Masafumi Nishimura

Publication Activity (10 Years)

Years Active: 1984-2023
Publications (10 Years): 29

Top Topics

Automatic Detection

Mild Cognitive Impairment

Speech Recognition

Feature Mapping

Top Venues

Publications

Amit Karmakar, Masafumi Nishida, Masafumi Nishimura
Eating and Drinking Behavior Recognition Using Multimodal Fusion. GCCE (2023)
Hibiki Takayama, Masafumi Nishida, Satoru Tsuge, Shingo Kuroiwa, Masafumi Nishimura
Utterance-style-dependent Speaker Verification by Utilizing Emotions. GCCE (2023)
Kohta Masuda, Jun Ogata, Masafumi Nishida, Masafumi Nishimura
Multi-Self-Supervised Learning Model-Based Throat Microphone Speech Recognition. APSIPA ASC (2023)
Kohta Masuda, Jun Ogata, Masafumi Nishida, Masafumi Nishimura
Throat microphone speech recognition using wav2vec 2.0 and feature mapping. GCCE (2022)
Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura
Automatic Detection of Crushing Completion Timing of Food. LifeTech (2022)
Aoi Sugita, Masafumi Nishida, Masafumi Nishimura, Yasuo Horiuchi, Shingo Kuroiwa
Identification of vocal tract state before and after swallowing using acoustic features. GCCE (2022)
Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura
Automatic Detection of Chewing and Swallowing. Sensors 21 (10) (2021)
Yasunori Yamada, Kaoru Shinkawa, Masatomo Kobayashi, Masafumi Nishimura, Miyuki Nemoto, Eriko Tsukada, Miho Ota, Kiyotaka Nemoto, Tetsuaki Arai
Tablet-Based Automatic Assessment for Early Detection of Alzheimer's Disease Using Speech Responses to Daily Life Questions. Frontiers Digit. Health 3 (2021)
Kenta Yoshii, Masafumi Nishimura, Daiki Kimura, Akihiro Kosugi, Kaoru Shinkawa, Toshiro Takase, Masatomo Kobayashi, Yasunori Yamada, Miyuki Nemoto, Ryohei Watanabe, Eriko Tsukada, Miho Ota, Kiyotaka Nemoto, Tetsuaki Arai, Shinji Higashi
A Study for Detecting Mild Cognitive Impairment by Analyzing Conversations with Humanoid Robots. LifeTech (2021)
Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura
Automatic Detection of Chewing and Swallowing Using Attention-Based Fusion. GCCE (2021)
Kosuke Aigo, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura
Question Generation using Knowledge Graphs with the T5 Language Model and Masked Self-Attention. GCCE (2021)
Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura
Automatic Detection of Chewing and Swallowing Using Multichannel Sound Information. LifeTech (2021)
Akihiro Nakamura, Hiroshi Mineno, Masafumi Nishimura, Takato Saito, Daizo Ikeda, Ken Ohta
Automatic Detection of the Chewing Side Using Two-channel Recordings under the Ear. LifeTech (2020)
Akihiro Nakamura, Ken Ohta, Takato Saito, Hiroshi Mineno, Daizo Ikeda, Masafumi Nishimura
Automatic Detection of Chewing and Swallowing Using Hybrid CTC/Attention. GCCE (2020)
Muhammad Mehedi Billah, Masafumi Nishimura
A data augmentation-based technique to classify chewing and swallowing using LSTM. LifeTech (2020)
Haruki Fukuda, Takashi Tsunakawa, Jun Oshima, Ritsuko Oshima, Masafumi Nishida, Masafumi Nishimura
BERT-based Automatic Text Scoring for Collaborative Learning. GCCE (2020)
Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura
A Data Augmentation Technique for Automatic Detection of Chewing Side and Swallowing. APSIPA (2020)
Kaoru Shinkawa, Akihiro Kosugi, Masafumi Nishimura, Miyuki Nemoto, Kiyotaka Nemoto, Tomoko Takeuchi, Yuriko Numata, Ryohei Watanabe, Eriko Tsukada, Miho Ota, Shinji Higashi, Tetsuaki Arai, Yasunori Yamada
Multimodal Behavior Analysis Towards Detecting Mild Cognitive Impairment: Preliminary Results on Gait and Speech. MedInfo (2019)
Takahito Suzuki, Jun Ogata, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura
Knowledge Distillation for Throat Microphone Speech Recognition. INTERSPEECH (2019)
Takahito Suzuki, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura, Jun Ogata
Effects of Mounting Position on Throat Microphone Speech Recognition. GCCE (2019)
Muhammad Mehedi Billah, Taiju Abe, Akihiro Nakamura, Hiroshi Mineno, Masafumi Nishimura, Takato Saito, Daizo Ikeda
Estimation of Number of Chewing Strokes and Swallowing Events by Using LSTM-CTC and Throat Microphone. GCCE (2019)
Takahito Suzuki, Jun Ogata, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura
Bottleneck feature-mediated DNN-based feature mapping for throat microphone speech recognition. APSIPA (2018)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Detecting breathing sounds in realistic Japanese telephone conversations and its application to automatic speech recognition. Speech Commun. 98 (2018)
Motoki Abe, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura
