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Atsushi Nakamura
2010 – today
- 2013
[j28]Marc Delcroix, Shinji Watanabe, Tomohiro Nakatani, Atsushi Nakamura: Cluster-based dynamic variance adaptation for interconnecting speech enhancement pre-processor and speech recognizer. Computer Speech & Language 27(1): 350-368 (2013)- [j27]Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Atsunori Ogawa, Takaaki Hori, Shinji Watanabe, Masakiyo Fujimoto, Takuya Yoshioka, Takanobu Oba, Yotaro Kubo, Mehrez Souden, Seong-Jun Hahm, Atsushi Nakamura: Speech recognition in living rooms: Integrated speech enhancement and recognition system based on spatial, spectral and temporal modeling of sounds. Computer Speech & Language 27(3): 851-873 (2013)
- [j26]Seong-Jun Hahm, Shinji Watanabe, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura: Prior-shared feature and model space speaker adaptation by consistently employing map estimation. Speech Communication 55(3): 415-431 (2013)
- 2012
- [j25]Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito: Model Shrinkage for Discriminative Language Models. IEICE Transactions 95-D(5): 1465-1474 (2012)
- [j24]Takanori Suzuki, Hideo Arimoto, Takeshi Kitatani, Aki Takei, Takafumi Taniguchi, Kazunori Shinoda, Shigehisa Tanaka, Shinji Tsuji, Tatemi Ido, Jun Igrashi, Atsushi Nakamura, Kazuhiko Naoe, Kenji Uchida: Wide-Tuning-Wavelength-Range LGLC Laser with Low-Loss Dual-Core Spot Size Converter. IEICE Transactions 95-C(7): 1272-1275 (2012)
- [j23]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Efficient training of discriminative language models by sample selection. Speech Communication 54(6): 791-800 (2012)
- [j22]Atsunori Ogawa, Atsushi Nakamura: Joint estimation of confidence and error causes in speech recognition. Speech Communication 54(9): 1014-1028 (2012)
- [j21]Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato: Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera. IEEE Transactions on Audio, Speech & Language Processing 20(2): 499-513 (2012)
- [j20]Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito: Round-Robin Duel Discriminative Language Models. IEEE Transactions on Audio, Speech & Language Processing 20(4): 1244-1255 (2012)
- [j19]Daisuke Saito, Shinji Watanabe, Atsushi Nakamura, Nobuaki Minematsu: Statistical Voice Conversion Based on Noisy Channel Model. IEEE Transactions on Audio, Speech & Language Processing 20(6): 1784-1794 (2012)
- [j18]Yotaro Kubo, Shinji Watanabe, Takaaki Hori, Atsushi Nakamura: Structural Classification Methods Based on Weighted Finite-State Transducers for Automatic Speech Recognition. IEEE Transactions on Audio, Speech & Language Processing 20(8): 2240-2251 (2012)
- [c64]Takuro Maruyama, Shoko Araki, Tomohiro Nakatani, Shigeki Miyabe, Takeshi Yamada, Shoji Makino, Atsushi Nakamura: New analytical update rule for TDOA inference for underdetermined BSS in noisy environments. ICASSP 2012: 269-272
- [c63]Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura, Simon Wiesler, Ralf Schlüter, Hermann Ney: Basis vector orthogonalization for an improved kernel gradient matching pursuit method. ICASSP 2012: 1909-1912
- [c62]Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura: Decoding network optimization using minimum transition error training. ICASSP 2012: 4197-4200
- [c61]Shinji Watanabe, Yotaro Kubo, Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Bag Of ARCS: New representation of speech segment features based on finite state machines. ICASSP 2012: 4201-4204
- [c60]Marc Delcroix, Atsunori Ogawa, Shinji Watanabe, Tomohiro Nakatani, Atsushi Nakamura: Discriminative feature transforms using differenced maximum mutual information. ICASSP 2012: 4753-4756
