報通信学会論文誌   J96-D ( 10 )   2379 - 2389   2013.10

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    Language:Japanese  

  • Entropy-based False Detection Filtering in Spoken Term Detection Tasks Reviewed

    Proceedings of the 5th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference   1 - 7   2013.10

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    Language:Japanese  

  • Spoken Term Detection Using Phoneme Transition Network from Multiple Speech Recognizers' Outputs Reviewed Major achievement

    Journal of Information Processing   21 ( 2 )   176 - 185   2013.4

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  • 音声中の検索語検出のためのテストコレクションの構築と分析 Reviewed

    伊藤慶明,西崎博光,その他8名

    情報処理学会論文誌   54 ( 2 )   471 - 483   2013.2

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  • Introduction of False Detection Control Parameters in Spoken Term Detection Reviewed Major achievement

    Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2012)   2012.12

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  • Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task Reviewed Major achievement

    Journal of Natural Language Processing   19 ( 4 )   329 - 350   2012.12

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  • Development of Note-Taking Support System with Speech Interface Reviewed Major achievement

    Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2012)   2012.12

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  • Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval at the NTCIR-9 SpokenDoc Task Reviewed

    Proceedings of the eighth international conference on Language Resources and Evaluation (LREC '12)   3527 - 3534   2012.5

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  • Utterance Verification Using Garbage Words for a Hospital Appointment System with Speech Interface Reviewed

    Mitsuru Takaoka, ,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 2011 IEEE Automatic Speech Recognition and Undersitanding Workshop   336 - 341   2011.12

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    The accept rate was 42%.

  • 音声ドキュメント内容検索のためのWEBを用いたドキュメント拡張 Reviewed Major achievement

    西崎博光,杉本樹世貴,関口芳廣

    情報処理学会論文誌   52 ( 12 )   3461 - 3470   2011.12

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    Language:Japanese  

  • Effect of Confusion Network Combination on Speech Recognition System for Editing Reviewed

    Satoshi Ishimaru,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 3rd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2012)   2011.10

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    The accept rate was 31%.

  • Evaluation and Advice System for Improving the Manner of Speaking in Lectures Using Features of Filled Pauses Reviewed

    Wataru Naito,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 3rd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2013)   2011.10

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    The accept rate was 31%.

  • WEB Page Collection Using Automatic Document Segmentation for Spoken Document Retrieval Reviewed Major achievement

    Hiromitsu Nishizaki,Kiyotaka Sugimoto,Yoshihiro Sekiguchi

    Proceedings of the 3rd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2011)   2011.10

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    The accept rate was 31%.

  • 使いやすいインタフェースを備えた診療予約業務支援システムの開発 Reviewed

    西崎香苗,倉金理沙,池上仁志,上平拓弥,西崎博光,関口芳廣

    医療情報学   30 ( Suppl. )   1133 - 1134   2011.2

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  • Network-formed Index from Multiple Speech Recognizers' Outputs on Spoken Term Detection Reviewed

    Satoshi Natori,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 2nd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2010) (student symposium)   1 - 1   2010.12

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    The accept rate is 62%.

  • 教員の話し方改善支援システムの開発に向けた講義音声の特徴分析 Reviewed Major achievement

    西崎博光,関口芳廣

    日本教育工学会論文誌   34 ( 3 )   171 - 179   2010.12

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  • Development of Hospital Appointment System with User-friendly Speech Interface Reviewed Major achievement

    Takuya Kamihira,Hiromitsu Nishizaki,Yoshihiro Sekiguchi,Kanae Nishizaki,Risa Kurakane,Hitoshi Ikegami

    Proceedings of the 2nd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2010)   490 - 493   2010.12

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    The accept rate is 62%.

  • Effect of Document Expansion using Web Documents for Spoken Documents Retrieval Reviewed Major achievement

    Kiyotaka Sugimoto,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 2nd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2010)   526 - 529   2010.12

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    The accept rate is 62%.

  • 使いやすいインタフェースを備えた診療予約業務支援システムの開発 Reviewed

    西崎香苗,倉金理沙,池上仁志,上平拓弥,西崎博光,関口芳廣

    医療情報学   30 ( Suppl. )   1133 - 1134   2010.11

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  • 使いやすいユーザインタフェースを備えた患者情報管理システム 「聞き耳メアリー」 Reviewed Major achievement

    西崎博光,上平拓弥,関口芳廣,西崎香苗,倉金理沙,池上仁志

    電子情報通信学会論文誌   J93-D ( 10 )   2129 - 2138   2010.10

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  • Japanese Spoken Term Detection Using Syllable Transition Network Derived from Multiple Speech Recognizers' Outputs Reviewed Major achievement

    Satoshi Natori,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 11th Annual Conference of the International Speech Communication Association   681 - 684   2010.9

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    The accept rate is 56%.

  • Constructing Japanese Test Collections for Spoken Term Detection Reviewed

    Yoshiaki Itoh,Hiromitsu Nishizaki,Xinhui Hu,Hiroaki Nanjo,Tomoyoshi Akiba,Tatsuya Kawahara,Seiichi Nakagawa,Tomoko Matsui,Yoichi Yamashita,Kiyoaki Aikawa

    Proceedings of the 11th Annual Conference of the International Speech Communication Association   677 - 680   2010.9

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    The accept rate is 56%

  • 話題依存言語モデル構築のためのLSAと単語発話情報を用いた語彙推定 Reviewed Major achievement

    藤原裕幸,西崎博光,関口芳廣

    第8回情報科学技術フォーラム講演論文集   2   35 - 42   2009.9

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  • Webによるドキュメント拡張を利用した音声ドキュメント検索 Reviewed Major achievement

    杉本樹世貴,西崎博光,関口芳廣

    第8回情報科学技術フォーラム講演論文集   2   27 - 34   2009.9

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  • Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data Reviewed

    Tomoyoshi Akiba,Kiyoaki Aikawa,Yoshiaki Itoh,Tatsuya Kawahara,Hiroaki Nanjo,Hiromitsu Nishizaki,Norihito Yasuda,Yoichi Yamashita,Katsunobu Itoh

    情報処理学会論文誌   50 ( 2 )   501 - 513   2009.2

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  • 日本語講義音声コンテンツコーパスの作成と分析 Reviewed

    土屋雅稔,小暮悟,西崎博光,太田健吾,山本一公,中川聖一

    情報処理学会論文誌   50 ( 2 )   448 - 459   2009.2

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  • Is a Speech Recognizer Useful for Characteristic Analysis of Classroom Lecture Speech? Reviewed Major achievement

    Kenji Kobayashi,Mitsuhiro Somiya,Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Proceedings of the 9th annual conference of the International Speech Communication Association   1341 - 1344   2008.9

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  • Speech Recognition Performance of CJLC: Corpus of Japanese Lecture Contents Reviewed

    Satoru Kogure,Hiromitsu Nishizaki,Masatoshi Tsuchiya,Kazumasa Yamamoto,Shingo Togashi,Seiichi Nakagawa

    Proceedings of the 9th annual conference of the International Speech Communication Association   1554 - 1557   2008.9

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  • Test Collections for Spoken Document Retrieval from Lecture Audio Data Reviewed

    Tomohiro Akiba,Kiyoaki Aikawa,Yoshiaki Itoh,Tatsuya Kawahara,Hiroaki Nanjyo,Hiromitsu Nishizaki,Norihito Yasuda,Yoichi Yamashita,Katsunobu Itoh

    Proceeding of the 6th edition of the Language Resources and Evaluation Conference   2008.5

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  • Developing Corpus of Japanese Classroom Lecture Speech Contents Reviewed

    Masatoshi Tsuchiya,Satoru Kogure,Hiromitsu Nishizaki,Kengo Ohta,Seiichi Nakagawa

    Proceeding of the 6th edition of the Language Resources and Evaluation Conference   2008.5

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  • The Effect of Filled Pauses in a Lecture Speech on Impressive Evaluation of Listeners Reviewed Major achievement

    Hiromitsu Nishizaki,Mitsuhiro Sohmiya,Kenji Kobayashi,Yoshihiro Sekiguchi

    Proceedings of the 8th Annual Conference of International Speech Communication Association   2673 - 2676   2007.8

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  • Word Error Correction of Continuous Speech Recognition Using WEB Documents for Spoken Document Indexing Reviewed Major achievement

    Hiromitsu Nishizaki,Yoshihiro Sekiguchi

    Lecture Notes in Artificial Intelligence   4285   213 - 221   2006.12

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  • 音声対話機能を備えた音色識別学習支援システム Reviewed

    渡辺裕太,関口芳廣,西崎博光

    情報処理学会論文誌   47 ( 6 )   2006.6

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  • Combining Outputs of Multiple LVCSR Models by Machine Learning Reviewed

    Takehito Utsuro,Yasuhiro Kodama,Tomohiro Watanabe,Hiromitsu Nishizaki,Seiichi Nakagawa

    Systems and Computers in Japan   36 ( 10 )   9 - 15   2005.9

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  • Robust spoken document retrieval methods for misrecognition and out-of-vocabulary keywords Reviewed Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    Systems and Computers in Japan   Vol.35 ( Issue.14 )   44 - 63   2005.3

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  • An Unsupervised Speaker Adaptation Method for Lecture-style Spontaneous Speech Recognition using Multiple Recognition Systems Reviewed Major achievement

    Seiichi Nakagawa,Tomohiro Watanabe,Hiromitsu Nishizaki,Takehito Utsuro

    IEICE Transaction on Information and Systems   Vol.E88-D ( 3 )   463 - 471   2005.3

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    Language:Japanese  

  • Improving Keyword Recognition of Spoken Queries by Combining Multiple Speech Recognizer's Outputs for Speech-driven WEB Retrieval Task Reviewed Major achievement

    Masahiko Matsushita,Hiromitsu Nishizaki,Takehito Utsuro,Seiichi Nakagawa

    IEICE Transaction on Information and Systems   Vol.E88-D ( 3 )   472 - 480   2005.3

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    Language:Japanese  

  • Keyword Recognition and Extraction by Multiple-LVCSRs with 60,000 Words in Speech-driven WEB Retrieval Task Reviewed Major achievement

    Masahiko Matsushita,Hiromitsu Nishizaki,Takehito Utsuro,Seiichi Nakagawa

    8th International Conference on Spoken Language Processing   1625 - 1628   2004.10

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    Language:English  

  • Unsupervised Speaker Adaptation using High Confidence Portion Recognition Results by Multiple Recognition Systems Reviewed

    Tomohiro Watanabe,Hiromitsu Nishizaki,Takehito Utsuro,Seiichi Nakagawa

    8th International Conference on Spoken Language Processing   1989 - 1992   2004.10

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  • 機械学習を用いた複数の大語彙連続音声認識モデルの出力の混合 Reviewed Major achievement

    宇津呂武仁,小玉康広,渡邉友裕,西崎博光,中川聖一

    電子情報通信学会論文誌   J87-D-II ( 7 )   1428 - 1440   2004.7

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    Language:Japanese  

  • An Empirical Study on Multiple LVCSR Model Combination by Machine Learning Reviewed

    Takehito Utsuro,Yasuhiro Kodama,Tomohiro Watanabe,Hiromitsu Nishizaki,Seiichi Nakagawa

    Human Language Technology Conference of the North American Chapter of the Asociation for Computational Linguistics 2004   13 - 16   2004.5

