論文 - 小坂 哲夫
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Simultaneous Adaptation of Acoustic and Language Models for Emotional Speech Recognition Using Tweet Data,IEICE Trans. Information ans Systems,E107-D(3) 363-373,2024年03月
Tetsuo Kosaka, Kazuya Saeki, Yoshitaka Aizawa, Masaharu Kato, Takashi Nose
共著(国内のみ)
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Speech emotion recognition by late fusion of linguistic and acoustic features using deep learning models,Proc. of APSIPA ASC 2023,1013-1018,2023年11月
Kiyohide Sato, Keita Kishi, Tetsuo Kosaka
共著(国内のみ)
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Frequency resolution improvement by sub-bins and an inverse matrix in discrete Fourier transform,Applied optics,62(25) 6614-6624,2023年08月
Manabu Sato, Shunta Nakabayashi, Ryusei Ito, Junpei Masuta, Tetsuo Kosaka
共著(国内のみ)
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Emotion recognition combininb acoustic and linguistic features based on speech recognition results,Proc. of 2021 IEEE 10th Global Conference on Consumer Electronics,889-892,2021年10月
Misaki Sakurai, Tetsuo Kosaka
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Improvement of frequency resolution using a sub-bin structure in the discrete Fourier transform,Applied optics,60(21) 6290-6301,2021年07月
Manabu Sato, Yuuki Kimura, Junpei Masuta, Tetsuo Kosaka, Izumi Nishidate
共著(国内のみ)
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Language Model Adaptation for Emotional Speech Recognition using Tweet Data,Proc. of APSIPA ASC 2020,371-375,2020年12月
Kazuya Saeki, Masaharu Kato, Tetsuo Kosaka
共著(国内のみ)
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Performance Improvement of Prosody-Controlled Voice Conversion by Language Model Adaptation,Proc. of 2019 IEEE 8th Global Conference on Consumer Electronics,854-856,2019年10月
Kazuya Saeki, Masaharu Kato, Tetsuo Kosaka
共著(国内のみ)
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Investigation of Acoustic Models for Emotion Recognition Using a Spontaneous Speech Corpus,Proc. of 23nd International Congress on Acoustics,0300,2019年09月
Tetsuo Kosaka, Yuka Haneda, Daisuke Makabe, Masaharu Kato,
共著(国内のみ)
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Acoustic Model Adaptation for Emotional Speech Recognition Using Twitter-Based Emotional Speech Corpus,Proc. of APSIPA ASC 2018,1747-1751,2018年11月
Tetsuo Kosaka, Yoshitaka Aizawa, Masaharu Kato, Takashi Nose
共著(国内のみ)
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Improving Voice Activity Detection for Multimodal Movie Dialogue Corpus,Proc. of 2018 IEEE 7th Global Conference on Consumer Electronics,453-456,2018年10月
Tetsuo Kosaka, Ikumi Suga, Masashi Inoue
共著(国内のみ)
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ディープニューラルネットワークを用いた教師なしクロス適応による音声認識,電子情報通信学会論文誌,J101-D(8) 1190-1199,2018年08月
冨田建斗,高木瑛,加藤正治,小坂哲夫
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Multimodal Spoken Dialog System Using State Estimation by Body Motion,Proc. of 2017 IEEE 6th Global Conference on Consumer Electronics,348-351,2017年10月
Takeru Koseki, Tetsuo Kosaka
共著(国内のみ)
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Many-to-many voice conversion using hidden Markov model-based speech recognition and synthesis,5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan,2016年12月
Y. Aizawa, M. Kato and T. Kosaka
共著(国内のみ)
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Voice activity detection in movies using multi-class deep neural networks,5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan,2016年12月
I. Suga, R. Yasuhara, M. Inoue and T. Kosaka
共著(国内のみ)
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Large-scale multimodal movie dialogue corpus,Proc. of the 18th ACM International Conference on Multimodal Interaction,414-415,2016年11月
Ryu Yasuhara, Masashi Inoue, Ikumi Suga and Tetsuo Kosaka
共著(国内のみ)
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Voice Conversion of emotional speech using hidden Markov model-based speech recognition and synthesis,Proc. of 22nd International Congress on Acoustics,0300,2016年09月
Tetsuo Kosaka, Yoshiaki Nakagawa and Masaharu Kato
共著(国内のみ)