- [c59]Atsunori Ogawa, Takaaki Hori, Atsushi Nakamura: Error type classification and word accuracy estimation using alignment features from word confusion network. ICASSP 2012: 4925-4928
- [c58]Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito: Spoken document retrieval by discriminative modeling in a high dimensional feature space. ICASSP 2012: 5153-5156
- [c57]Seong-Jun Hahm, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura: Speaker Adaptation Using Variational Bayesian Linear Regression in Normalized Feature Space. INTERSPEECH 2012
- [c56]Yotaro Kubo, Takaaki Hori, Atsushi Nakamura: Integrating Deep Neural Networks into Structural Classification Approach based on Weighted Finite-State Transducers. INTERSPEECH 2012
- [c55]Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: Fully Bayesian speaker clustering based on hierarchically structured utterance-oriented Dirichlet process mixture model. INTERSPEECH 2012
- [c54]Atsunori Ogawa, Takaaki Hori, Atsushi Nakamura: Recognition rate estimation based on word alignment network and discriminative error type classification. SLT 2012: 113-118
- 2011
- [j17]Atsunori Ogawa, Satoshi Takahashi, Atsushi Nakamura: Efficient Combination of Likelihood Recycling and Batch Calculation for Fast Acoustic Likelihood Calculation. IEICE Transactions 94-D(3): 648-658 (2011)
- [c53]Yotaro Kubo, Simon Wiesler, Ralf Schlüter, Hermann Ney, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: Subspace pursuit method for kernel-log-linear models. ICASSP 2011: 4500-4503
- [c52]Shinji Watanabe, Daichi Mochihashi, Takaaki Hori, Atsushi Nakamura: Gibbs sampling based Multi-scale Mixture Model for speaker clustering. ICASSP 2011: 4524-4527
- [c51]Daisuke Saito, Shinji Watanabe, Atsushi Nakamura, Nobuaki Minematsu: High accurate model-integration-based voice conversion using dynamic features and model structure optimization. ICASSP 2011: 4576-4579
- [c50]Atsunori Ogawa, Satoshi Takahashi, Atsushi Nakamura: Machine and acoustical condition dependency analyses for fast acoustic likelihood calculation techniques. ICASSP 2011: 5156-5159
- [c49]Takanobu Oba, Takaaki Hori, Akinori Ito, Atsushi Nakamura: Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction. ICASSP 2011: 5588-5591
- [c48]Shinji Watanabe, Atsushi Nakamura, Biing-Hwang Juang: Model Adaptation for Automatic Speech Recognition Based on Multiple Time Scale Evolution. INTERSPEECH 2011: 1081-1084
- [c47]Shinji Motoki, Atsushi Nakamura: Lattice gauge theory on a multi-core processor, Cell/B.E. ICCS 2011: 860-868
- 2010
- [j16]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Improved Sequential Dependency Analysis Integrating Labeling-Based Sentence Boundary Detection. IEICE Transactions 93-D(5): 1272-1281 (2010)
- [j15]Takanori Uno, Kouji Ichikawa, Yuichi Mabuchi, Atsushi Nakamura, Yuji Okazaki, Hideki Asai: An Approach for Practical Use of Common-Mode Noise Reduction Technique for In-Vehicle Electronic Equipment. IEICE Transactions 93-B(7): 1788-1796 (2010)
- [j14]Shinji Motoki, Atsushi Nakamura, Koichi Hashimoto, Kiyoshi Mizumaru: Problem Solving Environment for Lattice QCD on Cell/B, E, . JCIT 5(4): 187-194 (2010)
- [j13]Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura, Erik McDermott, Tetsunori Kobayashi: A Sequential Pattern Classifier Based on Hidden Markov Kernel Machine and Its Application to Phoneme Classification. J. Sel. Topics Signal Processing 4(6): 974-984 (2010)
- [j12]David Cournapeau, Shinji Watanabe, Atsushi Nakamura, Tatsuya Kawahara: Online Unsupervised Classification With Model Comparison in the Variational Bayes Framework for Voice Activity Detection. J. Sel. Topics Signal Processing 4(6): 1071-1083 (2010)