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    Language:English  

  • Estimating High-Confidence Portions Based on Agreement among Outputs of Multiple LVCSR Models Reviewed Major achievement

    Takehito Utsuro,Hiromitsu Nishizaki,Yasuhiro Kodama,Seiichi Nakagawa

    Systems and Computers in Japan   35 ( 7 )   33 - 40   2004.4

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    Language:English  

  • Question Answering for Spoken Documents Using Spoken Queries Reviewed Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    Asian Symposium on Natural Language Processing to Overcome Language Barriers   2004.3

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  • 音声認識誤りと未知語に頑健な音声文書検索手法 Reviewed Major achievement

    西崎博光,中川聖一

    電子情報通信学会論文誌   J86-D-II ( 10 )   1369 - 1381   2003.10

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  • Evaluating Multiple LVCSR model Combination in NTCIR-3 Speech-Driven Web Retrieval Task Reviewed

    Masahiko Matsushita,Hiromitsu Nishizaki,Yasuhiro Kodama,Takehito Utsuro,Seiichi Nakagawa

    8th European Conference on Speech Communication and Technology   1205 - 1208   2003.9

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  • 複数の大語彙連続音声認識モデルの出力の共通部分を用いた高信頼度部分の推定 Reviewed Major achievement

    宇津呂武仁,西崎博光,小玉康広,中川聖一

    電子情報通信学会論文誌   J86-D-II ( 7 )   973 - 987   2003.7

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  • CONFIDENCE OF AGREEMENT AMONG MULTIPLE LVCSR MODELS AND MODEL COMBINATION BY SVM Reviewed

    Takehito Utsuro,Yasuhiro Kodama,Tomohiro Watanabe,Hiromitsu Nishizaki,Seiichi Nakagawa

    2003 IEEE International Conference on Speech , Acoustics, and Signal Processing   16 - 19   2003.4

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  • A Confidence Measure Based on Agreement among Multiple LVCSR Models -- Correlation between Pair of Acoustic Models and Confidence -- Reviewed

    Takehito Utsuro,Tetsuji Harada,Hiromitsu Nishizaki,Seiichi Nakagawa

    7th International Conference on Spoken Language Processing   701 - 704   2002.9

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  • Comparing Isolately Spoken Keywords with Spontaneously Spoken Queries for Japanese Spoken Document Retrieval Reviewed Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    7th International Conference on Spoken Language Processing   1505 - 1508   2002.9

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  • Japanese Spoken Document Retrieval Considering OOV Keywords Using LVCSR System with OOV Detection Processing Reviewed Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    Human Language Technology Conference 2002   144 - 151   2002.3

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  • 音声キーワードによるニュース音声データベースの検索手法 Reviewed Major achievement

    西崎博光,中川聖一

    情報処理学会論文誌   42 ( 12 )   3173 - 3184   2001.12

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    Language:Japanese  

  • Experimental Evaluation on Confidence of Agreement among Multiple Japanese LVCSR Models Reviewed

    Yasuhiro Kodama,Takehito Utsuro, Hiromitsu Nishizaki,Seiichi Nakagawa

    7th European Conference on Speech Communication and Technology   2549 - 2502   2001.9

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  • A System for Retrieving Broadcast News Speech Documents Using Voice Input Keywords and Similarity between Words Reviewed Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    6th International Conference on Spoken Language Processing   1073 - 1076   2000.10

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  • 音声認識用言語モデルのためのタスク適応化と定型表現の利用 Reviewed Major achievement

    中川聖一,赤松裕隆,西崎博光

    自然言語処理   6 ( 2 )   97 - 115   1999.1

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Books and Other Publications

  • 改訂TensorFlow対応版 算数&ラズパイから始めるディープ・ラーニング: CNN/RNN/AE/DQNで画像・音声・データ分析

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版  2023.3   ISBN:4789845206

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    Language:Japanese   Book type:General book, introductory book for general audience

  • たのしくできる深層学習&深層強化学習による電子工作 TensorFlow編

    牧野浩二,西崎博光( Role: Joint Work)

    東京電機大学出版局  2021.6   ISBN:978-4501334406

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    Language:Japanese   Book type:General book, introductory book for general audience

  • TensorFlowによる深層強化学習入門 ―OpenAI Gym+PyBullet によるシミュレーション―

    牧野浩二,西崎博光( Role: Joint Work)

    オーム社  2021.2   ISBN:978-4-2742-2673-1

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    Language:Japanese   Book type:General book, introductory book for general audience

  • TensorFlowによる深層強化学習入門 ―OpenAI Gym+PyBullet によるシミュレーション―

    牧野浩二, 西崎博光( Role: Joint Work)

    オーム社  2021.2 

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    Language:Japanese   Book type:General book, introductory book for general audience

  • たのしくできる深層学習&深層強化学習による電子工作

    牧野浩二,西崎博光( Role: Joint Work)

    東京電機大学出版局  2020.3   ISBN:4501333804

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    Language:Japanese   Book type:General book, introductory book for general audience

  • My人工知能の育て方 第1部第3章My「音」認識人工知能のうまい育て方

    牧野浩二,西崎博光,澤田直樹( Role: Joint Work)

    CQ出版社  2018.12 

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  • Pythonによる深層強化学習入門

    牧野浩二,西崎博光( Role: Joint Work)

    オーム社  2018.8   ISBN:978-4-274-22253-5

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  • 3大人工知能ライブラリ

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版社  2018.3 

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    Total pages:205   Responsible for pages:pp.112-116   Language:Japanese   Book type:General book, introductory book for general audience

  • 算数&ラズパイから始めるディープ・ラーニング

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版社  2018.2 

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    Total pages:206   Language:Japanese   Book type:General book, introductory book for general audience

    ASIN

  • 人工知能アルゴリズム探検隊 第11回番外編 インテル人工知能向け小型コンピュータの実力チェック

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版社  2017.7 

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  • 算数&ラズパイから始める人気AI ディープ・ラーニング

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版社  2017.6 

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  • 3大人工知能ライブラリ+α

    牧野浩二,西崎博光( Role: Joint Work)

    CQ出版社  2017.2 

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  • 使いやすいインターフェースを備えた診療予約業務支援システムの開発と導入を経験して Major achievement

    西崎香苗,倉金理沙,池上仁志,上平拓弥,西崎博光,関口芳廣(-)

    篠原出版新社  2013.7 

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    Total pages:213   Responsible for pages:52-62   Language:Japanese  

  • 「未踏を歩く」 Major achievement

    西崎博光(-)

    技術評論者  2004.3 

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    Total pages:1   Responsible for pages:130-130   Language:Japanese  

  • A Retrieval System of Broadcast News Speech Documents through Keyboard and Voice Major achievement

    Hiromitsu Nishizaki and Seiichi Nakagawa(-)

    Springer  1999.9 

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    Responsible for pages:289-289   Language:English  

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Presentations

  • 画像の色空間を考慮したシャインマスカットブドウの色推定モデル

    雨宮達佳,レオ チーシャン,ブアヤイ プラウィット,牧野浩二,茅 暁陽,西崎博光

    情報処理学会第85回全国大会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 日本語音声認識結果の整形に基づく分かりやすい英語字幕の生成

    堀田慎,堀井こはる,北岡教英,西崎博光

    情報処理学会第85回全国大会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • シャインマスカットを対象としたスマート農業用ロボットのYOLOを用いた移動

    牧野浩二,松本桂汰,孫瀟,石田和義,寺田英嗣,西崎博光,茅暁陽

    第23回公益社団法人計測自動制御学会システムインテグレーション部門講演会  2022.12 

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    Event date: 2022.12

    Language:Japanese   Presentation type:Poster presentation  

  • ディープラーニングの世界へ漕ぎ出そう Invited

    西崎博光

    電子情報通信学会超知性ネットワーキングに関する分野横断型研究会  2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

  • 人工知能技術による異常歩行の検知

    西崎香苗,深澤貴裕,田中博之,池上仁志,西崎博光,出江紳一

    第71回東日本整形災害外科学会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 周波数軸注意機構を用いた特徴変換モデルに基づく複数言語音声認識 Major achievement

    土橋晃弘,レオチーシャン,西崎博光

    日本音響学会2022年春季研究発表会  2022.3 

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Peer Collaborative Learningを用いた音響イベント区間検出 Major achievement

    遠藤颯人,西崎博光

    日本音響学会2022年春季研究発表会  2022.3 

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Peer Collaborative Learningを用いた音響イベント区間検出

    遠藤颯人, 西崎博光

    日本音響学会2022年春季研究発表会  2022.3 

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  • 文字認識モデル訓練のための手書き文字生成 Major achievement

    北川智樹,レオ チーシャン,西崎博光

    情報処理学会第84回全国大会  2022.3 

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • ディープラーニング用教師データ作成のためのシャインマスカット用簡易撮影ブースの開発

    碓井昭博,西崎博光,茅 暁陽,牧野浩二

    第22回計測自動制御学会 システムインテグレーション部門講演会  2021.12 

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    Event date: 2021.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • ぶどうのおいしさAIで“見える化”

    NHK  2021.10 

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    Language:Japanese   Presentation type:Media report,etc.  

  • 読み上げ文を対象としたEnd-to-End音声点訳

    小林彰夫,大西淳児, 西崎博光, 北岡教英

    日本音響学会2021年秋季研究発表会  2021.9 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 超高齢者音声コーパスEARSにおける超高齢者の音響的特徴

    福田芽衣子,西村良太,西崎博光,入部百合絵,山本一公,北岡教英

    日本音響学会2021年秋季研究発表会  2021.9 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Kaldiベースのストリーミング音声認識システムの開発

    レオ チーシャン,王 宇,小林彰夫,宇津呂武仁,西崎博光

    日本音響学会2021年秋季研究発表会  2021.9 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 音響タグ付けのためのイベントクラスを考慮した音響合成に基づくデータ拡張

    杉浦東風,小林彰夫,宇津呂武仁,西崎博光

    日本音響学会2021年秋季研究発表会  2021.9 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Kaldiベースのストリーミング音声認識システムの開発

    レオ チーシャン, 王 宇, 小林彰夫, 宇津呂武仁, 西崎博光

    日本音響学会2021年秋季研究発表会  2021.9 

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  • 深層学習技術の発展と共に歩む音声認識研究 Invited Major achievement

    西崎博光

    電子情報通信学会ネットワークシステム研究会  2021.4 

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    Event date: 2021.4

    Language:Japanese   Presentation type:Oral presentation(invited, special)  

  • 聴覚障害者の音声データの収集と音素認識による評価

    小林彰夫,安啓一,西崎博光,北岡教英

    日本音響学会 2021年春季研究発表会講演論文集  2021.3 

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • 単語分類タスクにおける時間領域特徴量と周波数領域特徴量の組み合わせ

    王禕康,大川正暉,西崎博光

    日本音響学会 2021年春季研究発表会講演論文集  2021.3 

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • 深層強化学習と実装例 Invited

    牧野浩二,西崎博光

    DLLAB強化学習Day2021  2021.1 

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    Event date: 2021.1

    Language:Japanese   Presentation type:Symposium workshop panel(nominated)  

  • 話し方のトレーニングが可能な接客訓練 VR システム

    西尾瞳希,飯田宗一郎 ,佐野祐太,Leow Chee Siang,西崎博光, 宇津呂武仁,星野准一

    コンピュータビジョンとイメージメディア研究会  2021.1 

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    Event date: 2021.1

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • 姿勢推定技術を用いた変形性膝関節症の歩行分析の特徴

    西崎香苗,泉浦樹,西崎博光,安藤恒平,池上仁志

    日本福祉工学会第24回学術講演会  2020.11 

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    Event date: 2020.11

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • 超高齢者音声コーパスEARSの構築と音声認識への利用の予備検討