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Deep Neural Network-Based Speech Recognition with Combination of Speaker-Class Models,Proc. of APSIPA ASC 2015,SP2-2.3,2015年12月
Tetsuo Kosaka, Kazuki Konno, Masaharu Kato
共著(国内のみ)
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Unsupervised cross-adaptation using language model and deep learning based acoustic model adaptations,Proc. of APSIPA ASC 2014,WA-P-16,2014年12月
Akira Takagi, Kazuki Konno, Masaharu Kato and Tetsuo Kosaka
共著(国内のみ)
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Elements of difficulty level in Mathematics,International Conference on Software EngineeriProc. of Artificial Intelligence, Networking and Parallel/Distributed Computing ,85-97,2014年06月
Taku Jiromaru, Tetsuo Kosaka, Tokuro Matsuo
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話者クラス音響モデル及び単語グラフ統合を用いた音声認識,電子情報通信学会論文誌,J96-D(11) 2795-2803,2013年11月
小坂哲夫,伊藤貴,加藤正治 ,好田正紀
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Speech recognition with large-scale speaker-class-based acoustic modeling,Proc. of APSIPA ASC 2013, OS.28-SLA.9,2013年10月
Kazuki Konno, Masaharu Kato and Tetsuo Kosaka
共著(国内のみ)
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An investigation of vowel substitution rules in the automatic evaluation system of English pronunciation,Proc. of Meetings on Acoustics ,2013年06月
Kei Sato, Masaharu Kato and Tetsuo Kosaka
共著(国内のみ)
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A time-synchronous histogram equalization for noise robust speech recognition,Proc. of Meetings on Acoustics,2013年06月
Fumiya Takahashi, Masaharu Kato and Tetsuo Kosaka
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識別学習を用いた離散混合分布HMMによる音声認識,情報処理学会論文誌,54(2) 436-442,2013年02月
小坂哲夫,加藤正治
共著(国内のみ)
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Unsupervised Cross-Adaptation Approach for Speech Recognition by Combined Language Model and Acoustic Model Adaptation,Proc. of APSIPA ASC 2011,2011年10月
Tetsuo Kosaka, Taro Miyamoto, Masaharu Kato
共著(国内のみ)
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Speaker Vector-Based Verification by Phonetic Class-Based Modeling,Journal of Information Assurance and Security,6(3) 186-194,2011年03月
Tetsuo Kosaka, Naoki Tadokoro, Masaharu Kato, Masaki Kohda
共著(国内のみ)
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Lecture Speech Recognition Using Discrete-Mixture HMMs,IEEJ Transactions on Electrical and Electronic Engineering,6(1) 23-29,2011年01月
Tetsuo Kosaka, Akiyoshi Yamamoto, Takuya Kumakura, Masaharu Kato, Masaki Kohda
共著(国内のみ)
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Unsupervised Speaker Adaptation Using Speaker-Class Models for Lecture Speech Recognition,IEICE Transactions on Information and Systems,E93-D(9) 2363-2369,2010年09月
Tetsuo Kosaka, Yuui Takeda, Takashi Ito, Masaharu Kato, Masaki Kohda
共著(国内のみ)
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Lecture Speech Recognition by Combining Word Graphs of Various Acoustic Models,Proc. of Interspeech 2010,2978-2981,2010年09月
Tetsuo Kosaka, Keisuke Goto, Takashi Ito and Masaharu Kato
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Speaker Adaptation Based on System Combination Using Speaker-Class Models,Proc. of Interspeech 2010,546-549,2010年09月
Tetsuo Kosaka, Takashi Ito, Masaharu Kato, Masaki Kohda
共著(国内のみ)
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Performance Improvement in Automatic Evaluation System of English Pronunciation by Using Various Normalization Methods,Proc. of ICA2010,#257,2010年08月
Masaru Kusumi, Masaharu Kato, Tetsuo Kosaka, Itaru Matsunaga
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Speech Recognition in Noise by Using Word Graph Combinations,Proc. of ICA2010,#341,2010年08月
Shunsuke Kuramata, Masaharu Kato, Tetsuo Kosaka
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An Algorithm for Fast Calculation of Back-off N-gram Probabilities with Unigram Rescaling,IAENG International Journal of Computer Science,36(4) 284-288,2009年11月
Masaharu Kato, Tetsuo Kosaka, Akinori Ito and Shozo Makino
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Noisy Speech Recognition by using Output Combination of Discrete-Mixture HMMs and Continuous-Mixture HMMs,Proc. of Interspeech 2009,2379-2382,2009年09月
Tetsuo Kosaka, You Saito and Masaharu Kato
