A speech and language database for speech translation research. - Tsuyoshi Morimoto; Noriyoshi Uratani; Toshiyuki Takezawa; Osamu Furuse; Yasuhiro Sobashima; Hitoshi Iida; Atsushi Nakamura; Yoshinori Sagisaka; Norio Higuchi; Yasuhiro Yamazaki (ICSLP, 1994)

A minimum error training of garbage model for keyword spotter with artificially generated training data. - Atsushi Nakamura (EUROSPEECH, 1995)

Japanese speech databases for robust speech recognition. - Atsushi Nakamura; Shoichi Matsunaga; Tohru Shimizu; Masahiro Tonomura; Yoshinori Sagisaka (ICSLP, 1996)

Predicting speech recognition performance. - Atsushi Nakamura (EUROSPEECH, 1997)

Japanese spontaneous speech database with wide regional and age distribution. - Tomoko Matsui; Masaki Naito; Harald Singer; Atsushi Nakamura; Yoshinori Sagisaka (EUROSPEECH, 1999)

Acoustic modeling based on a generalized laplacian distribution. - Atsushi Nakamura; Tomoko Matsui (EUROSPEECH, 1999)

Unified framework for acoustic topology modelling: ML-SSS and question-based decision trees. - Harald Singer; Atsushi Nakamura (EUROSPEECH, 1999)

Cellular-phone based speech-to-speech translation system ATR-MATRIX. - Rainer Gruhn; Harald Singer; Hajime Tsukada; Masaki Naito; Atsushi Nishino; Atsushi Nakamura; Yoshinori Sagisaka; Satoshi Nakamura 001 (INTERSPEECH, 2000)

A recognition method with parametric trajectory synthesized using direct relations between static and dynamic feature vector time series. - Yasuhiro Minami; Erik McDermott; Atsushi Nakamura; Shigeru Katagiri (ICASSP, 2002)

Constructing shared-state hidden Markov models based on a Bayesian approach. - Shinji Watanabe 001; Yasuhiro Minami; Atsushi Nakamura; Naonori Ueda (INTERSPEECH, 2002)

Application of Variational Bayesian Approach to Speech Recognition. - Shinji Watanabe 001; Yasuhiro Minami; Atsushi Nakamura; Naonori Ueda (NIPS, 2002)

Restructuring Gaussian mixture density functions in speaker-independent acoustic models. - Atsushi Nakamura (Speech Commun., 2002)

Recognition method with parametric trajectory generated from mixture distribution HMMs. - Yasuhiro Minami; Erik McDermott; Atsushi Nakamura; Shigeru Katagiri (ICASSP (1), 2003)

Application of variational Bayesian estimation and clustering to acoustic model adaptation. - Shinji Watanabe 001; Yasuhiro Minami; Atsushi Nakamura; Naonori Ueda (ICASSP (1), 2003)

Automatic determination of acoustic model topology using variational Bayesian estimation and clustering. - Shinji Watanabe 001; Atsushi Sako; Atsushi Nakamura (ICASSP (1), 2004)

Bayesian modelling of the speech spectrum using mixture of Gaussians. - Parham Zolfaghari; Shinji Watanabe 001; Atsushi Nakamura; Shigeru Katagiri (ICASSP (1), 2004)

A theoretical analysis of speech recognition based on feature trajectory models. - Yasuhiro Minami; Erik McDermott; Atsushi Nakamura; Shigeru Katagiri (INTERSPEECH, 2004)

Variational bayesian estimation and clustering for speech recognition. - Shinji Watanabe 001; Yasuhiro Minami; Atsushi Nakamura; Naonori Ueda (IEEE Trans. Speech Audio Process., 2004)

Generalized fast on-the-fly composition algorithm for WFST-based speech recognition. - Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2005)

Experiments with probabilistic principal component analysis in LVCSR. - Mike Schuster; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2005)

Effects of Bayesian predictive classification using variational Bayesian posteriors for sparse training data in speech recognition. - Shinji Watanabe 001; Atsushi Nakamura (INTERSPEECH, 2005)

Lattice QCD Simulations as an HPC Challenge. - Atsushi Nakamura (ISHPC, 2005)

Digital video clips covering computer ethics in higher education. - Takashi Yamanoue; Michio Nakanishi; Atsushi Nakamura; Izumi Fuse; Ikuya Murata; Shozo Fukada; Takahiro Tagawa; Tatsumi Takeo; Shigeto Okabe; Tsuneo Yamada (SIGUCCS, 2005)

Selection of Shared-State Hidden Markov Model Structure Using Bayesian Criterion. - Shinji Watanabe 001; Yasuhiro Minami; Atsushi Nakamura; Naonori Ueda (IEICE Trans. Inf. Syst., 2005)