    福田芽衣子,入部百合絵,西崎博光,山本一公,西村良太,北岡教英

    音声言語情報処理研究会  2020.10 

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Comparison of With/Without Time Sequential Features in Automatic Fluency Detection of Spontaneous Speech

    Huaijin Deng,Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki

    2020.9 

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    Event date: 2020.9

    Language:English   Presentation type:Oral presentation(general)  

  • 音のビット列表現の特徴分析

    大川正暉,王禕康,西崎博光

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • Comparison of With/Without Time Sequential Features in Automatic Fluency Detection of Spontaneous Speech

    Huaijin Deng, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Venue:オンライン  

  • End-to-End複数言語音声認識モデルにおける様々なマルチタスク学習の検討

    早川友瑛,西崎博光,山本一公,小林彰夫,宇津呂武仁

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • CTCを用いた複数の音声認識結果からの高精度な音素列推定

    李暁陽,西崎博光,小林彰夫,宇津呂武仁

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • CTCを用いた複数の音声認識結果からの高精度な音素列推定

    李暁陽, 西崎博光, 小林彰夫, 宇津呂武仁

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:オンライン  

  • End-to-End複数言語音声認識モデルにおける様々なマルチタスク学習の検討

    早川友瑛, 西崎博光, 山本一公, 小林彰夫, 宇津呂武仁

    日本音響学会 2020年秋季研究発表会講演論文集  2020.9 

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    Venue:オンライン  

  • 音波形のビット列表現に基づく音楽・音声分類器の分析

    大川正暉,西崎博光

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 高齢者音声コーパス構築と音声認識への年齢・方言の影響の分析

    福田芽衣子,西崎博光,入部百合絵,西村良太,北岡教英

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 話し言葉の流暢性・非流暢性の識別における特徴量の有効性の分析

    懐瑾,林友超,宇津呂武仁,小林彰夫,西崎博光,星野准一

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 双方向LSTMにおける先読みフレームの効果に関する検討

    小林彰夫,西崎博光,宇津呂武仁

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 接客訓練のための音声対話システムの試作

    佐野祐太,レオチーシャン,飯田宗一郎,西崎博光,星野准一,宇津呂武仁

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • CTCに基づく音素コア区間検出を用いた音声中の検索語検出

    石浦嘉晃,西崎博光,小林彰夫,宇津呂武仁

    日本音響学会2020年春季研究発表会  2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • CTCに基づく音素コア区間検出を用いた音声中の検索語検出

    石浦嘉晃, 西崎博光, 小林彰夫, 宇津呂武仁

    日本音響学会2020年春季研究発表会  2020.3 

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    Language:Japanese   Presentation type:Oral presentation(general)  

  • Development and Evaluation of Kaldi Extension Tools with Python

    Yu Wang, Hiromitsu Nishizaki , Akio Kobayashi , Takehito Utsuro, Chee Siang Leow

    2019.12 

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    Event date: 2019.12

    Language:English   Presentation type:Oral presentation(general)  

  • Speech Recognition-based Evaluation of a Noise Reduction Method in Known-Noise Environment

    Chee Siang Leow , Hiromitsu Nishizaki , Akio Kobayashi , Takehito Utsuro

    2019.12 

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    Event date: 2019.12

    Language:English   Presentation type:Oral presentation(general)  

  • Development and Evaluation of Kaldi Extension Tools with Python

    Yu Wang, Hiromitsu Nishizaki, Akio Kobayashi, Takehito Utsuro, Chee Siang Leow

    音声言語情報処理研究会  2019.12 

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    Language:English   Presentation type:Oral presentation(general)  

  • Speech Recognition-based Evaluation of a Noise Reduction Method in Known-Noise Environment

    Chee Siang Leow, Hiromitsu Nishizaki, Akio Kobayashi, Takehito Utsuro

    音声言語情報処理研究会  2019.12 

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  • データサイエンス基礎セミナー〜ディープラーニングのイロハを学ぶ〜 Major achievement

    西崎博光,牧野浩二

    山梨大学データサイエンス基礎セミナー  2019.11 

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    Event date: 2019.11

    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

  • 深層学習を用いた屋外環境における自動ガス源探索―入力するセンサデータの長さについての検討―

    山本晃史,Christian Bilgera,澤野真樹,松倉悠,澤田直輝,Chee Siang Leow,西崎博光,石田寛

    2019 年電気学会センサ・マイクロマシン部門大会第36回「センサ・マイクロマシンと応用システム」シンポジウム  2019.11 

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    Event date: 2019.11

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 頚髄症患者の静止立維時重心同様特性

    西崎香苗,深澤貴裕,池上仁志,西崎博光,出江紳一

    第54回日本脊椎障害医学会  2019.11 

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    Language:Japanese   Presentation type:Oral presentation(general)  

  • 姿勢推定技術を用いた歩行分析の有用性

    西崎香苗,三宅洋平,松木僚治,武井諒太,鈴村大輔,池上仁志,泉浦 樹,西崎博光,出江紳一

    第61回全日本病院学会  2019.9 

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    Event date: 2019.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 山梨大学、深層学習の実践的な学習を目的とした高等教育向け教材 を株式会社Preferred Networksと共同開発

    2019.9 

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    Event date: 2019.9

    Language:Japanese   Presentation type:Media report,etc.  

  • 【初学者向け】実機で動かす!深層強化学習ワークショップ

    牧野浩二,西崎博光

    ディープラーニングラボ  2019.9 

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    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

  • 既知の工場環境音を用いた深層学習に基づく工作機械雑音除去の検討

    レオ チーシャン,西崎博光

    日本音響学会2019年秋季研究発表会  2019.9  日本音響学会

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    Event date: 2019.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 高齢者音声認識のための音声コーパス構築と方言への適応の効果

    福田芽衣子,西村 良太,西崎博光,入部百合絵,北岡 教英

    日本音響学会2019年秋季研究発表会  2019.9  日本音響学会

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    Event date: 2019.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • BERTを用いたテレビドラマに関する関心動向・感想のウェブマイニング

    川口輝太,久保遼馬,藤田拓也,前田竜冶,宇津呂武仁,小林彰夫,西崎博光,河田容英

    第241回自然言語処理研究会  2019.8 

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    Event date: 2019.8

    Language:Japanese   Presentation type:Oral presentation(general)  

  • BERTを用いたテレビドラマに関する関心動向・感想のウェブマイニング

    川口輝太, 久保遼馬, 藤田拓也, 前田竜冶, 宇津呂武仁, 小林彰夫, 西崎博光, 河田容英

    第241回自然言語処理研究会  2019.8 

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  • Deep Learning for IoT and Smart Industory International conference

    Hiromitsu Nishizaki, Chee Siang Leow

    The Hans-on Workshop for Deep Learning  2019.7 

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    Event date: 2019.7

    Language:English   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

    Venue:Kulim, Malaysia  

  • Deep Learning for IoT and Smart Industory International conference

    Hiromitsu Nishizaki, Chee Siang Leow

    The Hans-on Workshop for Deep Learning  2019.7 

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    Venue:Kulim, Malaysia  

  • 遇訓練のための対話型顧客エージェント設計の基礎検討

    宗一郎,藤田智,王東皓,大河原一輝,西崎博光,宇津呂武仁,星野准一

    言語理解とコミュニケーション研究会  2019.6 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 深層学習を用いた感情分類における教師ラベルの半自動構築 Major achievement

    増田京祐,西崎博光

    言語理解とコミュニケーション研究会  2019.6 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Abnormality Detection Approach using Deep Learning Models in Smart Home Environments International conference

    Abdul Syafiq, Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin, Hiromitsu Nishizaki

    he 7th International Conference on Communications and Broadband Networking  2019.4 

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  • 事前処理不要な深層学習に基づく音楽・音声分類

    大川正暉,澤田直輝,西崎博光

    日本音響学会2019年春季研究発表会  2019.3  日本音響学会

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    Event date: 2019.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:東京都調布市  

  • 複数言語で共通な音素体系の自動獲得

    早川友瑛,西崎博光

    日本音響学会2019年春季研究発表会  2019.3  日本音響学会

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    Event date: 2019.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:東京都調布市  

  • 音波形を直接入力とするニューラルネットワークを用いた音響イベント分類

    澤田直輝,斎藤拓哉,西崎博光

    日本音響学会2019年春季研究発表会  2019.3  日本音響学会

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    Event date: 2019.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:東京都調布市  

  • 音声発話の感情分類における音声認識結果を利用する利点

    西崎博光,斎藤友菜

    日本音響学会2018年秋季研究発表会  2018.9  日本音響学会

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    Event date: 2018.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:大分県大分市  

  • 超高齢者の自然発話音声のための音声認識モデルの検討

    下笠元暉,西崎博光,福田芽衣子,西村良太,北岡教英

    日本音響学会2018年秋季研究発表会  2018.9  日本音響学会

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    Event date: 2018.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:大分県大分市  

  • 複数言語で共通の音素体系の検討とこれを用いた音響モデリング

    早川友瑛,原翔吾,西崎博光

    日本音響学会2018年秋季研究発表会  2018.9  日本音響学会

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    Event date: 2018.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:大分県大分市  

  • 正解音素推定器を用いた音素列からの単語変換器の検討

    澤田直輝,西崎博光

    日本音響学会2018年秋季研究発表会  2018.9  日本音響学会

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    Event date: 2018.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:大分県大分市  

  • 閉眼時に重心動揺が増大する頚髄症患者の姿勢制御の特徴

    深澤貴裕,西崎香苗,西崎博光,池上仁志

    第44回山梨総合医学会  2018.5 

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    Event date: 2018.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:山梨県甲府市  

  • 音声中の検索語検出を用いた発話内容に着目した音声感情分類

    齋藤友菜,澤田直輝,西崎博光

    日本音響学会2018年春季研究発表会  2018.3  日本音響学会

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    Event date: 2018.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:宮代町(埼玉県)  

  • 複数言語を同時に扱える音声認識のための音響モデリングの検討

    原翔吾,西崎博光

    日本音響学会2018年春季研究発表会  2018.3  日本音響学会

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    Event date: 2018.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:宮代町(埼玉県)  

  • ロボットが音楽指導

    山梨日日新聞  2017.11 

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    Event date: 2017.11

    Language:Japanese   Presentation type:Media report,etc.  

