A method for recognizing Japanese monosyllables by using intermediate cumulative distance. - Yasuhiro Matsuda; Shu Tezuka; Mitsuhiko Kanoh; Masafumi Nishimura; Toyohisa Kaneko (ICASSP, 1984)

Isolated word recognition using hidden Markov models. - Kazuhide Sugawara; Masafumi Nishimura; Koichi Toshioka; Masaaki Okochi; Toyohisa Kaneko (ICASSP, 1985)

Speaker adaptation for a hidden Markov model. - Kazuhide Sugawara; Masafumi Nishimura; Akihiro Kuroda (ICASSP, 1986)

HMM-Based speech recognition using multi-dimensional multi-labeling. - Masafumi Nishimura; Koichi Toshioka (ICASSP, 1987)

Speaker adaptation method for HMM-based speech recognition. - Masafumi Nishimura; Kazuhide Sugawara (ICASSP, 1988)

HMM-based speech recognition using dynamic spectral feature. - Masafumi Nishimura (ICASSP, 1989)

Speaker adaptation method for fenonic markov model-based speech recognition. - Masafumi Nishimura (Syst. Comput. Jpn., 1991)

Word clustering for a word bi-gram model. - Shinsuke Mori; Masafumi Nishimura; Nobuyasu Itoh (ICSLP, 1998)

A Stochastic Parser Based on a Structural Word Prediction Model. - Shinsuke Mori; Masafumi Nishimura; Nobuyasu Itoh; Shiho Ogino; Hideo Watanabe (COLING, 2000)

A method for style adaptation to spontaneous speech by using a semi-linear interpolation technique. - Nobuyasu Itoh; Masafumi Nishimura; Shinsuke Mori (INTERSPEECH, 2000)

Improvement of a structured language model: arbori-context tree. - Shinsuke Mori; Masafumi Nishimura; Nobuyasu Itoh (INTERSPEECH, 2001)

Language model adaptation using word clustering. - Shinsuke Mori; Masafumi Nishimura; Nobuyasu Itoh (INTERSPEECH, 2003)

Acoustic model adaptation using first order prediction for reverberant speech. - Tetsuya Takiguchi; Masafumi Nishimura (ICASSP (1), 2004)

Sound Source Localization Using a Profile Fitting Method with Sound Reflectors. - Osamu Ichikawa; Tetsuya Takiguchi; Masafumi Nishimura (IEICE Trans. Inf. Syst., 2004)

Improved HMM Separation for Distant-Talking Speech Recognition. - Tetsuya Takiguchi; Masafumi Nishimura (IEICE Trans. Inf. Syst., 2004)

Simultaneous adaptation of echo cancellation and spectral subtraction for in-car speech recognition. - Osamu Ichikawa; Masafumi Nishimura (INTERSPEECH, 2005)

A stochastic approach to phoneme and accent estimation. - Tohru Nagano; Shinsuke Mori; Masafumi Nishimura (INTERSPEECH, 2005)

Unsupervised Adaptation of a Stochastic Language Model Using a Japanese Raw Corpus. - Gakuto Kurata; Shinsuke Mori; Masafumi Nishimura (ICASSP (1), 2006)

Estimation of recording location using audio watermarking. - Yuta Nakashima; Ryuki Tachibana; Masafumi Nishimura; Noboru Babaguchi (MM&Sec, 2006)

Acoustic Model Adaptation Using First-Order Linear Prediction for Reverberant Speech. - Tetsuya Takiguchi; Masafumi Nishimura; Yasuo Ariki (IEICE Trans. Inf. Syst., 2006)

Unsupervised Lexicon Acquisition from Speech and Text. - Gakuto Kurata; Shinsuke Mori; Nobuyasu Itoh; Masafumi Nishimura (ICASSP (4), 2007)

Determining Recording Location Based on Synchronization Positions of Audiowatermarking. - Yuta Nakashima; Ryuki Tachibana; Masafumi Nishimura; Noboru Babaguchi (ICASSP (2), 2007)

Preliminary experiments toward automatic generation of new TTS voices from recorded speech alone. - Ryuki Tachibana; Tohru Nagano; Gakuto Kurata; Masafumi Nishimura; Noboru Babaguchi (INTERSPEECH, 2007)

Automatic Prosody Labeling Using Multiple Models for Japanese. - Ryuki Tachibana; Tohru Nagano; Gakuto Kurata; Masafumi Nishimura; Noboru Babaguchi (IEICE Trans. Inf. Syst., 2007)