Dialogue Breakdown Detection Based on Nonlinguistic Acoustic Information. GCCE (2018)
Yutaro Yamada, Takato Saito, Satoshi Kawasaki, Daizo Ikeda, Masaji Katagiri, Masafumi Nishimura, Hiroshi Mineno
A Deep-Learning-Based Method of Estimating Water Intake. COMPSAC (2) (2017)
Yutaro Yamada, Masafumi Nishimura, Hiroshi Mineno, Takato Saito, Satoshi Kawasaki, Daizo Ikeda, Masaji Katagiri
Deep learning-based water-intake estimation method using second half of swallowing sound. GCCE (2017)
Shengke Lin, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura
DNN-based feature transformation for speech recognition using throat microphone. APSIPA (2017)
Nobuyasu Itoh, Gakuto Kurata, Ryuki Tachibana, Masafumi Nishimura
A metric for evaluating speech recognizer output based on human-perception model. INTERSPEECH (2015)
Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu
Discriminative re-ranking for automatic speech recognition by leveraging invariant structures. Speech Commun. 72 (2015)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura, Steven J. Rennie, Vaibhava Goel
Regularized feature-space discriminative adaptation for robust ASR. INTERSPEECH (2014)
Congying Zhang, Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu
Leveraging phonetic context dependent invariant structure for continuous speech recognition. ChinaSIP (2014)
Osamu Ichikawa, Steven J. Rennie, Takashi Fukuda, Masafumi Nishimura
Channel-mapping for speech corpus recycling. ICASSP (2013)
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura, Abhinav Sethy, Bhuvana Ramabhadran
Leveraging word confusion networks for named entity modeling and detection from conversational telephone speech. Speech Commun. 54 (3) (2012)
Osamu Ichikawa, Steven J. Rennie, Takashi Fukuda, Masafumi Nishimura
Model-based noise reduction leveraging frequency-wise confidence metric for in-car speech recognition. ICASSP (2012)
Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu
Discriminative Reranking for LVCSR Leveraging Invariant Structure. INTERSPEECH (2012)
Gakuto Kurata, Abhinav Sethy, Bhuvana Ramabhadran, Ariya Rastrow, Nobuyasu Itoh, Masafumi Nishimura
Acoustically discriminative language model training with pseudo-hypothesis. Speech Commun. 54 (2) (2012)
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura
Acoustic Model Training with Detecting Transcription Errors in the Training Data. INTERSPEECH (2011)
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura
Training of error-corrective model for ASR without using audio data. ICASSP (2011)
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura, Abhinav Sethy, Bhuvana Ramabhadran
Named entity recognition from Conversational Telephone Speech leveraging Word Confusion Networks for training and recognition. ICASSP (2011)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Combining Feature Space Discriminative Training with Long-Term Spectro-Temporal Features for Noise-Robust Speech Recognition. INTERSPEECH (2011)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Breath-Detection-Based Telephony Speech Phrasing. INTERSPEECH (2011)
Ryoichi Takashima, Tohru Nagano, Ryuki Tachibana, Masafumi Nishimura
Agglomerative Hierarchical Clustering of Emotions in Speech Based on Subjective Relative Similarity. INTERSPEECH (2011)
Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu
Continuous Digits Recognition Leveraging Invariant Structure. INTERSPEECH (2011)
Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura
Dynamic Features in the Linear-Logarithmic Hybrid Domain for Automatic Speech Recognition in a Reverberant Environment. IEEE J. Sel. Top. Signal Process. 4 (5) (2010)
Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura
DOA Estimation with Local-Peak-Weighted CSP. EURASIP J. Adv. Signal Process. 2010 (2010)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Improved voice activity detection using static harmonic features. ICASSP (2010)
Toru Nakashika, Ryuki Tachibana, Masafumi Nishimura, Tetsuya Takiguchi, Yasuo Ariki
Speech synthesis by modeling harmonics structure with multiple function. INTERSPEECH (2010)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Long-Term Spectro-Temporal and Static Harmonic Features for Voice Activity Detection. IEEE J. Sel. Top. Signal Process. 4 (5) (2010)
Osamu Ichikawa, Takashi Fukuda, Ryuki Tachibana, Masafumi Nishimura
Dynamic features in the linear domain for robust automatic speech recognition in a reverberant environment. INTERSPEECH (2009)
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura
Acoustically discriminative training for language models. ICASSP (2009)
Ryuki Tachibana, Zhiwei Shuang, Masafumi Nishimura