An Extremely Large Vocabulary Approach to Named Entity Extraction from Speech. - Takaaki Hori; Atsushi Nakamura (ICASSP (1), 2006)

Acoustic Model Adaptation Based on Coarse/Fine Training of Transfer Vectors Using Directional Statistics. - Shinji Watanabe 001; Atsushi Nakamura (ICASSP (1), 2006)

Sentence boundary detection using sequential dependency analysis combined with CRF-based chunking. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2006)

Advanced computational models and learning theories for spoken language processing. - Atsushi Nakamura; Shinji Watanabe 001; Takaaki Hori; Erik McDermott; Shigeru Katagiri (IEEE Comput. Intell. Mag., 2006)

Production-Oriented Models for Speech Recognition. - Erik McDermott; Atsushi Nakamura (IEICE Trans. Inf. Syst., 2006)

Speech Recognition Based on Student's t-Distribution Derived from Total Bayesian Framework. - Shinji Watanabe 001; Atsushi Nakamura (IEICE Trans. Inf. Syst., 2006)

Automatic determination of acoustic model topology using variational Bayesian estimation and clustering for large vocabulary continuous speech recognition. - Shinji Watanabe 001; Atsushi Sako; Atsushi Nakamura (IEEE Trans. Speech Audio Process., 2006)

Dynamic Assignment of Gaussian Components in Modelling Speech Spectra. - Parham Zolfaghari; Hiroko Kato; Yasuhiro Minami; Atsushi Nakamura; Shigeru Katagiri; Roy D. Patterson (J. VLSI Signal Process., 2006)

Incremental Adaptation Based on a Macroscopic Time Evolution System. - Shinji Watanabe 001; Atsushi Nakamura (ICASSP (4), 2007)

The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. - Yasuhiro Minami; Minako Sawaki; Kohji Dohsaka; Ryuichiro Higashinaka; Kentaro Ishizuka; Hideki Isozaki; Tatsushi Matsubayashi; Masato Miyoshi; Atsushi Nakamura; Takanobu Oba; Hiroshi Sawada; Takeshi Yamada; et al. (ICMI, 2007)

String and lattice based discriminative training for the corpus of spontaneous Japanese lecture transcription task. - Erik McDermott; Atsushi Nakamura (INTERSPEECH, 2007)

An approach to efficient generation of high-accuracy and compact error-corrective models for speech recognition. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2007)

Efficient WFST-Based One-Pass Decoding With On-The-Fly Hypothesis Rescoring in Extremely Large Vocabulary Continuous Speech Recognition. - Takaaki Hori; Chiori Hori; Yasuhiro Minami; Atsushi Nakamura (IEEE Trans. Speech Audio Process., 2007)

Discriminative Training for Large-Vocabulary Speech Recognition Using Minimum Classification Error. - Erik McDermott; Timothy J. Hazen; Jonathan Le Roux; Atsushi Nakamura; Shigeru Katagiri (IEEE Trans. Speech Audio Process., 2007)

Specify-explore-refine (SER): from specification to implementation. - Andreas Gerstlauer; Junyu Peng; Dongwan Shin; Daniel Gajski; Atsushi Nakamura; Dai Araki; Yuuji Nishihara (DAC, 2008)

A unified interpretation of adaptation approaches based on a macroscopic time evolution system and indirect/direct adaptation approaches. - Shinji Watanabe 001; Atsushi Nakamura (ICASSP, 2008)

Flexible discriminative training based on equal error group scores obtained from an error-indexed forward-backward algorithm. - Erik McDermott; Atsushi Nakamura (INTERSPEECH, 2008)

Improving computer ethics video clips for higher education. - Izumi Fuse; Shigeto Okabe; Takashi Yamanoue; Atsushi Nakamura; Michio Nakanishi; Shozo Fukada; Takahiro Tagawa; Tatsumi Takeo; Ikuya Murata; Tetsutaro Uehara; Tsuneo Yamada (SIGUCCS, 2008)

Sequential dependency analysis for online spontaneous speech processing. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (Speech Commun., 2008)

SoC for car navigation systems with a 53.3 GOPS image recognition engine. - Hideaki Kido; Shoji Muramatsu; Yasuhiko Hoshi; Hiroyuki Hamasaki; Atsushi Nakamura; Akihiro Yamamoto (Hot Chips Symposium, 2009)

A unified view for discriminative objective functions based on negative exponential of difference measure between strings. - Atsushi Nakamura; Erik McDermott; Shinji Watanabe 001; Shigeru Katagiri (ICASSP, 2009)