Local peak enhancement combined with noise reduction algorithms for robust automatic speech recognition in automobiles. - Osamu Ichikawa; Takashi Fukuda; Masafumi Nishimura (ICASSP, 2008)

Improving phoneme and accent estimation by leveraging a dictionary for a stochastic TTS front-end. - Tohru Nagano; Ryuki Tachibana; Nobuyasu Itoh; Masafumi Nishimura (ICASSP, 2008)

Phone-duration-dependent long-term dynamic features for a stochastic model-based voice activity detection. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (INTERSPEECH, 2008)

Short- and long-term dynamic features for robust speech recognition. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (INTERSPEECH, 2008)

Local Peak Enhancement for In-Car Speech Recognition in Noisy Environment. - Osamu Ichikawa; Takashi Fukuda; Masafumi Nishimura (IEICE Trans. Inf. Syst., 2008)

Acoustically discriminative training for language models. - Gakuto Kurata; Nobuyasu Itoh; Masafumi Nishimura (ICASSP, 2009)

Dynamic features in the linear domain for robust automatic speech recognition in a reverberant environment. - Osamu Ichikawa; Takashi Fukuda; Ryuki Tachibana; Masafumi Nishimura (INTERSPEECH, 2009)

Japanese pitch conversion for voice morphing based on differential modeling. - Ryuki Tachibana; Zhiwei Shuang; Masafumi Nishimura (INTERSPEECH, 2009)

Improved voice activity detection using static harmonic features. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (ICASSP, 2010)

Speech synthesis by modeling harmonics structure with multiple function. - Toru Nakashika; Ryuki Tachibana; Masafumi Nishimura; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2010)

DOA Estimation with Local-Peak-Weighted CSP. - Osamu Ichikawa; Takashi Fukuda; Masafumi Nishimura (EURASIP J. Adv. Signal Process., 2010)

Long-Term Spectro-Temporal and Static Harmonic Features for Voice Activity Detection. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (IEEE J. Sel. Top. Signal Process., 2010)

Dynamic Features in the Linear-Logarithmic Hybrid Domain for Automatic Speech Recognition in a Reverberant Environment. - Osamu Ichikawa; Takashi Fukuda; Masafumi Nishimura (IEEE J. Sel. Top. Signal Process., 2010)

Training of error-corrective model for ASR without using audio data. - Gakuto Kurata; Nobuyasu Itoh; Masafumi Nishimura (ICASSP, 2011)

Named entity recognition from Conversational Telephone Speech leveraging Word Confusion Networks for training and recognition. - Gakuto Kurata; Nobuyasu Itoh; Masafumi Nishimura; Abhinav Sethy; Bhuvana Ramabhadran (ICASSP, 2011)

Combining Feature Space Discriminative Training with Long-Term Spectro-Temporal Features for Noise-Robust Speech Recognition. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (INTERSPEECH, 2011)

Breath-Detection-Based Telephony Speech Phrasing. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (INTERSPEECH, 2011)

Acoustic Model Training with Detecting Transcription Errors in the Training Data. - Gakuto Kurata; Nobuyasu Itoh; Masafumi Nishimura (INTERSPEECH, 2011)

Continuous Digits Recognition Leveraging Invariant Structure. - Masayuki Suzuki; Gakuto Kurata; Masafumi Nishimura; Nobuaki Minematsu (INTERSPEECH, 2011)

Agglomerative Hierarchical Clustering of Emotions in Speech Based on Subjective Relative Similarity. - Ryoichi Takashima; Tohru Nagano; Ryuki Tachibana; Masafumi Nishimura (INTERSPEECH, 2011)

Model-based noise reduction leveraging frequency-wise confidence metric for in-car speech recognition. - Osamu Ichikawa; Steven J. Rennie; Takashi Fukuda; Masafumi Nishimura (ICASSP, 2012)

Discriminative Reranking for LVCSR Leveraging Invariant Structure. - Masayuki Suzuki; Gakuto Kurata; Masafumi Nishimura; Nobuaki Minematsu (INTERSPEECH, 2012)

Leveraging word confusion networks for named entity modeling and detection from conversational telephone speech. - Gakuto Kurata; Nobuyasu Itoh; Masafumi Nishimura; Abhinav Sethy; Bhuvana Ramabhadran (Speech Commun., 2012)