- [j11]Shinji Watanabe, Atsushi Nakamura: Predictor-Corrector Adaptation by Using Time Evolution System With Macroscopic Time Scale. IEEE Transactions on Audio, Speech & Language Processing 18(2): 395-406 (2010)
- [c46]Hiroyuki Hamasaki, Yasuhiko Hoshi, Atsushi Nakamura, Akihiro Yamamoto, Hideaki Kido, Shoji Muramatsu: SOC for car navigation system with a 55.3GOPS image recognition engine. ASP-DAC 2010: 464-465
- [c45]Naoki Yasuraoka, Takuya Yoshioka, Tomohiro Nakatani, Atsushi Nakamura, Hiroshi G. Okuno: Music dereverberation using harmonic structure source model and Wiener filter. ICASSP 2010: 53-56
- [c44]Hideyuki Watanabe, Shigeru Katagiri, Kouta Yamada, Erik McDermott, Atsushi Nakamura, Shinji Watanabe, Miho Ohsaki: Minimum Error Classification with geometric margin control. ICASSP 2010: 2170-2173
- [c43]Atsunori Ogawa, Atsushi Nakamura: Discriminative confidence and error cause estimation for extended speech recognition function. ICASSP 2010: 4454-4457
- [c42]David Cournapeau, Shinji Watanabe, Atsushi Nakamura, Tatsuya Kawahara: Using online model comparison in the Variational Bayes framework for online unsupervised Voice Activity Detection. ICASSP 2010: 4462-4465
- [c41]Erik McDermott, Shinji Watanabe, Atsushi Nakamura: Discriminative training based on an integrated view of MPE and MMI in margin and error space. ICASSP 2010: 4894-4897
- [c40]Shinji Watanabe, Takaaki Hori, Erik McDermott, Atsushi Nakamura: A discriminative model for continuous speech recognition based on Weighted Finite State Transducers. ICASSP 2010: 4922-4925
- [c39]Takaaki Hori, Shinji Watanabe, Atsushi Nakamura: Search error risk minimization in Viterbi beam search for speech recognition. ICASSP 2010: 4934-4937
- [c38]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: A comparative study on methods of Weighted language model training for reranking lvcsr N-best hypotheses. ICASSP 2010: 5126-5129
- [c37]Atsunori Ogawa, Atsushi Nakamura: A novel confidence measure based on marginalization of jointly estimated error cause probabilities. INTERSPEECH 2010: 242-245
- [c36]Shinji Watanabe, Takaaki Hori, Atsushi Nakamura: Large vocabulary continuous speech recognition using WFST-based linear classifier for structured data. INTERSPEECH 2010: 346-349
- [c35]Daisuke Saito, Shinji Watanabe, Atsushi Nakamura, Nobuaki Minematsu: Probabilistic integration of joint density model and speaker model for voice conversion. INTERSPEECH 2010: 1728-1731
- [c34]Takaaki Hori, Shinji Watanabe, Atsushi Nakamura: Improvements of search error risk minimization in viterbi beam search for speech recognition. INTERSPEECH 2010: 1962-1965
- [c33]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Round-robin discrimination model for reranking ASR hypotheses. INTERSPEECH 2010: 2446-2449
- [c32]Yotaro Kubo, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi: A regularized discriminative training method of acoustic models derived by minimum relative entropy discrimination. INTERSPEECH 2010: 2954-2957
- [c31]Yumi Ansa, Shoko Araki, Shoji Makino, Tomohiro Nakatani, Takeshi Yamada, Atsushi Nakamura, Nobuhiko Kitawaki: Cepstral smoothing of separated signals for underdetermined speech separation. ISCAS 2010: 2506-2509
- [c30]Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato: Real-time meeting recognition and understanding using distant microphones and omni-directional camera. SLT 2010: 424-429
2000 – 2009
- 2009
- [c29]Atsushi Nakamura, Erik McDermott, Shinji Watanabe, Shigeru Katagiri: A unified view for discriminative objective functions based on negative exponential of difference measure between strings. ICASSP 2009: 1633-1636