Efficient combination of likelihood recycling and batch calculation based on conditional fast processing and acoustic back-off. - Atsunori Ogawa; Satoshi Takahashi; Atsushi Nakamura (ICASSP, 2009)

On-line adaptation and Bayesian detection of environmental changes based on a macroscopic time evolution system. - Shinji Watanabe 001; Atsushi Nakamura (ICASSP, 2009)

Margin-space integration of MPE loss via differencing of MMI functionals for generalized error-weighted discriminative training. - Erik McDermott; Shinji Watanabe 001; Atsushi Nakamura (INTERSPEECH, 2009)

Simultaneous estimation of confidence and error cause in speech recognition using discriminative model. - Atsunori Ogawa; Atsushi Nakamura (INTERSPEECH, 2009)

SOC for car navigation system with a 55.3GOPS image recognition engine. - Hiroyuki Hamasaki; Yasuhiko Hoshi; Atsushi Nakamura; Akihiro Yamamoto; Hideaki Kido; Shoji Muramatsu (ASP-DAC, 2010)

Using online model comparison in the Variational Bayes framework for online unsupervised Voice Activity Detection. - David Cournapeau; Shinji Watanabe 001; Atsushi Nakamura; Tatsuya Kawahara (ICASSP, 2010)

Search error risk minimization in Viterbi beam search for speech recognition. - Takaaki Hori; Shinji Watanabe 001; Atsushi Nakamura (ICASSP, 2010)

Discriminative training based on an integrated view of MPE and MMI in margin and error space. - Erik McDermott; Shinji Watanabe 001; Atsushi Nakamura (ICASSP, 2010)

A comparative study on methods of Weighted language model training for reranking lvcsr N-best hypotheses. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (ICASSP, 2010)

Discriminative confidence and error cause estimation for extended speech recognition function. - Atsunori Ogawa; Atsushi Nakamura (ICASSP, 2010)

A discriminative model for continuous speech recognition based on Weighted Finite State Transducers. - Shinji Watanabe 001; Takaaki Hori; Erik McDermott; Atsushi Nakamura (ICASSP, 2010)

Minimum Error Classification with geometric margin control. - Hideyuki Watanabe; Shigeru Katagiri; Kouta Yamada; Erik McDermott; Atsushi Nakamura; Shinji Watanabe 001; Miho Ohsaki (ICASSP, 2010)

Music dereverberation using harmonic structure source model and Wiener filter. - Naoki Yasuraoka; Takuya Yoshioka; Tomohiro Nakatani; Atsushi Nakamura; Hiroshi G. Okuno (ICASSP, 2010)

Improvements of search error risk minimization in viterbi beam search for speech recognition. - Takaaki Hori; Shinji Watanabe 001; Atsushi Nakamura (INTERSPEECH, 2010)

A regularized discriminative training method of acoustic models derived by minimum relative entropy discrimination. - Yotaro Kubo; Shinji Watanabe 001; Atsushi Nakamura; Tetsunori Kobayashi (INTERSPEECH, 2010)

Round-robin discrimination model for reranking ASR hypotheses. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2010)

A novel confidence measure based on marginalization of jointly estimated error cause probabilities. - Atsunori Ogawa; Atsushi Nakamura (INTERSPEECH, 2010)

Probabilistic integration of joint density model and speaker model for voice conversion. - Daisuke Saito; Shinji Watanabe 001; Atsushi Nakamura; Nobuaki Minematsu (INTERSPEECH, 2010)

Large vocabulary continuous speech recognition using WFST-based linear classifier for structured data. - Shinji Watanabe 001; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2010)

Cepstral smoothing of separated signals for underdetermined speech separation. - Yumi Ansa; Shoko Araki; Shoji Makino; Tomohiro Nakatani; Takeshi Yamada; Atsushi Nakamura; Nobuhiko Kitawaki (ISCAS, 2010)

Real-time meeting recognition and understanding using distant microphones and omni-directional camera. - Takaaki Hori; Shoko Araki; Takuya Yoshioka; Masakiyo Fujimoto; Shinji Watanabe 001; Takanobu Oba; Atsunori Ogawa; Kazuhiro Otsuka; Dan Mikami; Keisuke Kinoshita; Tomohiro Nakatani; Atsushi Nakamura; et al. (SLT, 2010)

Improved Sequential Dependency Analysis Integrating Labeling-Based Sentence Boundary Detection. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (IEICE Trans. Inf. Syst., 2010)

An Approach for Practical Use of Common-Mode Noise Reduction Technique for In-Vehicle Electronic Equipment. - Takanori Uno; Kouji Ichikawa; Yuichi Mabuchi; Atsushi Nakamura; Yuji Okazaki; Hideki Asai (IEICE Trans. Commun., 2010)