Japanese pitch conversion for voice morphing based on differential modeling. INTERSPEECH (2009)
Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura
Local peak enhancement combined with noise reduction algorithms for robust automatic speech recognition in automobiles. ICASSP (2008)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Phone-duration-dependent long-term dynamic features for a stochastic model-based voice activity detection. INTERSPEECH (2008)
Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura
Short- and long-term dynamic features for robust speech recognition. INTERSPEECH (2008)
Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura
Local Peak Enhancement for In-Car Speech Recognition in Noisy Environment. IEICE Trans. Inf. Syst. (3) (2008)
Tohru Nagano, Ryuki Tachibana, Nobuyasu Itoh, Masafumi Nishimura
Improving phoneme and accent estimation by leveraging a dictionary for a stochastic TTS front-end. ICASSP (2008)
Yuta Nakashima, Ryuki Tachibana, Masafumi Nishimura, Noboru Babaguchi
Determining Recording Location Based on Synchronization Positions of Audiowatermarking. ICASSP (2) (2007)
Ryuki Tachibana, Tohru Nagano, Gakuto Kurata, Masafumi Nishimura, Noboru Babaguchi
Preliminary experiments toward automatic generation of new TTS voices from recorded speech alone. INTERSPEECH (2007)
Gakuto Kurata, Shinsuke Mori, Nobuyasu Itoh, Masafumi Nishimura
Unsupervised Lexicon Acquisition from Speech and Text. ICASSP (4) (2007)
Ryuki Tachibana, Tohru Nagano, Gakuto Kurata, Masafumi Nishimura, Noboru Babaguchi
Automatic Prosody Labeling Using Multiple Models for Japanese. IEICE Trans. Inf. Syst. (11) (2007)
Tetsuya Takiguchi, Masafumi Nishimura, Yasuo Ariki
Acoustic Model Adaptation Using First-Order Linear Prediction for Reverberant Speech. IEICE Trans. Inf. Syst. (3) (2006)
Gakuto Kurata, Shinsuke Mori, Masafumi Nishimura
Unsupervised Adaptation of a Stochastic Language Model Using a Japanese Raw Corpus. ICASSP (1) (2006)
Yuta Nakashima, Ryuki Tachibana, Masafumi Nishimura, Noboru Babaguchi
Estimation of recording location using audio watermarking. MM&Sec (2006)
Tohru Nagano, Shinsuke Mori, Masafumi Nishimura
A stochastic approach to phoneme and accent estimation. INTERSPEECH (2005)
Osamu Ichikawa, Masafumi Nishimura
Simultaneous Adaptation of Echo Cancellation and Spectral Subtraction for In-Car Speech Recognition. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (7) (2005)
Osamu Ichikawa, Masafumi Nishimura
Simultaneous adaptation of echo cancellation and spectral subtraction for in-car speech recognition. INTERSPEECH (2005)
Tetsuya Takiguchi, Masafumi Nishimura
Acoustic model adaptation using first order prediction for reverberant speech. ICASSP (1) (2004)
Tetsuya Takiguchi, Masafumi Nishimura
Improved HMM Separation for Distant-Talking Speech Recognition. IEICE Trans. Inf. Syst. (5) (2004)
Osamu Ichikawa, Tetsuya Takiguchi, Masafumi Nishimura
Sound Source Localization Using a Profile Fitting Method with Sound Reflectors. IEICE Trans. Inf. Syst. (5) (2004)
Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh
Language model adaptation using word clustering. INTERSPEECH (2003)
Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh
Improvement of a structured language model: arbori-context tree. INTERSPEECH (2001)
Nobuyasu Itoh, Masafumi Nishimura, Shinsuke Mori
A method for style adaptation to spontaneous speech by using a semi-linear interpolation technique. INTERSPEECH (2000)
Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh, Shiho Ogino, Hideo Watanabe
A Stochastic Parser Based on a Structural Word Prediction Model. COLING (2000)
Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh
Word clustering for a word bi-gram model. ICSLP (1998)
Masafumi Nishimura
Speaker adaptation method for fenonic markov model-based speech recognition. Systems and Computers in Japan 22 (13) (1991)
Masafumi Nishimura
HMM-based speech recognition using dynamic spectral feature. ICASSP (1989)
Masafumi Nishimura, Kazuhide Sugawara
Speaker adaptation method for HMM-based speech recognition. ICASSP (1988)
Masafumi Nishimura, Koichi Toshioka
HMM-Based speech recognition using multi-dimensional multi-labeling. ICASSP (1987)
Kazuhide Sugawara, Masafumi Nishimura, Akihiro Kuroda
Speaker adaptation for a hidden Markov model. ICASSP (1986)
Kazuhide Sugawara, Masafumi Nishimura, Koichi Toshioka, Masaaki Okochi, Toyohisa Kaneko
Isolated word recognition using hidden Markov models. ICASSP (1985)
Yasuhiro Matsuda, Shu Tezuka, Mitsuhiko Kanoh, Masafumi Nishimura, Toyohisa Kaneko
A method for recognizing Japanese monosyllables by using intermediate cumulative distance. ICASSP (1984)