共著(国内のみ)
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An Improvement of Speaker Vector-Based Speaker Verification,Proc. of International Conference on Information Assurance and Security,721-724,2009年08月
Naoki Tadokoro, Tetsuo Kosaka, Masaharu Kato and Masaki Kohda
共著(国内のみ)
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Fast and Robust Training of a Probabilistic Latent Semantic Analysis Model by the Parallel Learning and Data Segmentation,Journal of Communication and Computer,6(5) 28-35,2009年05月
Masaharu Kato, Tetsuo Kosaka, Akinori Ito and Shozo Makino
共著(国内のみ)
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Dictation of Japanese speech based on Kana and Kanji character string,International Journal of Computer Processing of Languages,22(1) 75-98,2009年03月
AKINORI ITO, HIROAKI KINNO, MASAHARU KATOH, TETSUO KOSAKA and MASAKI KOHDA
共著(国内のみ)
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An Investigation on Speaker Vector-based Speaker Identification under Noisy Conditions,Proc. of International Conference on Audio, Language and Image Processing 2008,1430-1435,2008年07月
Yuki Goto, Tatsuya Akatsu, Masaharu Katoh, Tetsuo Kosaka and Masaki Kohda
共著(国内のみ)
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Histogram Equalization for Noise-Robust Speech Recognition Using Discrete-Mixture HMMs,Acoustical Science and Technology,29(1) 66-73,2008年01月
Tetsuo Kosaka, Masaharu Katoh, Masaki Kohda
共著(国内のみ)
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音素モデルを用いた話者ベクトルに基づく話者識別,電子情報通信学会論文誌,J90-D(12) 3201-3209,2007年12月
小坂哲夫,赤津達也,加藤正治,好田正紀
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Spontaneous Speech Recognition using Discrete-Mixture HMMs,Proc. of ICA2007,CAS-03-034,2007年09月
Tetsuo Kosaka, Masaharu Katoh and Masaki Kohda
共著(国内のみ)
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発音変形依存モデルを用いた講演音声認識,電子情報通信学会論文誌,J89-D(2) 305-313,2006年02月
堤怜介,加藤正治,小坂哲夫,好田正紀
共著(国内のみ)
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Robust Speech Recognition Using Discrete-Mixture HMMs,IEICE Transactions on Information and Systems,E88-D(12) 2811-2818,2005年12月
T. Kosaka, M. Katoh and M. Kohda
共著(国内のみ)
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Robust Speech Recognition under Non-Stationary Noise Using Discrete-Mixture HMMs,Proc. of NCSP05,347-350,2005年03月
T.Kosaka, M.Katoh, M.Kohda
共著(国内のみ)
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Noisy Speech Recognition with Discrete-Mixture HMMs Based on MAP Estimation,Proc. of ICA2004,(2) 1691-1694,2004年04月
Tetsuo Kosaka, Masaharu Katoh and Masaki Kohda
共著(国内のみ)
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Instantaneous Environment Adaptation Techniques Based on Fast PMC and MAP-CMS Methods,Proc. of ICASSP98,789-792,1998年05月
T.Kosaka, H.Yamamoto, M.Yamada, Y.Komori
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最大事後確率推定法と適応データ量に応じた平滑化手法を用いた話者適応,電子情報通信学会論文誌D-II,J81-D-II(3) 465-471,1998年03月
外村政啓,小坂哲夫,松永昭一
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Fast Parallel Model Combination Noise Adaptation Processing,Proc. of Eurospeech97,1523-1526,1997年09月
Yasuhiro Komori, Tetsuo Kosaka, Hiroki, Yamamoto, Masayuki Yamada
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Fast Algorithm for Speech Recognition Using Speaker Cluster HMM,Proc. of Eurospeech97,2043-2046,1997年09月
Masayuki Yamada, Yasuhiro Komori, Tetsuo Kosaka, Hiroki Yamamoto
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Speaker Adaptation for Context-Dependent HMM Using Spatial Relation of Both Phoneme Context Hierarchy and Speakers,Proc. of Eurospeech97,2039-2042,1997年09月
Yasuhiro Komori, Tetsuo Kosaka, Masayuki Yamada, Hiroki Yamamoto
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Fast Speech Recognition Algorithm Under Noisy Environment Using Modified CMS-PMC and Improved IDMM+SQ,Proc. of ICASSP97,847-850,1997年04月
H.Yamamoto, T.Kosaka, M.yamada, Y.Komori, M.Fujita
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パラメータのスカラ量子化と混合分布HMMの次元独立演算による高速ゆう度計算,電子情報通信学会論文誌D-II,J79-D-II(12) 2104-2109,1996年12月
山田雅章,山本寛樹,小坂哲夫,小森康弘,大洞恭則
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Independent Calculation of Power Parameters on PMC Method,Proc. of ICASSP96, pp. 41-44,1996年05月