Acoustically discriminative language model training with pseudo-hypothesis. - Gakuto Kurata; Abhinav Sethy; Bhuvana Ramabhadran; Ariya Rastrow; Nobuyasu Itoh; Masafumi Nishimura (Speech Commun., 2012)

Channel-mapping for speech corpus recycling. - Osamu Ichikawa; Steven J. Rennie; Takashi Fukuda; Masafumi Nishimura (ICASSP, 2013)

Leveraging phonetic context dependent invariant structure for continuous speech recognition. - Congying Zhang; Masayuki Suzuki; Gakuto Kurata; Masafumi Nishimura; Nobuaki Minematsu (ChinaSIP, 2014)

Regularized feature-space discriminative adaptation for robust ASR. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura; Steven J. Rennie; Vaibhava Goel (INTERSPEECH, 2014)

A metric for evaluating speech recognizer output based on human-perception model. - Nobuyasu Itoh; Gakuto Kurata; Ryuki Tachibana; Masafumi Nishimura (INTERSPEECH, 2015)

Discriminative re-ranking for automatic speech recognition by leveraging invariant structures. - Masayuki Suzuki; Gakuto Kurata; Masafumi Nishimura; Nobuaki Minematsu (Speech Commun., 2015)

DNN-based feature transformation for speech recognition using throat microphone. - Shengke Lin; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura (APSIPA, 2017)

A Deep-Learning-Based Method of Estimating Water Intake. - Yutaro Yamada; Takato Saito; Satoshi Kawasaki; Daizo Ikeda; Masaji Katagiri; Masafumi Nishimura; Hiroshi Mineno (COMPSAC (2), 2017)

Deep learning-based water-intake estimation method using second half of swallowing sound. - Yutaro Yamada; Masafumi Nishimura; Hiroshi Mineno; Takato Saito; Satoshi Kawasaki; Daizo Ikeda; Masaji Katagiri (GCCE, 2017)

Bottleneck feature-mediated DNN-based feature mapping for throat microphone speech recognition. - Takahito Suzuki; Jun Ogata; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura (APSIPA, 2018)

Dialogue Breakdown Detection Based on Nonlinguistic Acoustic Information. - Motoki Abe; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura (GCCE, 2018)

Detecting breathing sounds in realistic Japanese telephone conversations and its application to automatic speech recognition. - Takashi Fukuda; Osamu Ichikawa; Masafumi Nishimura (Speech Commun., 2018)

Estimation of Number of Chewing Strokes and Swallowing Events by Using LSTM-CTC and Throat Microphone. - Muhammad Mehedi Billah; Taiju Abe; Akihiro Nakamura; Hiroshi Mineno; Masafumi Nishimura; Takato Saito; Daizo Ikeda (GCCE, 2019)

Effects of Mounting Position on Throat Microphone Speech Recognition. - Takahito Suzuki; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura; Jun Ogata (GCCE, 2019)

Knowledge Distillation for Throat Microphone Speech Recognition. - Takahito Suzuki; Jun Ogata; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura (INTERSPEECH, 2019)

Multimodal Behavior Analysis Towards Detecting Mild Cognitive Impairment: Preliminary Results on Gait and Speech. - Kaoru Shinkawa; Akihiro Kosugi; Masafumi Nishimura; Miyuki Nemoto; Kiyotaka Nemoto; Tomoko Takeuchi; Yuriko Numata; Ryohei Watanabe; Eriko Tsukada; Miho Ota; Shinji Higashi; Tetsuaki Arai; et al. (MedInfo, 2019)

A Data Augmentation Technique for Automatic Detection of Chewing Side and Swallowing. - Akihiro Nakamura; Takato Saito; Daizo Ikeda; Ken Ohta; Hiroshi Mineno; Masafumi Nishimura (APSIPA, 2020)

BERT-based Automatic Text Scoring for Collaborative Learning. - Haruki Fukuda; Takashi Tsunakawa; Jun Oshima; Ritsuko Oshima; Masafumi Nishida; Masafumi Nishimura (GCCE, 2020)

Automatic Detection of Chewing and Swallowing Using Hybrid CTC/Attention. - Akihiro Nakamura; Ken Ohta; Takato Saito; Hiroshi Mineno; Daizo Ikeda; Masafumi Nishimura (GCCE, 2020)

A data augmentation-based technique to classify chewing and swallowing using LSTM. - Muhammad Mehedi Billah; Masafumi Nishimura (LifeTech, 2020)