  • 複数認識システムの重要度を用いた正解音素推定器に基づく音声中の検索語検出の検討

    澤田直輝,西崎博光

    日本音響学会2017年秋季研究発表会  2017.9  日本音響学会

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    Event date: 2017.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:松山市(愛媛県)  

  • 教師発話から学習した音響特徴を用いた授業音声の発話強調

    高橋徹,南條浩輝,西崎博光

    日本音響学会2017年秋季研究発表会  2017.9  日本音響学会

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    Event date: 2017.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:松山市(愛媛県)  

  • コンタクトセンタ通話分類のための注意機構共有型ネットワーク

    澤田直輝,増村亮,西崎博光

    日本音響学会2017年秋季研究発表会  2017.9  日本音響学会

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    Event date: 2017.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:松山市(愛媛県)  

  • 音声コーデックと変分オートエンコーダを利用した音響モデル学習データの拡張 Major achievement

    西崎博光,南條浩輝,高橋徹

    日本音響学会2017年秋季研究発表会  2017.9  日本音響学会

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    Event date: 2017.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:松山市(愛媛県)  

  • 小型コンピュータにおけるディープラーニングアプリケーションの動作検証 Major achievement

    西崎博光,牧野浩二

    第22回知能メカトロニクスワークショップ,2A4-4  2017.8 

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    Event date: 2017.8

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:甲府市(山梨県)  

  • ディープ・ラーニングのイロハ&夢を語る Invited

    牧野浩二,西崎博光

    Interface8月号オフ会  2017.7 

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    Event date: 2017.7

    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

    Venue:東京  

  • 録音環境に頑健な授業音声認識のための音声コーデックとその活用の検討

    南條浩輝,西崎博光,高橋徹

    情報処理学会 第115回音楽情報科学研究会  2017.6  情報処理学会音楽情報科学研究会

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    Event date: 2017.6

    Language:Japanese   Presentation type:Poster presentation  

    Venue:東京  

  • マルチストリーム音声ドキュメント分類のためのParallel Hierarchical Attention Networkの検討

    澤田直輝,増村亮,西崎博光

    情報処理学会第116回音声言語情報処理研究会  2017.5  情報処理学会音声言語情報処理研究会

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    Event date: 2017.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:大阪  

  • 関連キーワードを使用したリアルタイムキーワードスポッティングの制度向上

    中村卓磨,西崎博光

    日本音響学会2017年春季研究発表会  2017.3  日本音響学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:川崎市  

  • 電子ノート作成支援システムの利用が及ぼす学習効果の検証

    成田陽介,西崎博光

    情報処理学会第79回全国大会  2017.3  情報処理学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:名古屋市  

  • 音声中の検索語検出のための双方向回帰結合ニューラルネットワークを用いた正解音素推定

    澤田直輝,西崎博光

    日本音響学会2017年春季研究発表会  2017.3  日本音響学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:川崎市  

  • 共通音素表現に基づく日英混合音声に対する検索語検出

    原翔吾,西崎博光

    日本音響学会2017年春季研究発表会  2017.3  日本音響学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:川崎市  

  • 音素遷移ネットワークを用いたリアルタイムキーワードスポッティングの検討

    中村卓磨,澤田直輝,西崎博光

    日本音響学会2016年秋研究発表会  2016.9  日本音響学会

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    Event date: 2016.9

    Language:Japanese   Presentation type:Poster presentation  

    Venue:富山市  

  • 人工知能技術の最前線! Invited Major achievement

    西崎博光

    第12回アカデミックサロン  2016.6  山梨大学

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    Event date: 2016.6

    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

    Venue:甲府市  

  • 人工知能はここまで来た! Invited Major achievement

    西崎博光

    平成28年度通常総会 講演会  2016.6  NPO法人山梨情報通信研究所

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    Event date: 2016.6

    Language:Japanese   Presentation type:Public discourse, seminar, tutorial, course, lecture and others  

    Venue:甲府市  

  • 音声中の検索語検出のための回帰結合ニューラルネットワークを用いた正解音素推定

    澤田直輝,西崎博光

    情報処理学会・音声言語情報処理研究会  2016.5  情報処理学会・音声言語情報処理研究会

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    Event date: 2016.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京都目黒区  

  • 講義音声認識のための言語モデル学習ユーザインタフェースの設計

    山田一星,西崎博光

    日本音響学会2016年春季研究発表会講演論文集  2016.3  日本音響学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:横浜桐蔭大学  

  • 初等教育授業音声の利活用のためのアーカイブ技術の基礎的検討

    南條浩輝,高橋徹,西崎博光

    日本音響学会2016年春季研究発表会講演論文集  2016.3  日本音響学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:横浜桐蔭大学  

  • 発話内容に着目した音声の感情分類の試行と分析

    柳瀬恵里,西崎博光

    日本音響学会2016年春季研究発表会講演論文集  2016.3  日本音響学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:横浜桐蔭大学  

  • スポッティングした内容語に着目した音声発話の感情分類"

    柳瀬恵里,西崎博光

    日本音響学会2015年秋季研究発表会講演論文集  2015.9  日本音響学会

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    Event date: 2015.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:会津大学  

  • 認識結果から生成したキーワード集合を用いた分類器による最良照合STD

    堂元健太郎,宇津呂武仁,澤田直輝,西崎博光

    日本音響学会2015年秋季研究発表会講演論文集  2015.9  日本音響学会

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    Event date: 2015.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:会津大学  

  • 音素誤りパターンに基づく音声中の検索語検出の検討

    澤田直輝,西崎博光

    日本音響学会2015年秋季研究発表会講演論文集  2015.9  日本音響学会

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    Event date: 2015.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:会津大学  

  • 音声ドキュメントに対する情報検索の今と共通評価基盤

    西崎博光,秋葉友良

    電子情報通信学会技術報告  2015.8  電子情報通信学会

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    Event date: 2015.8

    Language:Japanese   Presentation type:Oral presentation(invited, special)  

    Venue:岩手県立大学  

  • DNNによる音素誤りパターン学習に基づく音声中の検索語検出

    澤田直輝,西崎博光

    電子情報通信学会技術報告  2015.8  電子情報通信学会

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    Event date: 2015.8

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:岩手県立大学  

  • 初等教育における授業音声の収集と音声認識の基礎的検討

    南條浩輝,西崎博光

    情報処理学会研究報告  2015.5  情報処理学会

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    Event date: 2015.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東北大学  

  • 語の出現頻度と語と語の相関に着目した感情語辞書の自動生成の検討

    柳瀬恵里,西崎博光

    言語処理学会第21回年次大会講演論文集  2015.3  言語処理学会

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    Event date: 2015.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:京都大学  

  • 複数のAndroid端末を用いた議事録作成支援システムの試作

    清水陽平,西崎博光

    日本音響学会2015年春季研究発表会講演論文集  2015.3  日本音響学会

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    Event date: 2015.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:中央大学  

  • 声道断面図と音響スコアを用いた日本語発音練習システムの開発

    Hong Ngo Thi Phuon,西崎博光

    情報処理学会第77回全国大会講演論文集  2015.3  情報処理学会

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    Event date: 2015.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:京都大学  

  • 音声認識結果から生成した補助的キーワード集合を利用する最良照合STD

    堂元健太郎,宇津呂武仁,澤田直輝,西崎博光

    日本音響学会2015年春季研究発表会講演論文集  2015.3  日本音響学会

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    Event date: 2015.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:中央大学  

  • 2つの手法を組み合わせたSTDにおけるクエリの特徴分類別性能調査と考察

    澤田直輝,名取賢,西崎博光

    日本音響学会2015年春季研究発表会講演論文集  2015.3  日本音響学会

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    Event date: 2015.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:中央大学  

  • Overview of the NTCIR-11 SpokenQuery & Doc Task Major achievement

    Proceedings of the 12th NTCIR Conference  2014.12 

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    Event date: 2014.12

    Language:English   Presentation type:Oral presentation(general)  

  • Combination of DTW-based and CRF-based Spoken Term Detection on the NTCIR-11 SpokenQuery&Doc SQ-STD Subtask Major achievement

    Proceedings of the 11th NTCIR Conference  2014.12 

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    Event date: 2014.12

    Language:English   Presentation type:Oral presentation(general)  

  • 携帯端末で録音された音声メモを用いた診療記録作成支援システムの開発

    胡桃澤圭佑,西崎博光,西崎香苗,池上仁志

    日本音響学会2014年秋季研究発表会講演論文集  2014.9  日本音響学会

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    Event date: 2014.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:北海学園大学  

  • 最良照合STDによる音声ドキュメント索引付けの評価および分析

    堂元健太郎,宇津呂武仁,澤田直輝,西崎博光

    日本音響学会2014年秋季研究発表会講演論文集  2014.9  日本音響学会

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    Event date: 2014.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:北海学園大学  

  • 自動生成辞書に基づいたツイート音声の感情判別の検討

    柳瀬恵里,西崎博光,関口芳廣

    電子情報通信学会技術報告  2014.6  電子情報通信学会(NLC研)

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    Event date: 2014.6

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:九州工業大学  

  • 音声言語処理のための要素技術と音声ドキュメント処理への応用 Major achievement

    西崎博光

    電子情報通信学会技術報告  2014.5  電子情報通信学会(EMM研)

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    Event date: 2014.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京理科大学  

  • 音声コミュニケーションを可能とする音声Twitterクライアントシステムの開発

    嶋田浩希,西崎博光,関口芳廣

    情報処理学会第76回全国大会講演論文集  2014.3  情報処理学会

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    Event date: 2014.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京電機大学  

  • STD システムへの音素間距離の導入方法の検討

    澤田直輝,古屋裕斗,名取賢,西崎博光,関口芳廣

    日本音響学会2014年春季研究発表会講演論文集  2014.3  日本音響学会

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    Event date: 2014.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:日本大学・駿河台キャンパス  

  • NTCIR-10 SpokenDoc-2 Spoken Term Detectionタスクの結果と知見 Major achievement

    西崎博光,その他8名

    日本音響学会2013年秋季研究発表会講演論文集  2013.9  日本音響学会

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    Event date: 2013.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 条件付き確率場を用いた音声中の検索語検出の検討 Major achievement

    西崎博光,古屋裕斗,名取賢,関口芳廣

    日本音響学会2013年秋季研究発表会講演論文集  2013.9  日本音響学会

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    Event date: 2013.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • STD and SCR Techniques and Their Evaluations on the NTCIR-10 SpokenDoc-2 Task

    Proceedings of the 10th NTCIR Conference  2013.6 

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    Event date: 2013.6

    Language:English   Presentation type:Oral presentation(general)  

  • 電子ノート作成支援システム上での音声中の検索語検出技術の検証

    米倉千冬,太田晃平,西崎博光,関口芳廣

    日本音響学会2013年春季研究発表会講演論文集  2013.3  日本音響学会

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    Event date: 2013.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工科大学  

  • 使いやすいユーザインタフェースを実現する音声認識技術の活用~実運用に成功した診療予約管理システム「聞き耳メアリ」~ Major achievement

    西崎香苗,倉金理沙,池上仁志,西崎博光,関口芳廣

    日本音響学会2013年春季研究発表会講演論文集  2013.3  日本音響学会

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    Event date: 2013.3

    Language:Japanese   Presentation type:Oral presentation(invited, special)  

    Venue:東京工科大学  

  • マルチメディア情報を利用した電子ノート作成支援システム

    太田晃平,米倉千冬,西崎博光,関口芳廣

    情報処理学会第75回全国大会講演論文集  2013.3  情報処理学会

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    Event date: 2013.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東北大学  

  • 音声中の検索語検出のための音素遷移ネットワークのエントロピー分析

    古屋裕斗,西崎博光,関口芳廣

    第7回音声ドキュメント処理ワークショップ講演論文集  2013.3  情報処理学会 SIG-SLP

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    Event date: 2013.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:名古屋大学  

  • 携帯端末で動作するTwitterクライアントを用いたつぶやき音声データの収集とその利用方法の検討

    嶋田浩希,西崎博光,関口芳廣

    電子情報通信学会技術報告  2012.12  電子情報通信学会

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    Event date: 2012.12

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • 講義で利用できる音声と画像を融合した電子ノート作成支援システムの開発