H.Yamamoto, M.Yamada, T.Kosaka, Y.Komori, Y.Ohora
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Fast Output Probability Computation Using Scalar Quantization and Independent Dimension Multi-Mixture,Proc. of ICASSP96,893-896,1996年05月
M.Yamada, H.Yamamoto, T.Kosaka, Y.Komori, Y.Ohora
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Speaker Adaptation Based on Transfer Vector Field Smoothing Using Maximum a Posteriori Probability Estimation,Computer Speech and Language,10(2) 117-132,1996年04月
Masahiro Tonomura, Tetsuo Kosaka, Shoichi Matsunaga
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話者クラスタリング手法を用いた不特定話者音素HMM作成法,電子情報通信学会論文誌D-II,J79-D-II(3) 313-321,1996年03月
小坂 哲夫, 松永 昭一, 倉岡 幹雄
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Speaker-independent speech recognition based on tree-structured speaker clustering,Computer Speech and Language,10(1) 55-74,1996年01月
Tetsuo Kosaka, Shoichi Matsunaga, Shigeki Sagayama
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Speaking-Style and Speaker Adaptation for the Recognition of Spontaneous Dialogue Speech,Proc. of Eurospeech95,1135-1138,1995年09月
Shoichi Matsunaga, Tetsuo Kosaka, Tohru Simizu
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Speaker Adaptation Fitting Training Data Size and Contents,Proc. of Eurospeech95,1147-1150,1995年09月
Masahiro Tonomura, Tetsuo Kosaka, Shoichi Matsunaga, Yumi Wakita, Akito Monden
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Automatic Determination of the Number of Mixture Components for Continuous HMMs Based on a Uniform Variance Criterion,IEICE Tansactions Inf. And Syst.,E78-D(6) 642-647,1995年06月
Tetsuo Kosaka, Shigeki Sagayama
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Speaker-Independent Phone Modeling Based on Speaker-Dependent HMMs' Composition and Clustering,Proc. of ICASSP95,441-444,1995年04月
Tetsuo Kosaka, Shoichi Matsunaga, Mikio Kuraoka
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Speaker Adaptation Based on Transfer Vector Field Smoothing Using Maximum a Posteriori Probability Estimation,Proc. of ICASSP95,688-691,1995年04月
Masahiro Tonomura, Tetsuo Kosaka, Shoichi Matsunaga
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木構造話者クラスタリングを用いた話者適応,電子情報通信学会論文誌D-II,J78-D-II(1) 1-9,1995年01月
小坂 哲夫, 松永 昭一, 嵯峨山 茂樹
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Tree-Structured Speaker Clustering for Speaker-Independent Continuous Speech Recognition,Proc. of ICSLP94,1375-1378,1994年09月
Tetsuo Kosaka, Shoichi Matsunaga, Shigeki Sagayama
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Tree-Structured Speaker Clustering for Fast Speaker Adaptation,Proc. of ICASSP94,245-248,1994年04月
Tetsuo Kosaka, Shigeki Sagayama
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話者混合逐次状態分割法による不特定話者音声認識と話者適応,電子情報通信学会論文誌A,J77-A(2) 103-111,1994年02月
小坂 哲夫, 鷹見 淳一, 嵯峨山 茂樹
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A Dynamic Approach to Speaker Adaptation of Hidden Markov Networks for Speech Recognition,Proc. of Eurospeech93,363-366,1993年09月
Tetsuo Kosaka, Edward Willems, Jun-Ichi Takami, Shigeki Sagayama
共著(海外含む)
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Rapid Speaker Adaptation Using Speaker-Mixtue Allophone Models Applied to Speaker-Independent Speech Recognition,Proc. of ICASSP93,570-573,1993年04月
Tetsuo Kosaka, Jun-Ichi Takami, Shigeki Sagayama
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An Algorithm for Automatic HMM Structure Generation in Speech Recognition,Proc. of Fourth Australian International Conference on Speech Science and Technology ,104-109,1992年12月
Tetsuo Kosaka, Shigeki Sagayama
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ATREUS: Continuous Speech Recognition Systems at ATR Interpreting Telephony Research Laboratiories,Proc. of Fourth Australian International Conference on Speech Science and Technology,324-329,1992年12月
S. Sagayama, M. Sugiyama, K. Ohkura, J. Takami, A. Nagai, H. Singer, H. Hattori, K. Fukuzawa, Y. Kato, K. Yamaguti, T. Kosaka, A. Kurematsu
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統計的手法およびトップダウン情報を用いた男女声対象の自動ラベリング,電気学会論文誌C,108-C(10) 795-802,1988年01月
小森 康弘, 小坂 哲夫, 大洞 恭則, 新中 新二
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