Problem Solving Environment for Lattice QCD on Cell/B, E, . - Shinji Motoki; Atsushi Nakamura; Koichi Hashimoto; Kiyoshi Mizumaru (J. Convergence Inf. Technol., 2010)

Online Unsupervised Classification With Model Comparison in the Variational Bayes Framework for Voice Activity Detection. - David Cournapeau; Shinji Watanabe 001; Atsushi Nakamura; Tatsuya Kawahara (IEEE J. Sel. Top. Signal Process., 2010)

A Sequential Pattern Classifier Based on Hidden Markov Kernel Machine and Its Application to Phoneme Classification. - Yotaro Kubo; Shinji Watanabe 001; Atsushi Nakamura; Erik McDermott; Tetsunori Kobayashi (IEEE J. Sel. Top. Signal Process., 2010)

Predictor-Corrector Adaptation by Using Time Evolution System With Macroscopic Time Scale. - Shinji Watanabe 001; Atsushi Nakamura (IEEE Trans. Speech Audio Process., 2010)

Subspace pursuit method for kernel-log-linear models. - Yotaro Kubo; Simon Wiesler; Ralf Schlüter; Hermann Ney; Shinji Watanabe 001; Atsushi Nakamura; Tetsunori Kobayashi (ICASSP, 2011)

Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction. - Takanobu Oba; Takaaki Hori; Akinori Ito; Atsushi Nakamura (ICASSP, 2011)

Machine and acoustical condition dependency analyses for fast acoustic likelihood calculation techniques. - Atsunori Ogawa; Satoshi Takahashi; Atsushi Nakamura (ICASSP, 2011)

High accurate model-integration-based voice conversion using dynamic features and model structure optimization. - Daisuke Saito; Shinji Watanabe 001; Atsushi Nakamura; Nobuaki Minematsu (ICASSP, 2011)

Gibbs sampling based Multi-scale Mixture Model for speaker clustering. - Shinji Watanabe 001; Daichi Mochihashi; Takaaki Hori; Atsushi Nakamura (ICASSP, 2011)

Model Adaptation for Automatic Speech Recognition Based on Multiple Time Scale Evolution. - Shinji Watanabe 001; Atsushi Nakamura; Biing-Hwang Juang (INTERSPEECH, 2011)

Preface. - Tieniu Tan; Shigeru Katagiri; Jianhua Tao 001; Atsushi Nakamura; Jan Larsen (MLSP, 2011)

Bayesian linear regression for Hidden Markov Model based on optimizing variational bounds. - Shinji Watanabe 001; Atsushi Nakamura; Biing-Hwang Juang (MLSP, 2011)

Efficient Combination of Likelihood Recycling and Batch Calculation for Fast Acoustic Likelihood Calculation. - Atsunori Ogawa; Satoshi Takahashi; Atsushi Nakamura (IEICE Trans. Inf. Syst., 2011)

Lattice gauge theory on a multi-core processor, Cell/B.E. - Shinji Motoki; Atsushi Nakamura (ICCS, 2011)

New analytical calculation and estimation of TDOA for underdetermined BSS in noisy environments. - Takuro Maruyama; Shoko Araki; Tomohiro Nakatani; Shigeki Miyabe; Takeshi Yamada; Shoji Makino; Atsushi Nakamura (APSIPA, 2012)

Melanoma screening system using hyperspectral imager attached to imaging fiberscope. - Takashi Nagaoka; Atsushi Nakamura; Yoshio Kiyohara; Takayuki Sota (EMBC, 2012)

Discriminative feature transforms using differenced maximum mutual information. - Marc Delcroix; Atsunori Ogawa; Shinji Watanabe 001; Tomohiro Nakatani; Atsushi Nakamura (ICASSP, 2012)

Decoding network optimization using minimum transition error training. - Yotaro Kubo; Shinji Watanabe 001; Atsushi Nakamura (ICASSP, 2012)

Basis vector orthogonalization for an improved kernel gradient matching pursuit method. - Yotaro Kubo; Shinji Watanabe 001; Atsushi Nakamura; Simon Wiesler; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

New analytical update rule for TDOA inference for underdetermined BSS in noisy environments. - Takuro Maruyama; Shoko Araki; Tomohiro Nakatani; Shigeki Miyabe; Takeshi Yamada; Shoji Makino; Atsushi Nakamura (ICASSP, 2012)

Spoken document retrieval by discriminative modeling in a high dimensional feature space. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (ICASSP, 2012)

Error type classification and word accuracy estimation using alignment features from word confusion network. - Atsunori Ogawa; Takaaki Hori; Atsushi Nakamura (ICASSP, 2012)