    太田晃平,西崎博光,関口芳廣

    日本教育工学会研究報告集  2012.10  日本教育工学会

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    Event date: 2012.10

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:岡山大学  

  • 音声インタフェースを備えたTwitterクライアントを用いた音声データの収集

    嶋田浩希,西崎博光,関口芳廣

    日本音響学会2012年秋季研究発表会講演論文集  2012.9  日本音響学会

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    Event date: 2012.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:信州大学  

  • STDのための音素遷移ネットワークのエントロピーによる分析

    古屋裕斗,西崎博光,関口芳廣

    日本音響学会2012年秋季研究発表会講演論文集  2012.9  日本音響学会

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    Event date: 2012.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:信州大学  

  • クラウド時代の新しい音声研究パラダイム

    秋葉友良,その他12名

    情報処理学会研究報告  2012.7  情報処理学会

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    Event date: 2012.7

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:天童温泉  

  • Summary of NTCIR-9 and A Look Forward

    酒井 哲也, 上保 秀夫, 神門 典子, 加藤 恒昭, 相澤 彰子, 秋葉 友良, 後藤 功雄, 木村 文則, 三田村 照子, 西崎 博光, 嶋 秀樹, 吉岡 真治, Shlomo Geva, Ling-XiangTang, Andrew Trotman, Yue Xu

    研究報告デジタルドキュメント(DD)  2012.3 

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    NTCIR (エンティサイル) は国立情報学研究所 (NII) が主催する情報アクセス技術の評価型ワークショップシリーズで,1999 年以来一年半サイクルで開催されている.第 9 回ワークショップ (NTCIR-9) が 2011 年 12 月に終わり,第 10 回 (NTCIR-10) の採択タスクが今年 1 月にアナウンスされたところである.本稿では,NTCIR-9 の簡単な総括を行うとともに,NTCIR-10 の新たな取り組みについて紹介する.NTCIR is a sesquiannual evaluation workshop series on information access which started in 1999 and is run by National Institute of Informatics (NII). The ninth workshop (NTCIR-9) was concluded in December 2011 and the accepted tasks for the tenth workshop (NTCIR-10) have been announced in January 2012. This paper provides a brief summary of NTCIR-9, and introduces some latest developments from NTCIR-10.

  • Summary of NTCIR-9 and A Look Forward

    酒井 哲也, 上保 秀夫, 神門 典子, 加藤 恒昭, 相澤 彰子, 秋葉 友良, 後藤 功雄, 木村 文則, 三田村 照子, 西崎 博光, 嶋 秀樹, 吉岡 真治, Shlomo Geva, Ling-XiangTang, Andrew Trotman, Yue Xu

    研究報告情報基礎とアクセス技術(IFAT)  2012.3 

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    NTCIR (エンティサイル) は国立情報学研究所 (NII) が主催する情報アクセス技術の評価型ワークショップシリーズで,1999 年以来一年半サイクルで開催されている.第 9 回ワークショップ (NTCIR-9) が 2011 年 12 月に終わり,第 10 回 (NTCIR-10) の採択タスクが今年 1 月にアナウンスされたところである.本稿では,NTCIR-9 の簡単な総括を行うとともに,NTCIR-10 の新たな取り組みについて紹介する.NTCIR is a sesquiannual evaluation workshop series on information access which started in 1999 and is run by National Institute of Informatics (NII). The ninth workshop (NTCIR-9) was concluded in December 2011 and the accepted tasks for the tenth workshop (NTCIR-10) have been announced in January 2012. This paper provides a brief summary of NTCIR-9, and introduces some latest developments from NTCIR-10.

  • ドメイン外発話の聞き流し機構に用いる語彙の検討

    高岡充,西崎博光,関口芳廣

    2012年春季研究発表会講演論文集  2012.3  日本音響学会

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    Event date: 2012.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:神奈川大学  

  • 聞き耳インタフェースを備えたメモシステム「聞き耳メモリ」

    太田晃平,西崎博光,関口芳廣

    第74回全国大会講演論文集  2012.3  情報処理学会

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    Event date: 2012.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:名古屋工業大学  

  • ソーシャルメディア「Twitter」を利用した音声データ収集の試み

    嶋田浩希,西崎博光,関口芳廣

    電子情報通信学会技術報告  2012.2  電子情報通信学会NLC研究会

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    Event date: 2012.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:朱鷺メッセ  

  • Spoken Term Detection Using Multiple Speech Recognizers’ Outputs at NTCIR-9 SpokenDoc STD subtask Major achievement

    Hiromitsu Nishizaki,Yuto Furuya,Satoshi Natori,Yoshihiro Sekiguchi

    ?Proceedings of NTCIR-9 Workshop Meeting  2011.12  国立情報学研究所

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    Event date: 2011.12

    Language:English   Presentation type:Oral presentation(general)  

    Venue:学術総合センター  

  • 話し言葉音声認識のためのSTDを利用した語彙推定手法の検討

    藤原裕幸,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 複数音声認識システムを利用したSTDにおける誤検出を抑制した検出方法の検討

    名取賢,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 音声ドキュメント検索における音声ドキュメント分割を利用したWeb収集の効果

    杉本樹世貴,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 音声認識誤りの手動訂正インタフェースにおける自動訂正の効果

    石丸聡,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 話し言葉音声の認識改善のための適切な音声分割手法の検討

    土屋厚郎,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 決定木を利用した講演音声中のフィラーの使い方アドバイスシステムの試作

    内藤航,西崎博光,関口芳廣

    2011年秋季研究発表会講演論文集  2011.3  日本音響学会

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    Event date: 2011.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • NTCIR-9 SpokenDoc: 音声検索語検出と音声ドキュメント検索の評価枠組の設計

    秋葉友良,西崎博光,相川清明,河原達也,松井知子,伊藤慶明,胡新輝,南條浩輝,中川聖一,山下洋一

    情報処理学会技術報告  2010.12  情報処理学会

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    Event date: 2010.12

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:国立オリンピック記念青少年総合センター  

  • NTCIR-9 SpokenDoc: designing an evaluation framework for spoken term detection and spoken document retrieval

    秋葉 友良, 西崎 博光, 相川 清明

    IEICE technical report  2010.12 

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    Language:Japanese  

  • NTCIR-9 SpokenDoc: designing an evaluation framework for spoken term detection and spoken document retrieval

    秋葉 友良, 西崎 博光, 相川 清明

    IEICE technical report  2010.12 

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  • NTCIR-9 SpokenDoc: Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval

    AKIBA TOMOYOSI

    研究報告音声言語情報処理(SLP)  2010.12 

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    情報処理学会音声言語処理研究会 (SIG-SLP) の音声ドキュメント処理ワーキンググループは、音声ドキュメント検索のテストコレクションを構築し公開をしてきた。本稿では、これらのテストコレクションを基に情報検索評価型ワークショップ NTCIR-9 で実施することとなった、音声情報検索タスク "IR for SpokenDocuments (SpokenDoc)" のタスク設計について報告する。The Spoken Document Processing Working Group, which is organized in special interest group of spoken language processing (SIG-SLP), information processing society of Japan, have developed and released the test collections for evaluation of spoken document retrieval. This paper describes about the task design of "IR for Spoken Documents (SpokenDoc)" task, which will be carried out at NTCIR-9, an information retrieval evaluation workshop, based on the test collections.

  • 音声中の検索語検出のための複数の音声認識結果を用いたネットワーク型インデキシング

    名取賢,西崎博光,関口芳廣

    2009年秋季研究発表会講演論文集  2010.9  日本音響学会

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    Event date: 2010.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:関西大学  

  • 短時間発話に頑健な母音部分の音響的特徴を利用した話者分類

    大野忠美,西崎博光,関口芳廣

    2010年秋季研究発表会講演論文集  2010.9  日本音響学会

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    Event date: 2010.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:関西大学  

  • 音声ドキュメント検索における分割したドキュメントを用いるWeb 収集の効果

    杉本樹世貴,西崎博光,関口芳廣

    第9回情報科学技術フォーラム(FIT2010)講演論文集  2010.9 

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    Event date: 2010.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:九州大学  

  • E-013 Effect of Collecting Web Using Segmented Documents on Spoken Document Retrieval

    Sugimoto Kiyotaka, Nishizaki Hiromitsu, Sekiguchi Yoshihiro

    情報科学技術フォーラム講演論文集  2010.8 

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  • 対話ロボットのための話題外発話の聞き流し機構の構築

    高岡 充,上平拓哉,西崎博光,関口芳廣

    電子情報通信学会技術研究報告  2010.7  電子情報通信学会

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    Event date: 2010.7

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東北大学  

  • Spoken Term Detection のための テストコレクション構築とベースライン評価 Major achievement

    西崎博光,胡新輝,南條浩輝,伊藤慶明,秋葉友良,河原達也,中川聖一,松井知子,山下洋一,相川清明

    情報処理学会技術報告  2010.5  情報処理学会

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    Event date: 2010.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • Development of Test Collection for Spoken Term Detection and Its Baseline Evaluation

    NISHIZAKI Hiromitsu, HU Xinhui, NANJO Hiroaki, ITOH Yoshiaki, AKIBA Tomoyosi, KAWAHARA Tatsuya, NAKAGAWA Seiichi, MATSUI Tomoko, YAMASHITA Yoichi, AIKAWA Kiyoaki

    研究報告音声言語情報処理(SLP)  2010.5 

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    Language:Japanese  

    TREC において Spoken Document Retrieval (SDR:音声ドキュメント検索) の Track が 1996 年~2000 年に設定され,2006 年には NIST を中心に Spoken Term Detection (STD:音声検索語検出) タスクが設定され,以降,海外では盛んに SDR,STD に関する研究が行われるようになった.情報処理学会音声言語情報処理研究会 (SIG-SLP) で国内の音声ドキュメント処理研究の推進・活性化を目的として 2006 年に音声ドキュメント処理ワーキンググループを立ち上げ,これまでに SDR 評価用テストコレクションの構築を進めてきた.これに続き 2008 年から STD の評価用テストコレクションの構築を開始し,2009 年 10 月に SIG-SLP において中間報告を行った.本稿ではこれまでに構築してきたテストコレクションについての解説とベースライン評価について述べる.Spoken Document Retrieval (SDR) was dealt with in one of tracks of TREC from 1996 to 2000. NIST supplied a task for Spoken Term Detection (STD) in 2006. Many researchers have been conducted as for SDR and STD after these projects. A working group for spoken document processing of SIG-SLP (Spoken Language Processing) in IPSJ also aimed to activate the researches for spoken document processing, and developed a test collection for SDR so far. The working group started to develop a test collection for STD last year, then, we presented the progress report at the SIG-SLP on Oct. 2009. This paper describes detail of the test collection and its baseline evaluation.