- [c28]Atsunori Ogawa, Satoshi Takahashi, Atsushi Nakamura: Efficient combination of likelihood recycling and batch calculation based on conditional fast processing and acoustic back-off. ICASSP 2009: 4161-4164
- [c27]Shinji Watanabe, Atsushi Nakamura: On-line adaptation and Bayesian detection of environmental changes based on a macroscopic time evolution system. ICASSP 2009: 4373-4376
- [c26]Erik McDermott, Shinji Watanabe, Atsushi Nakamura: Margin-space integration of MPE loss via differencing of MMI functionals for generalized error-weighted discriminative training. INTERSPEECH 2009: 224-227
- [c25]Atsunori Ogawa, Atsushi Nakamura: Simultaneous estimation of confidence and error cause in speech recognition using discriminative model. INTERSPEECH 2009: 1199-1202
- 2008
- [j10]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Sequential dependency analysis for online spontaneous speech processing. Speech Communication 50(7): 616-625 (2008)
- [c24]Shinji Watanabe, Atsushi Nakamura: A unified interpretation of adaptation approaches based on a macroscopic time evolution system and indirect/direct adaptation approaches. ICASSP 2008: 4285-4288
- [c23]Erik McDermott, Atsushi Nakamura: Flexible discriminative training based on equal error group scores obtained from an error-indexed forward-backward algorithm. INTERSPEECH 2008: 2398-2401
- [c22]Izumi Fuse, Shigeto Okabe, Takashi Yamanoue, Atsushi Nakamura, Michio Nakanishi, Shozo Fukada, Takahiro Tagawa, Tatsumi Takeo, Ikuya Murata, Tetsutaro Uehara, Tsuneo Yamada: Improving computer ethics video clips for higher education. SIGUCCS 2008: 235-242
- 2007
- [j9]Erik McDermott, Timothy J. Hazen, Jonathan Le Roux, Atsushi Nakamura, Shigeru Katagiri: Discriminative Training for Large-Vocabulary Speech Recognition Using Minimum Classification Error. IEEE Transactions on Audio, Speech & Language Processing 15(1): 203-223 (2007)
- [j8]Takaaki Hori, Chiori Hori, Yasuhiro Minami, Atsushi Nakamura: Efficient WFST-Based One-Pass Decoding With On-The-Fly Hypothesis Rescoring in Extremely Large Vocabulary Continuous Speech Recognition. IEEE Transactions on Audio, Speech & Language Processing 15(4): 1352-1365 (2007)
- [c21]Yasuhiro Minami, Minako Sawaki, Kohji Dohsaka, Ryuichiro Higashinaka, Kentaro Ishizuka, Hideki Isozaki, Tatsushi Matsubayashi, Masato Miyoshi, Atsushi Nakamura, Takanobu Oba, Hiroshi Sawada, Takeshi Yamada, Eisaku Maeda: The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. ICMI 2007: 366-373
- [c20]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: An approach to efficient generation of high-accuracy and compact error-corrective models for speech recognition. INTERSPEECH 2007: 1753-1756
- [c19]Erik McDermott, Atsushi Nakamura: String and lattice based discriminative training for the corpus of spontaneous Japanese lecture transcription task. INTERSPEECH 2007: 2081-2084
- 2006
- [j7]Shinji Watanabe, Atsushi Nakamura: Speech Recognition Based on Student's t-Distribution Derived from Total Bayesian Framework. IEICE Transactions 89-D(3): 970-980 (2006)
- [j6]Erik McDermott, Atsushi Nakamura: Production-Oriented Models for Speech Recognition. IEICE Transactions 89-D(3): 1006-1014 (2006)
- [j5]Shinji Watanabe, Atsushi Sako, Atsushi Nakamura: Automatic determination of acoustic model topology using variational Bayesian estimation and clustering for large vocabulary continuous speech recognition. IEEE Transactions on Audio, Speech & Language Processing 14(3): 855-872 (2006)
- [j4]Parham Zolfaghari, Hiroko Kato, Yasuhiro Minami, Atsushi Nakamura, Shigeru Katagiri, Roy Patterson: Dynamic Assignment of Gaussian Components in Modelling Speech Spectra. VLSI Signal Processing 45(1-2): 7-19 (2006)