Bag Of ARCS: New representation of speech segment features based on finite state machines. - Shinji Watanabe 001; Yotaro Kubo; Takanobu Oba; Takaaki Hori; Atsushi Nakamura (ICASSP, 2012)

Speaker Adaptation Using Variational Bayesian Linear Regression in Normalized Feature Space. - Seong-Jun Hahm; Atsunori Ogawa; Masakiyo Fujimoto; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2012)

Integrating Deep Neural Networks into Structural Classification Approach based on Weighted Finite-State Transducers. - Yotaro Kubo; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2012)

Fully Bayesian speaker clustering based on hierarchically structured utterance-oriented Dirichlet process mixture model. - Naohiro Tawara; Tetsuji Ogawa; Shinji Watanabe 001; Atsushi Nakamura; Tetsunori Kobayashi (INTERSPEECH, 2012)

Dynamic variance adaptation using differenced maximum mutual information. - Marc Delcroix; Atsunori Ogawa; Tomohiro Nakatani; Atsushi Nakamura (MLSLP, 2012)

Recognition rate estimation based on word alignment network and discriminative error type classification. - Atsunori Ogawa; Takaaki Hori; Atsushi Nakamura (SLT, 2012)

Model Shrinkage for Discriminative Language Models. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (IEICE Trans. Inf. Syst., 2012)

Wide-Tuning-Wavelength-Range LGLC Laser with Low-Loss Dual-Core Spot Size Converter. - Takanori Suzuki; Hideo Arimoto; Takeshi Kitatani; Aki Takei; Takafumi Taniguchi; Kazunori Shinoda; Shigehisa Tanaka; Shinji Tsuji; Tatemi Ido; Jun Igrashi; Atsushi Nakamura; Kazuhiko Naoe; et al. (IEICE Trans. Electron., 2012)

Efficient training of discriminative language models by sample selection. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura (Speech Commun., 2012)

Joint estimation of confidence and error causes in speech recognition. - Atsunori Ogawa; Atsushi Nakamura (Speech Commun., 2012)

Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera. - Takaaki Hori; Shoko Araki; Takuya Yoshioka; Masakiyo Fujimoto; Shinji Watanabe 001; Takanobu Oba; Atsunori Ogawa; Kazuhiro Otsuka; Dan Mikami; Keisuke Kinoshita; Tomohiro Nakatani; Atsushi Nakamura; et al. (IEEE Trans. Speech Audio Process., 2012)

Structural Classification Methods Based on Weighted Finite-State Transducers for Automatic Speech Recognition. - Yotaro Kubo; Shinji Watanabe 001; Takaaki Hori; Atsushi Nakamura (IEEE Trans. Speech Audio Process., 2012)

Round-Robin Duel Discriminative Language Models. - Takanobu Oba; Takaaki Hori; Atsushi Nakamura; Akinori Ito (IEEE Trans. Speech Audio Process., 2012)

Statistical Voice Conversion Based on Noisy Channel Model. - Daisuke Saito; Shinji Watanabe 001; Atsushi Nakamura; Nobuaki Minematsu (IEEE Trans. Speech Audio Process., 2012)

Measurements and simulation of substrate noise coupling in RF ICs with CMOS digital noise emulator. - Naoya Azuma; Shunsuke Shimazaki; Noriyuki Miura; Makoto Nagata; Tomomitsu Kitamura; Satoru Takahashi; Motoki Murakami; Kazuaki Hori; Atsushi Nakamura; Kenta Tsukamoto; Mizuki Iwanami; Eiji Hankui; et al. (EMC Compo, 2013)

Substrate noise reduction based on impedance balance using tunable resistances. - Atsushi Nakamura; Masaaki Maeda; Tohlu Matsushima; Osami Wada (EMC Compo, 2013)

Tactile Vibration of Personal Digital Assistants for Conveying Feelings. - Atsushi Nakamura; Miwa Nakanishi (HCI (14), 2013)

Graph index based query-by-example search on a large speech data set. - Kazuo Aoyama; Atsunori Ogawa; Takashi Hattori; Takaaki Hori; Atsushi Nakamura (ICASSP, 2013)

Unsupervised discriminative adaptation using differenced maximum mutual information based linear regression. - Marc Delcroix; Atsunori Ogawa; Seong-Jun Hahm; Tomohiro Nakatani; Atsushi Nakamura (ICASSP, 2013)

Feature space variational Bayesian linear regression and its combination with model space VBLR. - Seong-Jun Hahm; Atsunori Ogawa; Marc Delcroix; Masakiyo Fujimoto; Takaaki Hori; Atsushi Nakamura (ICASSP, 2013)

Large vocabulary continuous speech recognition based on WFST structured classifiers and deep bottleneck features. - Yotaro Kubo; Takaaki Hori; Atsushi Nakamura (ICASSP, 2013)