  • Development of Test Collection for Spoken Term Detection and Its Baseline Evaluation

    NISHIZAKI Hiromitsu, HU Xinhui, NANJO Hiroaki, ITOH Yoshiaki, AKIBA Tomoyosi, KAWAHARA Tatsuya, NAKAGAWA Seiichi, MATSUI Tomoko, YAMASHITA Yoichi, AIKAWA Kiyoaki

    研究報告自然言語処理(NL)  2010.5 

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    Language:Japanese  

    TREC において Spoken Document Retrieval (SDR:音声ドキュメント検索) の Track が 1996 年~2000 年に設定され,2006 年には NIST を中心に Spoken Term Detection (STD:音声検索語検出) タスクが設定され,以降,海外では盛んに SDR,STD に関する研究が行われるようになった.情報処理学会音声言語情報処理研究会 (SIG-SLP) で国内の音声ドキュメント処理研究の推進・活性化を目的として 2006 年に音声ドキュメント処理ワーキンググループを立ち上げ,これまでに SDR 評価用テストコレクションの構築を進めてきた.これに続き 2008 年から STD の評価用テストコレクションの構築を開始し,2009 年 10 月に SIG-SLP において中間報告を行った.本稿ではこれまでに構築してきたテストコレクションについての解説とベースライン評価について述べる.Spoken Document Retrieval (SDR) was dealt with in one of tracks of TREC from 1996 to 2000. NIST supplied a task for Spoken Term Detection (STD) in 2006. Many researchers have been conducted as for SDR and STD after these projects. A working group for spoken document processing of SIG-SLP (Spoken Language Processing) in IPSJ also aimed to activate the researches for spoken document processing, and developed a test collection for SDR so far. The working group started to develop a test collection for STD last year, then, we presented the progress report at the SIG-SLP on Oct. 2009. This paper describes detail of the test collection and its baseline evaluation.

  • 講義音声認識精度改善のためのチョーク音除去

    張安,関口芳廣,西崎博光

    創立50周年記念(第72回)全国大会講演論文集  2010.3  情報処理学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京大学  

  • タスクに無関係な発話を聞き流すための言語モデル構築法

    高岡充,上平拓弥,西崎博光,関口芳廣

    創立50周年記念(第72回)全国大会講演論文集  2010.3  情報処理学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京大学  

  • 近傍雑音の除去による遠方発話の強調

    池上拓真,関口芳廣,西崎博光

    創立50周年記念(第72回)全国大会講演論文集  2010.3  情報処理学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京大学  

  • 聞き耳インタフェースを備えた診療予約業務支援システムの開発

    上平拓弥,西崎博光,関口芳廣,西崎香苗,倉金理沙,池上仁志

    2010年春季発表会講演論文集  2010.3  日本音響学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:電気通信大学  

  • 使いやすいユーザインタフェースを備えた診療予約業務支援システム

    上平拓弥,西崎博光,関口芳廣,西崎香苗,倉金理沙,池上仁志

    第73回全国大会講演論文集  2010.3  情報処理学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • 潜在的意味解析を用いた車内発話の話題推定に基づく目的地提案

    矢澤大心,西崎博光,関口芳廣,北岡教英

    第73回全国大会講演論文集  2010.3  情報処理学会

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    Event date: 2010.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • 複数音声認識システムに基づいた音声中の検索語検出手法の検討とCSJテストコレクションでの評価

    名取賢,西崎博光,関口芳廣

    第4回音声ドキュメント処理ワークショップ講演論文集  2010.2 

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    Event date: 2010.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 授業音声字幕化のための学習データ分類に基づく話者依存音響モデル学習

    穂坂圭一,伊藤信義,西崎博光,関口芳廣

    第4回音声ドキュメント処理ワークショップ講演論文集  2010.2 

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    Event date: 2010.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 複数音声認識システムを用いた音声中の検索語検出の検討

    名取賢,西崎博光,関口芳廣

    情報処理学会技術報告  2009.12  情報処理学会

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    Event date: 2009.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 音声中の検索語検出のためのテストコレクション構築 -中間報告-

    伊藤慶明,西崎博光,胡新輝,南條浩輝,秋葉友良,相川清明,河原達也,中川聖一,松井知子,山下洋一

    情報処理学会技術報告  2009.10  情報処理学会

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    Event date: 2009.10

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • Construction and Analysis of Corpus of Japanese Classroom Construction and Analysis of Corpus of Japanese Classroom Lecture Speech ContentsLecture Speech Contents

    Masatoshi Tsuchiya,Satoru Kogure,Hiromitsu Nishizaki,Kazumasa Yamamoto,Seiichi Nakagawa

    Proceedings of the 2009 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2009)  2009.10 

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    Event date: 2009.10

    Language:English   Presentation type:Oral presentation(invited, special)  

  • Developing an SDR test collection from Japanese Lecture Audio Data

    Tomoyosi Akiba,Kiyoaki Aikawa,Yoshiaki Itoh,Tatsuya Kawahara,Hiroaki Nanjo,Hiromitsu Nishizaki,Norihito Yasuda,Yoichi Yamashita,Katunobu Itou

    Proceedings of the 2009 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2009)  2009.10 

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    Event date: 2009.10

    Language:English   Presentation type:Oral presentation(invited, special)  

    Venue:Sapporo  

  • 任意語彙発話音声検索のための複数の認識モデルを利用した音節遷移ネットワークの構築

    名取賢,西崎博光,関口芳廣

    2009年秋季研究発表会講演論文集  2009.9  日本音響学会

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    Event date: 2009.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:日本大学  

  • 音声ドキュメント検索におけるWebページを用いたドキュメント拡張の効果 Major achievement

    杉本樹世貴,西崎博光,関口芳廣

    情報処理学会研究報告,2009-SLP-76  2009.5  情報処理学会

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • 音声認識結果に基づくSVM を用いた講義・講演音声中のフィラー検出の検討 Major achievement

    宗宮充宏,西崎博光,関口芳廣

    2009年春季研究発表会講演論文集  2009.3  日本音響学会

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    Event date: 2009.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:東京工業大学  

  • 音声ドキュメント検索用テストコレクションにおける音節インデックスの効果

    前沢慎吾,杉本樹世貴,西崎博光,関口芳廣

    第71回全国大会講演論文集  2009.3  情報処理学会

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    Event date: 2009.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:立命館大学  

  • 対話音声を対象とした母音の音響的特徴による話者分類

    小林恵太,西崎博光,関口芳廣

    第71回全国大会講演論文集  2009.3  情報処理学会

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    Event date: 2009.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:立命館大学  

  • 講義音声認識のためのLSAを利用した語彙推定手法の検討 Major achievement

    藤原裕幸,西崎博光,関口芳廣

    第3回音声ドキュメント処理ワークショップ講演論文集  2009.2  豊橋技術科学大学

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    Event date: 2009.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 検索対象と類似性の高いWebページを利用した音声ドキュメント検索の検討 Major achievement

    杉本樹世貴,前沢慎吾,西崎博光,関口芳廣

    第3回音声ドキュメント処理ワークショップ講演論文集  2009.2  豊橋技術科学大学

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    Event date: 2009.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • SLP音声ドキュメント処理ワーキンググループ活動報告

    秋葉友良,相川清明,伊藤慶明,河原達也,南條浩輝,西崎博光,安田宜仁,山下洋一,松井知子,胡新輝,中川聖一,伊藤克亘

    情報処理学会研究報告,2008-SLP-74  2008.12  情報処理学会,電子情報通信学会

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    Event date: 2008.12

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • Progress Report of SLP Spoken Document Processing Working Group

    AKIBA Tomoyosi, AIKAWA Kiyoaki, ITOH Yoshiaki, KAWAHARA Tatsuya, NANJO Hiroaki, NISHIZAKI Hiromitsu, YASUDA Norihito, YAMASHITA Yoichi, MATSUI Tomoko, HU Xinhui, NAKAGAWA Seiichi, ITOU Katunobu

    IEICE technical report  2008.12 

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    Language:Japanese  

    The Spoken Document Processing Working Group, which was organized in special interest group of spoken language processing, IPSJ (Information Processing Society of Japan), has been working for three years from April 2006, to promote the research activities about "spoken document processing." This paper describes our activities so far and in future.

  • Progress Report of SLP Spoken Document Processing Working Group

    AKIBA Tomoyosi, AIKAWA Kiyoaki, ITOH Yoshiaki, KAWAHARA Tatsuya, NANJO Hiroaki, NISHIZAKI Hiromitsu, YASUDA Norihito, YAMASHITA Yoichi, MATSUI Tomoko, HU Xinhui, NAKAGAWA Seiichi, ITOU Katunobu

    IPSJ SIG Notes  2008.12 

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    Language:Japanese  

    The Spoken Document Processing Working Group, which was organized in special interest group of spoken language processing, IPSJ (Information Processing Society of Japan), has been working for three years from April 2006, to promote the research activities about "spoken document processing." This paper describes our activities so far and in future.

  • Progress Report of SLP Spoken Document Processing Working Group

    AKIBA Tomoyosi, AIKAWA Kiyoaki, ITOH Yoshiaki, KAWAHARA Tatsuya, NANJO Hiroaki, NISHIZAKI Hiromitsu, YASUDA Norihito, YAMASHITA Yoichi, MATSUI Tomoko, HU Xinhui, NAKAGAWA Seiichi, ITOU Katunobu

    IEICE technical report  2008.12 

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    Language:Japanese  

    The Spoken Document Processing Working Group, which was organized in special interest group of spoken language processing, IPSJ (Information Processing Society of Japan), has been working for three years from April 2006, to promote the research activities about "spoken document processing." This paper describes our activities so far and in future.

  • SLP音声ドキュメント処理ワーキンググループ活動報告 (音声言語情報処理)

    秋葉友良, 相川清明, 伊藤慶明, 河原達也, 南條浩輝, 西崎博光, 安田宜仁, 山下洋一, 松井知子, 胡新輝, 中川聖一, 伊藤克亘

    情報処理学会研究報告,2008-SLP-74  2008.12 

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    Language:Japanese   Presentation type:Oral presentation(general)  

  • 母音中の音響的特徴を利用した自動話者分類の検討

    小林恵太,西崎博光,関口芳廣

    2008年秋季研究発表会講演論文集  2008.9  日本音響学会

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:九州大学  

  • 講義・講演音声を対象としたフィラーの使い方自動評価システム

    宗宮充宏,西崎博光,関口芳廣

    2008年秋季研究発表会講演論文集  2008.9  日本音響学会

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:九州大学  

  • 講義音声を対象とした音声評価と認識率の関係 Major achievement

    小林健司,西崎博光,関口芳廣

    2008年秋季研究発表会講演論文集  2008.9  日本音響学会

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:九州大学  

  • 話し言葉音声中のフィラー検出精度と音声認識率の関連性 Major achievement

    宗宮充宏,西崎博光,関口芳廣

    第7回情報科学技術フォーラム(FIT2008) 講演論文集  2008.9 

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:慶應大学湘南藤沢キャンパス  

  • E-024 Relationship between Performance of Filled Pause Detection and Speech Recognition in Spontaneous Speech

    Somiya Mitsuhiro, Nishizaki Hiromitsu, Sekiguchi Yoshihiro

    情報科学技術フォーラム講演論文集  2008.8 

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    Language:Japanese  

  • 講義音声認識のためのWEB文書を用いた言語モデルの適応化と語彙選択 Major achievement

    徳田翔,西崎博光,関口芳廣

    第2回音声ドキュメント処理ワークショップ講演論文集  2008.3  メディア科学リサーチセンター

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    Event date: 2008.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 講義音声の自動評価のための各種特徴量の調査

    小林健司,宗宮充宏,名取賢,西崎博光,関口芳廣

    第2回音声ドキュメント処理ワークショップ講演論文集  2008.3  メディア科学リサーチセンター

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    Event date: 2008.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 日本語講義音声コンテンツコーパスの構築と講義音声認識手法の検討

