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Japan Broadcasting Corporation (Japan): Tokyo, JP

1987-04 to present | 所長 (放送技術研究所)
Employment
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Toru Imai

Works (50 of 94)

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Insight Interview 今井亨NHK技研所長に聞く テーマと見どころ : NHK技研公開2023

New media
2023-07 | Journal article
URI:

https://cir.nii.ac.jp/crid/1520578141067655680

Contributors: 今井, 亨; 吉井, 勇
Source: Self-asserted source
Toru Imai

基調講演 Future Vision 2030-2040の実現に向けたNHK技研の取り組み

NHK技研R&D
2022 | Journal article
Part of ISSN: 09147535
Contributors: 今井, 亨
Source: Self-asserted source
Toru Imai

講演抄録 放送通信融合へ向けたNHK技研の研究開発の取り組み

電気通信
2022-04 | Journal article
Part of ISSN: 09117601
Contributors: 今井, 亨
Source: Self-asserted source
Toru Imai

誤り傾向を利用した言語モデルによる音声認識

NHK技研R&D
2014-09 | Journal article
Part of ISSN: 09147535
Contributors: 小林, 彰夫; 奥, 貴裕; 今井, 亨
Source: Self-asserted source
Toru Imai

Low-latency speaker diarization based on Bayesian information criterion with multiple phoneme classes

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
2012 | Conference paper
EID:

2-s2.0-84867593241

Part of ISBN: 9781467300469
Part of ISSN: 15206149
Contributors: Oku, T.; Sato, S.; Kobayashi, A.; Homma, S.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
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Multi-objective optimization for semi-supervised discriminative language modeling

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
2012 | Conference paper
EID:

2-s2.0-84867624041

Part of ISBN: 9781467300469
Part of ISSN: 15206149
Contributors: Kobayashi, A.; Oku, T.; Imai, T.; Nakagawa, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Risk-based semi-supervised discriminative language modeling for broadcast transcription

IEICE Transactions on Information and Systems
2012 | Journal article
EID:

2-s2.0-84868237082

Part of ISSN: 17451361 09168532
Contributors: Kobayashi, A.; Oku, T.; Imai, T.; Nakagawa, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
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Speaker adaptation intensively weighted on mis-recognized speech segments

2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012
2012 | Conference paper
EID:

2-s2.0-84874443659

Part of ISBN: 9780615700502
Contributors: Oku, T.; Fujita, Y.; Kobayashi, A.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

マルチ音素クラスのベイズ情報量基準に基づくオンライン話者ダイアライゼーション

電子情報通信学会論文誌. D, 情報・システム = The IEICE transactions on information and systems
2012-09 | Journal article
Part of ISSN: 18804535
Contributors: 奥, 貴裕; 佐藤, 庄衛; 小林, 彰夫
Source: Self-asserted source
Toru Imai

リアルタイム字幕放送のための音声認識

NHK技研R&D
2012-01 | Journal article
Part of ISSN: 09147535
Contributors: 今井, 亨
Source: Self-asserted source
Toru Imai

字幕制作のためのオンライン発話検出と男女並列音声認識

NHK技研R&D
2012-01 | Journal article
Part of ISSN: 09147535
Contributors: 今井, 亨; 佐藤, 庄衛; 本間, 真一
Source: Self-asserted source
Toru Imai

Lattice-based risk minimization training for unsupervised language model adaptation

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH
2011 | Conference paper
EID:

2-s2.0-84865742513

Part of ISSN: 19909772
Contributors: Kobayashi, A.; Oku, T.; Homma, S.; Imai, T.; Nakagawa, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

音声認識によるリアルタイム字幕放送の進展

情報処理学会研究報告
2011 | Journal article
URI:

https://cir.nii.ac.jp/crid/1572261551950021376

Contributors: 今井亨; 奥, 貴裕; 小林, 彰夫
Source: Self-asserted source
Toru Imai

A-19-1 解説放送に向けた台本作成支援ツール試作評価(A-19.福祉情報工学,一般セッション)

電子情報通信学会総合大会講演論文集
2011-02 | Journal article
URI:

https://cir.nii.ac.jp/crid/1572261551924050048

Contributors: 山内, 結子; 加藤, 直人; 今井, 亨; 比留間, 伸行
Source: Self-asserted source
Toru Imai

Information barrier-free broadcast technologies for people with visual and hearing disabilities

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
2010 | Journal article
EID:

2-s2.0-77956294446

Part of ISSN: 13426907
Contributors: Sakai, T.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
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Learning speech variability in discriminative acoustic model adaptation

IEICE Transactions on Information and Systems
2010 | Journal article
EID:

2-s2.0-77956813357

Part of ISSN: 17451361 09168532
Contributors: Sato, S.; Oku, T.; Homma, S.; Kobayashi, A.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
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Learning task-dependent speech variability in discriminative acoustic model adaptation

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
2010 | Conference paper
EID:

2-s2.0-78049409404

Part of ISBN: 9781424442966
Part of ISSN: 15206149
Contributors: Sato, S.; Oku, T.; Homma, S.; Kobayashi, A.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Live closed-captioning with robust speech recognition for a spontaneous-spoken style

APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference
2010 | Conference paper
EID:

2-s2.0-79958156563

Contributors: Homma, S.; Kobayashi, A.; Oku, T.; Sato, S.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

Speech recognition with a seamlessly updated language model for real-time closed-captioning

Proceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010
2010 | Conference paper
EID:

2-s2.0-79959843400

Contributors: Imai, T.; Homma, S.; Kobayashi, A.; Oku, T.; Sato, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

コンテンツ活用のための報道番組自動書き起こしシステム

電子情報通信学会論文誌. D, 情報・システム = The IEICE transactions on information and systems
2010-10 | Journal article
Part of ISSN: 18804535
Contributors: 小林, 彰夫; 奥, 貴裕; 本間, 真一
Source: Self-asserted source
Toru Imai

6-6 コンテンツ検索のための報道番組自動書き起こしシステム(第6部門 メディア処理3)

映像情報メディア学会年次大会講演予稿集
2009 | Conference abstract
Contributors: 彰夫 小林; 貴裕 奥; 真一 本間; 庄衛 佐藤; 亨 今井; 徹 都木
Source: Self-asserted source
Toru Imai via JaLC

Automatic monitoring system for closed captions

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
2009 | Journal article
EID:

2-s2.0-69749105627

Part of ISSN: 13426907
Contributors: Shiina, T.; Narita, N.; Homma, S.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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ダイレクト方式とリスピーク方式の音声認識を併用したリアルタイム字幕制作システム

映像情報メディア学会誌
2009 | Journal article
Contributors: 真一 本間; 彰夫 小林; 貴裕 奥; 庄衛 佐藤; 亨 今井; 徹 都木
Source: Self-asserted source
Toru Imai via JaLC
grade
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招待講演 リアルタイム字幕放送のための音声認識

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報
2009-10 | Journal article
Part of ISSN: 09135685
Contributors: 今井, 亨
Source: Self-asserted source
Toru Imai

Bi-spectral acoustic features for robust speech recognition

IEICE Transactions on Information and Systems
2008 | Journal article
EID:

2-s2.0-68149159827

Part of ISSN: 17451361 09168532
Contributors: Onoe, K.; Sato, S.; Homma, S.; Kobayashi, A.; Imai, T.; Takagi, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Discriminative rescoring based on minimization of word errors for transcribing broadcast news

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH
2008 | Conference paper
EID:

2-s2.0-84867217163

Part of ISSN: 19909772
Contributors: Kobayashi, A.; Oku, T.; Homma, S.; Sato, S.; Imai, T.; Takagi, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

Mutual information based dynamic integration of multiple feature streams for robust real-time LVCSR

IEICE Transactions on Information and Systems
2008 | Conference paper
EID:

2-s2.0-68249112698

Part of ISSN: 17451361 09168532
Contributors: Sato, S.; Kobayashi, A.; Onoe, K.; Homma, S.; Imai, T.; Takagi, T.; Kobayashi, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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New real-time closed-captioning system for japanese broadcast news programs

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2008 | Conference paper
EID:

2-s2.0-50249156989

Part of ISSN: 03029743 16113349
Contributors: Homma, S.; Kobayashi, A.; Oku, T.; Sato, S.; Imai, T.; Takagi, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

リアルタイム字幕制作のためのモデル自動更新に対応した音声認識

音講論集, Sep. 2008
2008 | Journal article
URI:

https://cir.nii.ac.jp/crid/1573387450691435008

Contributors: 今井亨
Source: Self-asserted source
Toru Imai

放送・教育における音声を利用した障害者支援

電子情報通信学会誌 = The journal of the Institute of Electronics, Information and Communication Engineers
2008-12 | Journal article
Part of ISSN: 09135693
Contributors: 今井, 亨; 宮本, 晃太郎
Source: Self-asserted source
Toru Imai

放送における情報バリアフリーのための研究開発--生字幕制作のための音声認識

放送技術
2008-08 | Journal article
Part of ISSN: 02878658
Contributors: 今井, 亨
Source: Self-asserted source
Toru Imai

放送用リアルタイム字幕制作のための音声認識技術の改善

音声ドキュメント処理ワークショップ講演論文集
2008-02 | Journal article
URI:

https://cir.nii.ac.jp/crid/1520853834800188288

Contributors: 今井, 亨; 小林, 彰夫; 佐藤, 庄衛
Source: Self-asserted source
Toru Imai

11-2 番組音声とリスピーク音声の自動認識を利用したニュース字幕制作実験(第11部門 放送現業)

映像情報メディア学会年次大会講演予稿集
2007 | Journal article
Part of ISSN: 1343-1846
Contributors: 本間, 真一; 尾上, 和穂; 小林, 彰夫; 佐藤, 庄衛; 今井, 亨; 都木, 徹
Source: Self-asserted source
Toru Imai
grade
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2-3 字幕自動監視装置の試作(第2部門 放送技術(放送現業))

映像情報メディア学会冬季大会講演予稿集
2007 | Conference abstract
Contributors: 努 椎名; 長人 成田; 真一 本間; 亨 今井
Source: Self-asserted source
Toru Imai via JaLC