Discriminative recognition rate estimation for N-best list and its application to N-best rescoring. - Atsunori Ogawa; Takaaki Hori; Atsushi Nakamura (ICASSP, 2013)

Is speech enhancement pre-processing still relevant when using deep neural networks for acoustic modeling? - Marc Delcroix; Yotaro Kubo; Tomohiro Nakatani; Atsushi Nakamura (INTERSPEECH, 2013)

A method for structure estimation of weighted finite-state transducers and its application to grapheme-to-phoneme conversion. - Yotaro Kubo; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2013)

Unsupervised discriminative language modeling using error rate estimator. - Takanobu Oba; Atsunori Ogawa; Takaaki Hori; Hirokazu Masataki; Atsushi Nakamura (INTERSPEECH, 2013)

Blocked Gibbs sampling based multi-scale mixture model for speaker clustering on noisy data. - Naohiro Tawara; Tetsuji Ogawa; Shinji Watanabe 001; Atsushi Nakamura; Tetsunori Kobayashi (MLSP, 2013)

LGLC tunable laser with highly stable SMSR against large filter deviation for full C-band operation. - Atsushi Nakamura; Kazuhiko Naoe; M. Sakai; Shigenori Hayakawa; K. Motoda; Kazuhisa Uomi; Takanori Suzuki; Hideo Arimoto; Shigehisa Tanak (OFC/NFOEC, 2013)

Speech recognition in living rooms: Integrated speech enhancement and recognition system based on spatial, spectral and temporal modeling of sounds. - Marc Delcroix; Keisuke Kinoshita; Tomohiro Nakatani; Shoko Araki; Atsunori Ogawa; Takaaki Hori; Shinji Watanabe 001; Masakiyo Fujimoto; Takuya Yoshioka; Takanobu Oba; Yotaro Kubo; Mehrez Souden; et al. (Comput. Speech Lang., 2013)

Cluster-based dynamic variance adaptation for interconnecting speech enhancement pre-processor and speech recognizer. - Marc Delcroix; Shinji Watanabe 001; Tomohiro Nakatani; Atsushi Nakamura (Comput. Speech Lang., 2013)

Prior-shared feature and model space speaker adaptation by consistently employing map estimation. - Seong-Jun Hahm; Shinji Watanabe 001; Atsunori Ogawa; Masakiyo Fujimoto; Takaaki Hori; Atsushi Nakamura (Speech Commun., 2013)

Speech Recognition Algorithms Based on Weighted Finite-State Transducers - Takaaki Hori; Atsushi Nakamura (Morgan & Claypool Publishers, 2013)

Computer Ethics Video Clips for University Students in Japan from 2003 until 2013. - Takashi Yamanoue; Izumi Fuse; Shigeto Okabe; Atsushi Nakamura; Michio Nakanishi; Shozo Fukada; Takahiro Tagawa; Tatsumi Takeo; Ikuya Murata; Tetsutaro Uehara; Tsuneo Yamada; Hiroshi Ueda (COMPSAC Workshops, 2014)

Hyperspectroscopic imager for baby fibers. - Takashi Nagaoka; Atsushi Nakamura; Toshio Yamazaki; Yusuke Nakata; Kazuo Endo; Tomoyuki Sakaguchi; Noboru Kawata; Takayuki Sota (EMBC, 2014)

Zero-resource spoken term detection using hierarchical graph-based similarity search. - Kazuo Aoyama; Atsunori Ogawa; Takashi Hattori; Takaaki Hori; Atsushi Nakamura (ICASSP, 2014)

Real-time one-pass decoding with recurrent neural network language model for speech recognition. - Takaaki Hori; Yotaro Kubo; Atsushi Nakamura (ICASSP, 2014)

Fast segment search for corpus-based speech enhancement based on speech recognition technology. - Atsunori Ogawa; Keisuke Kinoshita; Takaaki Hori; Tomohiro Nakatani; Atsushi Nakamura (ICASSP, 2014)

Restructuring output layers of deep neural networks using minimum risk parameter clustering. - Yotaro Kubo; Jun Suzuki 001; Takaaki Hori; Atsushi Nakamura (INTERSPEECH, 2014)

Uncooled clear-eye-opening operation (25 to 95°C) of 25.8/28-Gbps 1.3-µm InGaAlAs-MQW directly modulated DFB lasers. - T. Fukamachi; Atsushi Nakamura; Yasushi Sakuma; Shigenori Hayakawa; Ryu Washino; M. Mukaikubo; K. Okamoto; T. Nakajima; K. Motoda; Kazuhiko Naoe; K. Nakahara; Yuki Wakayama; et al. (OFC, 2014)