- [c18]Takanobu Oba, Takaaki Hori, Atsushi Nakamura: Sentence boundary detection using sequential dependency analysis combined with CRF-based chunking. INTERSPEECH 2006
- 2005
- [j3]Shinji Watanabe, Yasuhiro Minami, Atsushi Nakamura, Naonori Ueda: Selection of Shared-State Hidden Markov Model Structure Using Bayesian Criterion. IEICE Transactions 88-D(1): 1-9 (2005)
- [c17]Takaaki Hori, Atsushi Nakamura: Generalized fast on-the-fly composition algorithm for WFST-based speech recognition. INTERSPEECH 2005: 557-560
- [c16]Shinji Watanabe, Atsushi Nakamura: Effects of Bayesian predictive classification using variational Bayesian posteriors for sparse training data in speech recognition. INTERSPEECH 2005: 1105-1108
- [c15]Mike Schuster, Takaaki Hori, Atsushi Nakamura: Experiments with probabilistic principal component analysis in LVCSR. INTERSPEECH 2005: 1685-1688
- [c14]
- [c13]Takashi Yamanoue, Michio Nakanishi, Atsushi Nakamura, Izumi Fuse, Ikuya Murata, Shozo Fukada, Takahiro Tagawa, Tatsumi Takeo, Shigeto Okabe, Tsuneo Yamada: Digital video clips covering computer ethics in higher education. SIGUCCS 2005: 456-461
- 2004
- [j2]Shinji Watanabe, Yasuhiro Minami, Atsushi Nakamura, Naonori Ueda: Variational bayesian estimation and clustering for speech recognition. IEEE Transactions on Speech and Audio Processing 12(4): 365-381 (2004)
- [c12]Yasuhiro Minami, Erik McDermott, Atsushi Nakamura, Shigeru Katagiri: A theoretical analysis of speech recognition based on feature trajectory models. INTERSPEECH 2004
- 2002
- [j1]Atsushi Nakamura: Restructuring Gaussian mixture density functions in speaker-independent acoustic models. Speech Communication 36(3-4): 277-289 (2002)
- [c11]Yasuhiro Minami, Erik McDermott, Atsushi Nakamura, Shigeru Katagiri: A recognition method with parametric trajectory synthesized using direct relations between static and dynamic feature vector time series. ICASSP 2002: 957-960
- [c10]Shinji Watanabe, Yasuhiro Minami, Atsushi Nakamura, Naonori Ueda: Constructing shared-state hidden Markov models based on a Bayesian approach. INTERSPEECH 2002
- [c9]Shinji Watanabe, Yasuhiro Minami, Atsushi Nakamura, Naonori Ueda: Application of Variational Bayesian Approach to Speech Recognition. NIPS 2002: 1237-1244
- 2000
- [c8]Rainer Gruhn, Harald Singer, Hajime Tsukada, Masaki Naito, Atsushi Nishino, Atsushi Nakamura, Yoshinori Sagisaka, Satoshi Nakamura: Cellular-phone based speech-to-speech translation system ATR-MATRIX. INTERSPEECH 2000: 448-451
1990 – 1999
- 1999
- [c7]Tomoko Matsui, Masaki Naito, Harald Singer, Atsushi Nakamura, Yoshinori Sagisaka: Japanese spontaneous speech database with wide regional and age distribution. EUROSPEECH 1999
- [c6]Atsushi Nakamura, Tomoko Matsui: Acoustic modeling based on a generalized laplacian distribution. EUROSPEECH 1999
- [c5]Harald Singer, Atsushi Nakamura: Unified framework for acoustic topology modelling: ML-SSS and question-based decision trees. EUROSPEECH 1999
- 1997
- [c4]
- 1996
- [c3]Atsushi Nakamura, Shoichi Matsunaga, Tohru Shimizu, Masahiro Tonomura, Yoshinori Sagisaka: Japanese speech databases for robust speech recognition. ICSLP 1996
- 1995
- [c2]Atsushi Nakamura: A minimum error training of garbage model for keyword spotter with artificially generated training data. EUROSPEECH 1995
- 1994
- [c1]Tsuyoshi Morimoto, Noriyoshi Uratani, Toshiyuki Takezawa, Osamu Furuse, Yasuhiro Sobashima, Hitoshi Iida, Atsushi Nakamura, Yoshinori Sagisaka, Norio Higuchi, Yasuhiro Yamazaki: A speech and language database for speech translation research. ICSLP 1994
Coauthor Index
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last updated on 2013-06-07 00:47 CEST by the dblp team