Automatic Detection of the Chewing Side Using Two-channel Recordings under the Ear. - Akihiro Nakamura; Hiroshi Mineno; Masafumi Nishimura; Takato Saito; Daizo Ikeda; Ken Ohta (LifeTech, 2020)

Question Generation using Knowledge Graphs with the T5 Language Model and Masked Self-Attention. - Kosuke Aigo; Takashi Tsunakawa; Masafumi Nishida; Masafumi Nishimura (GCCE, 2021)

Automatic Detection of Chewing and Swallowing Using Attention-Based Fusion. - Akihiro Nakamura; Takato Saito; Daizo Ikeda; Ken Ohta; Hiroshi Mineno; Masafumi Nishimura (GCCE, 2021)

Automatic Detection of Chewing and Swallowing Using Multichannel Sound Information. - Akihiro Nakamura; Takato Saito; Daizo Ikeda; Ken Ohta; Hiroshi Mineno; Masafumi Nishimura (LifeTech, 2021)

A Study for Detecting Mild Cognitive Impairment by Analyzing Conversations with Humanoid Robots. - Kenta Yoshii; Masafumi Nishimura; Daiki Kimura; Akihiro Kosugi; Kaoru Shinkawa; Toshiro Takase; Masatomo Kobayashi; Yasunori Yamada; Miyuki Nemoto; Ryohei Watanabe; Eriko Tsukada; Miho Ota; et al. (LifeTech, 2021)

Tablet-Based Automatic Assessment for Early Detection of Alzheimer's Disease Using Speech Responses to Daily Life Questions. - Yasunori Yamada; Kaoru Shinkawa; Masatomo Kobayashi; Masafumi Nishimura; Miyuki Nemoto; Eriko Tsukada; Miho Ota; Kiyotaka Nemoto; Tetsuaki Arai (Frontiers Digit. Health, 2021)

Automatic Detection of Chewing and Swallowing. - Akihiro Nakamura; Takato Saito; Daizo Ikeda; Ken Ohta; Hiroshi Mineno; Masafumi Nishimura (Sensors, 2021)

Throat microphone speech recognition using wav2vec 2.0 and feature mapping. - Kohta Masuda; Jun Ogata; Masafumi Nishida; Masafumi Nishimura (GCCE, 2022)

Identification of vocal tract state before and after swallowing using acoustic features. - Aoi Sugita; Masafumi Nishida; Masafumi Nishimura; Yasuo Horiuchi; Shingo Kuroiwa (GCCE, 2022)

Automatic Detection of Crushing Completion Timing of Food. - Akihiro Nakamura; Takato Saito; Daizo Ikeda; Ken Ohta; Hiroshi Mineno; Masafumi Nishimura (LifeTech, 2022)

Multi-Self-Supervised Learning Model-Based Throat Microphone Speech Recognition. - Kohta Masuda; Jun Ogata; Masafumi Nishida; Masafumi Nishimura (APSIPA ASC, 2023)

Eating and Drinking Behavior Recognition Using Multimodal Fusion. - Amit Karmakar; Masafumi Nishida; Masafumi Nishimura (GCCE, 2023)

Utterance-style-dependent Speaker Verification by Utilizing Emotions. - Hibiki Takayama; Masafumi Nishida; Satoru Tsuge; Shingo Kuroiwa; Masafumi Nishimura (GCCE, 2023)

SSL-based Chewing and Swallowing Detection Using Multiple Skin-contact Microphones. - Toshihiro Tsukagoshi; Kazuhiro Koiwai; Masafumi Nishida; Masafumi Nishimura (APSIPA, 2024)

Mora-Based Evaluation of Naturalness for Japanese Dysarthric Speech. - Megumi Hatakeyama; Yuto Suzuki; Motomichi Shirahase; Naohisa Furuta; Naoshi Yamamoto; Masafumi Nishimura (GCCE, 2024)

Food Recognition Using Large-scale Pre-trained Speech Models. - Satoshi Naito; Masafumi Nishimura; Masafumi Nishida; Yasuo Horiuchi; Shingo Kuroiwa (GCCE, 2024)

Chewing and Swallowing Pattern Recognition Using Sound Information. - Mai Takeuchi; Masafumi Nishida; Masafumi Nishimura (GCCE, 2024)

Simultaneous Speech and Eating Behavior Recognition Using Multitask Learning. - Toshihiro Tsukagoshi; Masafumi Nishida; Masafumi Nishimura (GCCE, 2024)