Chip Level Simulation of Substrate Noise Coupling and Interference in RF ICs with CMOS Digital Noise Emulator. - Naoya Azuma; Shunsuke Shimazaki; Noriyuki Miura; Makoto Nagata; Tomomitsu Kitamura; Satoru Takahashi; Motoki Murakami; Kazuaki Hori; Atsushi Nakamura; Kenta Tsukamoto; Mizuki Iwanami; Eiji Hankui; et al. (IEICE Trans. Electron., 2014)

Guest Editorial: Machine Learning for Signal Processing. - Shigeru Katagiri; Atsushi Nakamura; Tülay Adali; Jianhua Tao 001; Jan Larsen; Tieniu Tan (J. Signal Process. Syst., 2014)

Structural Bayesian Linear Regression for Hidden Markov Models. - Shinji Watanabe 001; Atsushi Nakamura; Biing-Hwang Fred Juang (J. Signal Process. Syst., 2014)

25.8 Gbps error free transmission over 10 km at wavelengths from 1271 to 1331nm by uncooled (25 to 85°C) directly modulated DFB lasers for 100G-CWDM4. - Takayuki Nakajima; T. Fukamachi; Mitsuo Akashi; Atsushi Nakamura; Yasushi Sakuma; Shigenori Hayakawa; Ryu Washino; M. Mukaikubo; K. Okamoto; K. Motoda; Kazuhiko Naoe; K. Nakahara; et al. (OFC, 2015)

Identification of loss factors by evaluating backscattered modal loss ratio obtained with 1-µm-band mode-detection OTDR. - Atsushi Nakamura; Keiji Okamoto; Yusuke Koshikiya; Tetsuya Manabe; Manabu Oguma; Toshikazu Hashimoto; Mikitaka Itoh (OFC, 2015)

Differenced maximum mutual information criterion for robust unsupervised acoustic model adaptation. - Marc Delcroix; Atsunori Ogawa; Seong-Jun Hahm; Tomohiro Nakatani; Atsushi Nakamura (Comput. Speech Lang., 2016)

Estimating Speech Recognition Accuracy Based on Error Type Classification. - Atsunori Ogawa; Takaaki Hori; Atsushi Nakamura (IEEE ACM Trans. Audio Speech Lang. Process., 2016)

Automatic spin measurements for pitched Baseballs via consumer-grade high-speed cameras. - Takashi Ijiri; Atsushi Nakamura; Akira Hirabayashi; Wataru Sakai; Takeshi Miyazaki; Ryutaro Himeno (Signal Image Video Process., 2017)

Uncooled Operation of 53-Gbaud PAM4 (106-Gb/s) EA/DFB Lasers with Extremely Low Drive Voltage with 0.9 Vpp. - Yoshihiro Nakai; Akira Nakanishi; Yoriyoshi Yamaguchi; Syunya Yamauchi; Atsushi Nakamura; Hideaki Asakura; Hayato Takita; Shigenori Hayakawa; Masatoshi Mitaki; Yasushi Sakuma; Kazuhiro Naoe (ECOC, 2018)

Proactive Detection of Optical Cable Failure Caused by Water Freezing Using 1-μm-band Mode-Detection OTDR. - Atsushi Nakamura; Yusuke Koshikiya; Tetsuya Manabe (OFC, 2018)

53-Gbaud PAM4 Differential Drive of a Conventional EA/DFB Toward Driver-Amplifier-Less Optical Transceivers. - Koichiro Adachi; Takayoshi Fukui; Masato Shishikura; Akira Nakanishi; Atsushi Nakamura; Takanori Suzuki; Shigehisa Tanaka (OFC, 2019)

Potential Fault Detection in Optical Cables Using OTDR Operating in Two-Modes. - Atsushi Nakamura; Keiji Okamoto; Yusuke Koshikiya; Tetsuya Manabe (OECC/PSC, 2019)

Wide-temperature-range 100-Gbaud Operation of a Lumped-electrode-type EA-DFB for an 800-Gb/s Optical Transceiver. - Koichiro Adachi; Syunya Yamauchi; Hideaki Asakura; Atsushi Nakamura; Kazuhiko Naoe; Shigehisa Tanak (ECOC, 2020)

Estimating Modal Group Delay Characteristics of Few-Mode Fibres from Fibre Parameters. - Atsushi Nakamura; Masaharu Ohashi; Daisuke Iida; Hirokazu Kubota (ECOC, 2020)

Design and Implementation of Pulse-Based Protocol with Chirp Spread Spectrum for Massive IoT. - Kentaro Honda; Ferdinand Peper; Atsushi Nakamura; Aohan Li; Yusuke Ito; Kenji Leibnitz; Konstantinos Theofilis; Naoki Wakamiya; Mikio Hasegawa (ISCIT, 2021)