    小暮悟,西崎博光,土屋雅稔,富樫慎吾,その他

    第2回音声ドキュメント処理ワークショップ  2008.2  メディア科学リサーチセンター

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    Event date: 2008.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 日本語講義コンテンツコーパスの構築と分析

    小暮悟,西崎博光,山本一公,土屋雅稔,中川聖一

    日本音響学会秋季発表論文集  2007.9  日本音響学会

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    Event date: 2007.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:山梨大学  

  • 講義音声の特徴分析

    小林健司,宗宮充宏,西崎博光,関口芳廣

    日本音響学会秋季講演発表会論文集  2007.9  日本音響学会

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    Event date: 2007.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:山梨大学  

  • 講義音声の分析と評価

    小林健司,宗宮充宏,西崎博光,関口芳廣

    日本音響学会春季講演発表会論文集  2007.3  日本音響学会

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    Event date: 2007.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:芝浦工業大学  

  • ユーザとタスクの特性を考慮した音声対話システムの評価

    鈴木智彦,関口芳廣,西崎博光

    情報処理学会第69回全国大会講演論文集  2007.3  情報処理学会

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    Event date: 2007.3

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:早稲田大学  

  • 講義・講演音声自動評価のための音響・言語的分析 Major achievement

    宗宮充宏,小林健司,西崎博光,関口芳廣

    第1回音声ドキュメント処理ワークショップ講演論文集  2007.2  メディア科学リサーチセンター

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    Event date: 2007.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 音声ドキュメント検索テストコレクションの試作と基本検索性能評価

    秋葉友良,相川清明,伊藤慶明,河原達也,南條浩輝,西崎博光,安田宜仁,山下洋一,伊藤克亘

    音声ドキュメント検索テストコレクションの試作と基本検索性能評価  2007.2  メディア科学リサーチセンター

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    Event date: 2007.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 講義コンテンツの収集・分析および講義音声の認識手法に関する検討

    小暮悟,西崎博光,土屋雅稔,中川聖一

    第1回音声ドキュメント処理ワークショップ講演論文集  2007.2  メディア科学リサーチセンター

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    Event date: 2007.2

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:豊橋技術科学大学  

  • 音声ドキュメント検索評価のためのテストコレクションの試作

    伊藤克亘,秋葉友良,相川清明,伊藤慶明,河原達也,南條浩輝,西崎博光,安田宜仁,山下洋一

    情報処理学会技術報告, 2006-SLP-64  2006.12  情報処理学会

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    Event date: 2006.12

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:名古屋大学  

  • 分散型対話管理による複数話者対話システムの構築

    鈴木智彦,大下義弘,小林恵太,関口芳廣,西崎博光

    第5回情報科学技術フォーラム講演論文集  2006.9 

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    Event date: 2006.9

    Language:Japanese   Presentation type:Oral presentation(general)  

    Venue:福岡大学  

  • G_011 Development of a Dialogue System with Distributed Dialogue Manager for Multi-speaker

    Suzuki Tomohiko, Oshita Yoshihiro, Kobayashi Keita, Sekiguchi Yoshihiro, Nishizaki Hiromitsu

    情報科学技術フォーラム一般講演論文集  2006.8 

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    Language:Japanese  

  • 講演音声評価システムの構築 Major achievement

    藤江毅,西崎博光,関口芳廣

    情報処理学会 第68回全国大会講演論文集  2006.3 

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    Event date: 2006.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 概念ベースを用いたニュース音声のセグメンテーション Major achievement

    黒田雅友,西崎博光,関口芳廣

    情報処理学会 第68回全国大会講演論文集  2006.3 

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    Event date: 2006.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 規則合成音声を基準とした声質変換

    後藤亮太,関口芳廣,西崎博光

    日本音響学会 春期講演発表会論文集  2006.3 

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    Event date: 2006.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 講義音声の分析と評価 Major achievement

    鶴味聖子,西崎博光,関口芳廣

    日本音響学会 春期講演発表会論文集  2006.3 

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    Event date: 2006.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 平叙的な音声を物語調へ変換する試み

    百瀬智則,関口芳廣,西崎博光

    情報処理学会 第68回全国大会講演論文集  2006.3 

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    Event date: 2006.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • WEB上の類似記事を利用した音声文書の認識性能の改善 Major achievement

    伊藤友裕,西崎博光,関口芳廣

    情報処理学会研究報告,2005-SLP-59  2005.12 

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    Event date: 2005.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数話者対話システムのための分散型対話処理

    大下義弘,関口芳廣,西崎博光

    第4回情報科学技術フォーラム講演論文集  2005.9 

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    Event date: 2005.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • G-012 Distributed Dialogue Management for Multi-user Dialogue System

    Oshita Yoshihiro, Sekiguchi Yoshihiro, Nishizaki Hiromitsu

    情報科学技術フォーラム一般講演論文集  2005.8 

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    Language:Japanese  

  • 文間の類似性を用いた国会会議録のトピック別要約の検討 Major achievement

    金丸浩司,西崎博光,関口芳廣

    情報処理学会 第67回全国大会講演論文集  2005.3 

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    Event date: 2005.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 音声文書インデキシングのためのWEB文書を利用した自動誤り訂正 Major achievement

    伊藤友裕,西崎博光,関口芳廣,中川聖一

    第3回情報科学技術フォーラム講演論文集  2004.9 

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    Event date: 2004.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 国会会議録要約文生成のための文間の類似度計算 Major achievement

    金丸浩司,関口芳廣,西崎博光

    第3回情報科学技術フォーラム講演論文集  2004.9 

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    Event date: 2004.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 新生児の泣き声学習支援システム

    渡辺裕太,田中宏和,関口芳廣,西崎博光

    日本音響学会,秋期講演発表会論文集  2004.9 

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    Event date: 2004.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • E-029 Similarity between Sentences for Summarization of the Minutes of the National Diet

    Kanemaru Koji, Sekiguchi Yoshihiro, Nishizaki Hiromitsu

    情報科学技術フォーラム一般講演論文集  2004.8 

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    Language:Japanese  

  • G-002 音声文書インデキシングのためのWEB文書を利用した自動誤り訂正(G.音声・音楽)

    伊藤 友裕, 西崎 博光, 関口 芳廣, 中川 聖一

    情報科学技術フォーラム一般講演論文集  2004.8 

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    Language:Japanese  

    rights: FIT(電子情報通信学会・情報処理学会)推進委員会 rights: 本文データは学協会の許諾に基づきCiNiiから複製したものである relation:isVersionOf: http://ci.nii.ac.jp/naid/110007683853/

  • 音声入力によるWeb検索のためのキーワード認識・抽出法の改善 Major achievement

    松下雅彦,中川聖一,西崎博光,宇津呂武仁

    報処理学会研究報告,2004-SLP-51  2004.5 

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    Event date: 2004.5

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 乳児の泣き声の収集とその分析ツール

    田中宏和,渡辺裕太,関口芳廣,西崎博光,望月初音,西脇美春

    情報処理学会 第66回全国大会講演論文集  2004.3 

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    Event date: 2004.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 乳児の泣き声データベースの試作

    渡辺裕太,田中宏和,西崎博光,関口芳廣,望月初音,西脇美春

    日本音響学会 春期講演発表会論文集  2004.3 

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    Event date: 2004.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の認識システムによる認識結果の高信頼度部分を用いた教師なし話者適応 Major achievement

    渡邉友裕,西崎博光,宇津呂武仁,中川聖一

    第3回話し言葉の科学と工学ワークショップ  2004.2 

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    Event date: 2004.2

    Language:Japanese   Presentation type:Oral presentation(general)  

  • WEB文書を利用した音声認識誤りの訂正方法の検討 Major achievement

    西崎博光,伊藤友裕,関口芳廣,中川聖一

    情報処理学会研究報告,2003-SLP-49-31  2003.12 

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    Event date: 2003.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 講演音声における認識結果の高信頼度部分の抽出とそれを用いた教師なし話者適応 Major achievement

    渡邉友裕,西崎博光,宇津呂武仁,中川聖一

    情報処理学会研究報告,2003-SLP-49-2  2003.12 

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    Event date: 2003.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 音声入力によるWEB検索のためのキーワード認識・抽出法の検討

    松下雅彦,西崎博光,宇津呂武仁,中川聖一

    情報処理学会研究報告,2003-SLP-48  2003.10 

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    Event date: 2003.10

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 機械学習による集合名詞の照応解決

    金丸浩司,深井康治,関口芳廣,鈴木良弥,西崎博光

    第2回情報科学技術フォーラム講演論文集  2003.9 

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    Event date: 2003.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の認識システムの出力の統合法による講演音声の認識 Major achievement

    渡邉友裕,西崎博光,山本一公,北岡教英,宇津呂武仁,中川聖一

    日本音響学会 秋期講演発表会演論文集  2003.9 

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    Event date: 2003.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の話者と対話可能なロボットの試作

    田村雅人,金丸浩司,鈴木良弥,西崎博光,関口芳廣

    第2回情報科学技術フォーラム講演論文集  2003.9 

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    Event date: 2003.9

    Language:Japanese   Presentation type:Oral presentation(general)  

  • ニュース音声を対象とした音声質問応答システムの試作 Major achievement

    西崎博光,中川聖一

    情報処理学会研究報告, 2003-SLP-46  2003.5 

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    Event date: 2003.5

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Evaluating Multiple LVCSR Model Combination in NTCIR-3 Speech-Driven Web Retrieval Task

    MATSUSITA Masahiko, NISHIZAKI Hiromitsu, KODAMA Yasuhiro, UTSURO Takehito, NAKAGAWA Seiichi

    日本音響学会研究発表会講演論文集  2003.3 

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    Language:Japanese  

  • Combining Outputs of Multiple LVCSR Models by SVM

    KODAMA Yasuhiro, WATANABE Tomohiro, UTSURO Takehito, NISHIZAKI Hiromitsu, NAKAGAWA Seiichi

    日本音響学会研究発表会講演論文集  2003.3 

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    Language:Japanese  

  • NTCIR-3音声入力ウェブ検索タスクにおける複数音声認識モデル混合の評価

    松下雅彦,西崎博光,小玉康広,宇津呂武仁,中川聖一

    日本音響学会,春期講演発表会演論文集  2003.3 

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    Event date: 2003.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • SVMを用いた複数の大語彙連続音声認識モデルの出力の混合

    小玉康広,渡邉友裕,宇津呂武仁,西崎博光,中川聖一

    日本音響学会,春期講演発表会演論文集  2003.3 

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    Event date: 2003.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 機械学習を用いた複数の大語彙連続音声認識モデルの出力の混合―旅行会話音声における評価―

    渡邉友裕,山本博史,小窪浩明,菊井玄一郎,西崎博光,小玉康広,宇津呂武仁,中川聖一

    日本音響学会,春期講演発表会演論文集  2003.3 

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    Event date: 2003.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 音声文書検索の性能推定のモデル化とシミュレーションによる検討 Major achievement

    西崎博光,中川聖一

    電子情報通信学会研究技術報告,SP2002-147  2002.12 

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    Event date: 2002.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • Japanese Spoken Document Retrieval Considering OOV keywords Major achievement

    Hiromitsu Nishizaki,Seiichi Nakagawa

    電子情報通信学会技術研究報告,SP2002-35  2002.5 

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    Event date: 2002.5

    Language:English   Presentation type:Oral presentation(general)  