Dynamic Integration of Multiple Feature Streams for Robust Real-Time LVCSR

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH
2007 | Journal article
Contributors: Sato, Shoei; Onoe, Kazuo; Kobayashi, Kio; Homma, Shinich; Imai, Toru; Takagi, Tohru; Kobayashi, Tetsunori
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Online speech detection and dual-gender speech recognition for captioning broadcast news

IEICE Transactions on Information and Systems
2007 | Journal article
EID:

2-s2.0-66249088739

Part of ISSN: 17451361 09168532
Contributors: Imai, T.; Sato, S.; Homma, S.; Onoe, K.; Kobayashi, A.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Word error rate minimization using an integrated confidence measure

IEICE Transactions on Information and Systems
2007 | Journal article
EID:

2-s2.0-68249144814

Part of ISSN: 17451361 09168532
Contributors: Kobayashi, A.; Onoe, K.; Homma, S.; Sato, S.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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音声認識を利用した情報保障-放送 講演の字幕制作の取り組み-

音響論集, March 2007
2007 | Journal article
URI:

https://cir.nii.ac.jp/crid/1570854175700759552

Contributors: 今井亨
Source: Self-asserted source
Toru Imai

10-2 番組音声とリスピーク音声の認識を併用した生字幕制作の検討(第10部門 放送現業)

映像情報メディア学会年次大会講演予稿集
2006 | Conference abstract
Contributors: 亨 今井; 和徳 尾上; 真一 本間; 庄衛 佐藤; 彰夫 小林
Source: Self-asserted source
Toru Imai via JaLC

Online speech detection and dual-gender speech recognition for captioning broadcast news

INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP
2006 | Conference paper
EID:

2-s2.0-44949231296

Part of ISBN: 9781604234497
Contributors: Imai, T.; Sato, S.; Kobayashi, A.; Onoe, K.; Homma, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

Robust speech recognition by using compensated acoustic scores

IEICE Transactions on Information and Systems
2006 | Conference paper
EID:

2-s2.0-33645790342

Part of ISSN: 17451361 09168532
Contributors: Sato, S.; Onoe, K.; Kobayashi, A.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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累積音素尤度によるオンライン発話検出と男女音声認識

信学総大, 2006
2006 | Journal article
URI:

https://cir.nii.ac.jp/crid/1573950401998747264

Contributors: 今井亨; 佐藤, 庄衛; 小林, 彰夫; 尾上, 和穂; 本間, 真一
Source: Self-asserted source
Toru Imai

11-3 メタデータ制作・活用システムの試作(第11部門 放送現業)

映像情報メディア学会年次大会講演予稿集
2005 | Conference abstract
Contributors: 英樹 住吉; 雅規 佐野; 一郎 山田; 淳 松井; サイモン クリピングデル; 伸行 八木; 貴裕 望月; 俊彦 三須; 亨 今井; 庄衛 佐藤 et al.
Source: Self-asserted source
Toru Imai via JaLC

9-1 メタデータ生成のための音声認識の改善(第9部門 メディア認識と評価I)

映像情報メディア学会年次大会講演予稿集
2005 | Conference abstract
Contributors: 庄衛 佐藤; 彰夫 小林; 和穂 尾上; 一郎 山田; 雅規 佐野; 亨 今井
Source: Self-asserted source
Toru Imai via JaLC

Acoustic model adaptation by selective training using two-stage clustering

Electronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi)
2005 | Journal article
EID:

2-s2.0-9744260938

Part of ISSN: 10420967
Contributors: Sato, S.; Segi, H.; Onoe, K.; Miyasaka, E.; Isono, H.; Imai, T.; Ando, A.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Word error rate minimization using an integrated confidence measure

9th European Conference on Speech Communication and Technology
2005 | Conference paper
EID:

2-s2.0-33745202056

Contributors: Kobayashi, A.; Onoe, K.; Sato, S.; Imai, T.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

放送における音声認識の取り組みと課題

NHK技研R&D
2005-01 | Journal article
Part of ISSN: 09147535
Contributors: 今井, 亨; 伊藤, 崇之
Source: Self-asserted source
Toru Imai

Operated information barrier-free technologies

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
2004 | Journal article
EID:

2-s2.0-9944241212

Part of ISSN: 13426907
Contributors: Imai, T.; Takagi, T.; Akita, S.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
grade
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Filter bank subtraction for robust speech recognition

IEICE Transactions on Information and Systems
2003 | Journal article
EID:

2-s2.0-0038381707

Part of ISSN: 09168532
Contributors: Onoe, K.; Segi, H.; Kobayakawa, T.; Sato, S.; Homma, S.; Imai, T.; Ando, A.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier

Progressive early decision of speech recognition results by comparing most likely word sequences

Systems and Computers in Japan
2003 | Journal article
EID:

2-s2.0-0242489555

Part of ISSN: 08821666
Contributors: Imai, T.; Tanaka, H.; Ando, A.; Isono, H.
Source: Self-asserted source
Toru Imai via Scopus - Elsevier
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