4.2 A 12nm Autonomous-Driving Processor with 60.4TOPS, 13.8TOPS/W CNN Executed by Task-Separated ASIL D Control. - Katsushige Matsubara; Hanno Lieske; Motoki Kimura; Atsushi Nakamura; Manabu Koike; Kazuaki Terashima; Shun Morikawa; Yoshihiko Hotta; Takahiro Irita; Seiji Mochizuki; Hiroyuki Hamasaki; Tatsuya Kamei (ISSCC, 2021)

Method of Estimating Inter-Core Crosstalk for Constructing Uncoupled Multi-Core Fiber Transmission Line. - Atsushi Nakamura; Tomokazu Oda; Yusuke Koshikiya (OFC, 2022)

Wideband Impulse Response Measurement of Coupled 2-Core Fibers of Various Lengths employing Dual-Comb Coherent Sampling. - Masafumi Uyama; Masaki Uno; Shuki Okamura; Chao Zhang; Fumihiko Ito; Atsushi Nakamura; Tatsuya Okamoto; Yusuke Koshikiya (OFC, 2022)

Over 100 mW Uncooled Operation of SOA-integrated 1.3-µm Highly Reliable CW-DFB Laser. - Shoko Yokokawa; Atsushi Nakamura; Shigetaka Hamada; Ryosuke Nakajima; Kaoru Okamoto; Masatoshi Arasawa; Kouji Nakahara; Shigehisa Tanaka (OFC, 2022)

BOTDA-Based Technique for Measuring Maximum Loss and Crosstalk at Splice Point in Few-Mode Fibers. - Tomokazu Oda; Atsushi Nakamura; Daisuke Iida; Hiroyuki Oshida (IEICE Trans. Commun., 2022)

A 12-nm Autonomous Driving Processor With 60.4 TOPS, 13.8 TOPS/W CNN Executed by Task-Separated ASIL D Control. - Katsushige Matsubara; Hanno Lieske; Motoki Kimura; Atsushi Nakamura; Manabu Koike; Shun Morikawa; Yoshihiko Hotta; Takahiro Irita; Seiji Mochizuki; Hiroyuki Hamasaki; Tatsuya Kamei (IEEE J. Solid State Circuits, 2022)

Design and Implementation of a Throughput Improvement Method for Asynchronous Pulse Code Multiple Access. - Atsushi Nakamura; Ferdinand Peper; Kenji Leibnitz; Naoki Wakamiya; Mikio Hasegawa (ICUFN, 2023)

Prototyping of Haptic Datagloves for Deafblind People. - Patrick C. K. Hung; Kamen Kanev; Atsushi Nakamura; Ryuhei Takeda; Hidenori Mimura; Masakatsu Kimura (IMIS, 2023)

Bending Radius Dependence of Power Coupling Coefficient and Spatial Mode Dispersion in Coupled Multi-Core Fibers. - Masaki Nakamori; Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (OFC, 2023)

Definition of Mode Field Diameter for Few-Mode Fibers based on Stationary Expression of Propagation Constant. - Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (OFC, 2023)

CW-WDM MSA compatible 100-mW (up to 50°C), 400-GHz spacing highly-reliable CW-DFB 8-channel laser array. - Ryosuke Hatai; Kouji Nakahara; Atsushi Nakamura; Takayuki Nakajima; Yoshihiko Kobayashi; Takeo Kageyama; Shigehisa Tanaka (OFC, 2024)

Cryptographic Key Generation Using Conventional Single-Mode Fiber and an Optical Time Domain Reflectometer. - Yuto Sagae; Atsushi Nakamura; Takayoshi Mori; Yusuke Koshikiya; Kazuhide Nakajima (OFC, 2024)

Electromagnetic Interference With the Mobile Communication Devices in Unmanned Aerial Vehicles and Its Countermeasures. - Koh Watanabe; Ryota Sakai; Satoshi Tanaka; Makoto Nagata; Hideki Osaka; Atsushi Nakamura; Ifong Wu; Yasushi Matsumoto; Kaoru Gotoh (IEEE Access, 2024)

Locating Excess Mode-Dependent Loss in Coupled Multi-Core Fibers based on Coherent OTDR. - Jumpei Hayakawa; Atsushi Nakamura; Shingo Ohno; Kunihiro Toge (OFC, 2025)

Simultaneous Measurement of Differential Modal Group Delay in Few-Mode Fibers on the Basis of Optical Time Domain Reflectometer with Delay Lines. - Masaki Nakamori; Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (IEICE Trans. Commun., 2025)