  • 文音声によるクエリーを用いた音声文書検索システムの試作 Major achievement

    西崎博光,中川聖一

    情報処理学会研究報告,2002-SLP-41  2002.5 

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    Event date: 2002.5

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の大語彙連続音声認識モデルの出力の共通部分を用いた信頼度 -- 信頼度を利用した複数モデルの出力の混合 --

    宇津呂武仁,原田哲志,渡邉友裕,西崎博光,中川聖一

    電子情報通信学会研究技術報告,SP2002-22  2002.5 

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    Event date: 2002.5

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の大語彙連続音声認識モデルの出力の共通部分を用いた信頼度 --音響モデル組合せと信頼度の相関 --

    原田哲志,宇津呂武仁,西崎博光,小玉康広,中川聖一

    日本音響学会,春期研究発表会講演論文集  2002.3 

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    Event date: 2002.3

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の大語彙連続音声認識モデルの出力の共通部分を用いた信頼度の性能分析

    宇津呂武仁,西崎博光,原田哲志,小玉康広,中川聖一

    電子情報通信学会研究技術報告,SP2001-128  2002.1 

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    Event date: 2002.1

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 未知語を考慮したニュース音声記事の検索 Major achievement

    西崎博光,中川聖一

    電子情報通信学会技術研究報告,SP2001-112  2001.12 

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    Event date: 2001.12

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 未知語を考慮した音声文書検索の検討 Major achievement

    西崎博光,中川聖一

    日本音響学会,秋期研究発表会講演論文集  2001.10 

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    Event date: 2001.10

    Language:Japanese   Presentation type:Oral presentation(general)  

  • 複数の大語彙連続音声認識モデルの出力の共通部分を用いた信頼度の実験的評価

    小玉康広,宇津呂武仁,西崎博光,中川聖一

    電子情報通信学会技術研究報告,SP2001-34  2001.6 

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    Event date: 2001.6

    Language:Japanese   Presentation type:Oral presentation(general)  

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Industrial Property Rights

  • 色判定システム、色判定方法および、色判定プログラム

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    Application no:   Date applied:2022.4

    Patent/Registration no:日本国特許第706201  Date registered:2022.4 

    Country of applicant:Domestic  

  • 色判定システム、色判定方法および、色判定プログラム

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    Application no:特願2021-146701  Date applied:2021.9

    Country of applicant:Domestic  

  • (まだ非公開ですので名称も非公開)

    西崎博光,澤田直輝

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    Application no:特願2019-020267  Date applied:2019.2

    Country of applicant:Domestic  

  • 電子ノート作成支援装置および電子ノート作成支援装置用プログラム

    西崎博光,太田晃平,関口芳廣

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    Applicant:国立大学法人山梨大学

    Application no:特願2012-236445  Date applied:2012.10

    Country of applicant:Domestic  

Awards

  • Outstanding Paper Awards for On-site Poster Presentation

    2022.4   IEEE   Usability of Instrument for a Farm Product in a Real Farm

    Koji Makino, Hiromitsu Nishizaki, Akihiro Usui, Xioyang Mao

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    Award type:Award from international society, conference, symposium, etc. 

  • SI2021優秀講演賞

    2021.12   ディープラーニング用教師データ作成のためのシャインマスカット用簡易撮影ブースの開発

    碓井昭博,西崎博光,茅 暁陽,牧野浩二

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    Award type:Award from Japanese society, conference, symposium, etc. 

  • SI2021優秀講演賞

    2021.12   ディープラーニング用教師データ作成のためのシャインマスカット用簡易撮影ブースの開発

    碓井昭博, 西崎博光, 茅 暁陽, 牧野浩二

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    Award type:Award from Japanese society, conference, symposium, etc. 

  • 一般社団法人情報処理学会 優秀教材賞

    2021.6  

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    Award type:Award from Japanese society, conference, symposium, etc. 

  • Excellent Paper Award

    2020.10   IEEE Consumer Electronics Society   ExKaldi: A Python-Based Extension Tool of Kaldi

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    Award type:Award from international society, conference, symposium, etc. 

  • Excellent Paper Award

    2020.10   IEEE Consumer Electronics Society   ExKaldi: A Python-Based Extension Tool of Kaldi

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    Award type:Award from international society, conference, symposium, etc. 

  • Excellent Paper Award

    2020.10   IEEE GCCE2020   ExKaldi: A Python-Based Extension Tool of Kaldi

    Yu Wang, Chee Siang Leow, Hiromitsu Nishizaki, Akio Kobayashi, Takehito Utsuro

  • Best Paper Award

    2019.10   A New Corpus of Elderly Japanese Speech for Acoustic Modeling, and a Preliminary Investigation of Dialect-Dependent Speech Recognition

    Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Yurie Iribe, Norihide Kitaoka

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    Award type:Award from international society, conference, symposium, etc. 

  • Best Paper Award

    2019.10  

    Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Yurie Iribe, Norihide Kitaoka

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    Award type:Award from international society, conference, symposium, etc. 

  • Best Paper Award

    2019.4   Abnormality Detection Approach using Deep Learning Models in Smart Home Environments

    Abdul Syafiq Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin and Hiromitsu Nishizaki

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    Award type:Award from international society, conference, symposium, etc. 

  • Best Paper Award

    2019.4  

    Abdul Syafiq, Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin, Hiromitsu Nishizaki

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    Award type:Award from international society, conference, symposium, etc. 

  • Haneda Robotics Lab賞

    2017.11   ソフトバンク株式会社   どれピパ

    山梨AIロボット開発協議会 and YSK e-com

  • Haneda Robotics Lab賞

    2017.11   ソフトバンク株式会社   どれピパ

    山梨AIロボット開発協議会, YSK e-com

  • 学生奨励賞

    2014.3   情報処理学会  

    嶋田浩希

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    音声コミュニケーションを可能とする音声Twitterクライアントシステムの開発

  • 特別表彰

    2013.3   山梨大学  

    西崎博光

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    平成23年度実績に基づく教員の個人評価

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Teaching Experience (On-campus)

  • Advanced Multidiscipline Engineering

    2023Year  Type of subject:Master's (Graduate School)

  • Multimedia Engineering Major achievement

    2023Year

  • Embedded System Programming II Major achievement

    2023Year

  • Computer Networks of Embedded Systems

    2023Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学卒業論文

    2023Year  Type of subject:Professional education (undergraduate)

  • Multimedia Engineering Major achievement

    2022Year  Type of subject:Professional education (undergraduate)

  • 組込みプログラミングII Major achievement

    2021Year  Type of subject:Professional education (undergraduate)

  • Multimedia Engineering Major achievement

    2021Year

  • Embedded System Programming II Major achievement

    2020Year  Type of subject:Professional education (undergraduate)

  • キャリア形成実習2 Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • 情報メカトロニクス工学卒業論文 Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • メカトロニクス工学研究第二A Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学研究第一B Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第二B Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第一B Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • 組込みプログラミングI演習 Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • 情報メカトロニクス工学実習III

    2017Year  Type of subject:Professional education (undergraduate)

  • メカトロニクス工学研究第二A Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学研究第一A Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第二A Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第一A Major achievement

    2017Year  Type of subject:Master's (Graduate School)

  • 科学技術英語 Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • 組込みプログラミングII Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • マルチメディア工学 Major achievement

    2017Year  Type of subject:Professional education (undergraduate)

  • 組込みプログラミングII Major achievement

    2016Year

  • メカトロニクス工学研究第一B

    2016Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第一B

    2016Year  Type of subject:Master's (Graduate School)

  • 意味的マルチメディア特論

    2016Year  Type of subject:Dr. (Graduate School)

  • 情報メカトロニクス工学実験II

    2016Year  Type of subject:Professional education (undergraduate)

  • メカトロニクス工学研究第一A

    2016Year  Type of subject:Master's (Graduate School)

  • メカトロニクス工学演習第一A

    2016Year  Type of subject:Master's (Graduate School)

  • 通信制御ネットワーク特論

    2016Year  Type of subject:Master's (Graduate School)

  • 科学技術英語

    2016Year  Type of subject:Professional education (undergraduate)

  • 情報メカトロニクス工学実験I

    2016Year  Type of subject:Professional education (undergraduate)

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Review of master's and doctoral thesis

  • 2023

    Examiner classification:Second reader

    Master :8people  (Overseas student):5people

    Doctoral :2people  (Overseas student):2people

    Thesis Dr. :0people  (Overseas student):0people

  • 2023

    Examiner classification:Chief examiner

    Master :4people  (Overseas student):1people

    Doctoral :3people  (Overseas student):3people

    Thesis Dr. :0people  (Overseas student):0people

Social Activities

  • 山梨大学における国際交流活動の紹介

    Role(s): Appearance

    FM FUJI  バンピー(山梨大学Radioキャンパス)  2024.1

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    Audience: Junior students, High school students, College students, Graduate students, Teachers, Guardians, General

    Type:TV or radio program

  • AI・データ利活用スペシャリスト養成講座「データサイエンス応用セミナー」

    Role(s): Lecturer

    山梨県  2023.12

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    Audience: General

    Type:Seminar, workshop

  • AI・データ利活用スペシャリスト養成講座「データサイエンス基礎セミナー」

    Role(s): Lecturer

    山梨県  2023.12

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    Audience: General

    Type:Seminar, workshop

  • AI・データ利活用スペシャリスト養成講座「Pythonプログラミング応用」 Major achievement

    Role(s): Lecturer

    2023.11

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    Audience: General

    Type:Seminar, workshop

  • AI・データ利活用スペシャリスト養成講座「Pythonプログラミング基礎」 Major achievement

    Role(s): Lecturer

    2023.11

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    Audience: General

    Type:Seminar, workshop

International Exchange and International Contribution

  • 2023  Type:International, regional exchange, exchange of students and Japanese students

    甲府第一高等学校での高校生と留学生と交流イベントにおいて、本学の留学生を派遣した。

  • 2023  Type:International Contribution

    中国蘇州大学向けの日本語日本文化短期研究プログラムを企画・実施した。日本語・日本語文化体験イベント、様々な国の留学生との合宿などを実施し、国際交流を行った。

Professional Memberships

  • The Japan Society for Artificial Intelligence

    2013.4

  • IEEE

    2011.1

  • 日本教育工学会

    2009.4

  • 日本音響学会

    2000.4

  • 情報処理学会

    2000.4

  • 電子情報通信学会

    2000.4

  • International Speech Communication Association

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Committee Memberships

  • IEEE Consumer Electronics Society   2021 IEEE 10th Global Conference on Consumer Electronics, organized session co-chair  

    2021.4 - 2021.10   

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    Committee type:Society

  • IEEE Consumer Electronics Society   2020 IEEE 9th Global Conference on Consumer Electronics, organized session co-chair  

    2020.4 - 2020.10   

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    Committee type:Society

  • IEEE Consumer Electronics Society   2019 IEEE 8th Global Conference on Consumer Electronics, organized session co-chair  

    2019.4 - 2019.10   

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    Committee type:Society

  • IEEE Consumer Electronics Society   2018 IEEE 7th Global Conference on Consumer Electronics, organized session co-chair  

    2018.4 - 2018.10   

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    Committee type:Society

  • IEEE Consumer Electronics Society   2017 IEEE 6th Global Conference on Consumer Electronics, organized session co-chair  

    2017.4 - 2017.10   

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    Committee type:Society

Media Coverage

  • NHK甲府放送局 ニュース番組「Newsかいドキ」 TV or radio program

    NHK  2021.9