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ORCIDMasafumi Nishimura
Person information
- affiliation: IBM Research
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Journal Articles
- 2021
[j16]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: 653904 (2021)- [j15]Akihiro Nakamura
, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura:
Automatic Detection of Chewing and Swallowing. Sensors 21(10): 3378 (2021) - 2018
- [j14]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Detecting breathing sounds in realistic Japanese telephone conversations and its application to automatic speech recognition. Speech Commun. 98: 95-103 (2018) - 2015
- [j13]Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu:
Discriminative re-ranking for automatic speech recognition by leveraging invariant structures. Speech Commun. 72: 208-217 (2015) - 2012
- [j12]Gakuto Kurata, Abhinav Sethy, Bhuvana Ramabhadran, Ariya Rastrow, Nobuyasu Itoh, Masafumi Nishimura:
Acoustically discriminative language model training with pseudo-hypothesis. Speech Commun. 54(2): 219-228 (2012) - [j11]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): 491-502 (2012) - 2010
- [j10]Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura:
DOA Estimation with Local-Peak-Weighted CSP. EURASIP J. Adv. Signal Process. 2010 (2010) - [j9]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): 816-823 (2010) - [j8]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): 834-844 (2010) - 2008
- [j7]Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura:
Local Peak Enhancement for In-Car Speech Recognition in Noisy Environment. IEICE Trans. Inf. Syst. 91-D(3): 635-639 (2008) - 2007
- [j6]Ryuki Tachibana, Tohru Nagano, Gakuto Kurata, Masafumi Nishimura, Noboru Babaguchi:
Automatic Prosody Labeling Using Multiple Models for Japanese. IEICE Trans. Inf. Syst. 90-D(11): 1805-1812 (2007) - 2006
- [j5]Tetsuya Takiguchi, Masafumi Nishimura, Yasuo Ariki:
Acoustic Model Adaptation Using First-Order Linear Prediction for Reverberant Speech. IEICE Trans. Inf. Syst. 89-D(3): 908-914 (2006) - 2005
- [j4]Osamu Ichikawa, Masafumi Nishimura:
Simultaneous Adaptation of Echo Cancellation and Spectral Subtraction for In-Car Speech Recognition. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(7): 1732-1738 (2005) - 2004
- [j3]Tetsuya Takiguchi, Masafumi Nishimura:
Improved HMM Separation for Distant-Talking Speech Recognition. IEICE Trans. Inf. Syst. 87-D(5): 1127-1137 (2004) - [j2]Osamu Ichikawa, Tetsuya Takiguchi, Masafumi Nishimura:
Sound Source Localization Using a Profile Fitting Method with Sound Reflectors. IEICE Trans. Inf. Syst. 87-D(5): 1138-1145 (2004) - 1991
- [j1]Masafumi Nishimura:
Speaker adaptation method for fenonic markov model-based speech recognition. Syst. Comput. Jpn. 22(13): 47-58 (1991)
Conference and Workshop Papers
- 2023
- [c65]Kohta Masuda, Jun Ogata, Masafumi Nishida, Masafumi Nishimura:
Multi-Self-Supervised Learning Model-Based Throat Microphone Speech Recognition. APSIPA ASC 2023: 1766-1770 - [c64]Amit Karmakar, Masafumi Nishida, Masafumi Nishimura:
Eating and Drinking Behavior Recognition Using Multimodal Fusion. GCCE 2023: 210-213 - [c63]Hibiki Takayama, Masafumi Nishida, Satoru Tsuge, Shingo Kuroiwa, Masafumi Nishimura:
Utterance-style-dependent Speaker Verification by Utilizing Emotions. GCCE 2023: 773-775 - 2022
- [c62]Kohta Masuda, Jun Ogata, Masafumi Nishida, Masafumi Nishimura:
Throat microphone speech recognition using wav2vec 2.0 and feature mapping. GCCE 2022: 395-397 - [c61]Aoi Sugita, Masafumi Nishida, Masafumi Nishimura, Yasuo Horiuchi, Shingo Kuroiwa:
Identification of vocal tract state before and after swallowing using acoustic features. GCCE 2022: 752-753 - [c60]Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura:
Automatic Detection of Crushing Completion Timing of Food. LifeTech 2022: 516-518 - 2021
- [c59]Kosuke Aigo, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura:
Question Generation using Knowledge Graphs with the T5 Language Model and Masked Self-Attention. GCCE 2021: 85-87 - [c58]Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura:
Automatic Detection of Chewing and Swallowing Using Attention-Based Fusion. GCCE 2021: 373-375 - [c57]Akihiro Nakamura, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, Masafumi Nishimura:
Automatic Detection of Chewing and Swallowing Using Multichannel Sound Information. LifeTech 2021: 173-175 - [c56]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: 347-350 - 2020
- [c55]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: 578-583 - [c54]Akihiro Nakamura, Ken Ohta, Takato Saito, Hiroshi Mineno, Daizo Ikeda, Masafumi Nishimura:
Automatic Detection of Chewing and Swallowing Using Hybrid CTC/Attention. GCCE 2020: 810-812 - [c53]Haruki Fukuda, Takashi Tsunakawa, Jun Oshima, Ritsuko Oshima, Masafumi Nishida, Masafumi Nishimura:
BERT-based Automatic Text Scoring for Collaborative Learning. GCCE 2020: 917-920 - [c52]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: 82-83 - [c51]Muhammad Mehedi Billah, Masafumi Nishimura:
A data augmentation-based technique to classify chewing and swallowing using LSTM. LifeTech 2020: 84-85 - 2019
- [c50]Takahito Suzuki, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura, Jun Ogata:
Effects of Mounting Position on Throat Microphone Speech Recognition. GCCE 2019: 873-874 - [c49]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: 920-921 - [c48]Takahito Suzuki, Jun Ogata, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura:
Knowledge Distillation for Throat Microphone Speech Recognition. INTERSPEECH 2019: 461-465 - [c47]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: 343-347 - 2018
- [c46]Takahito Suzuki, Jun Ogata, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura:
Bottleneck feature-mediated DNN-based feature mapping for throat microphone speech recognition. APSIPA 2018: 1738-1741 - [c45]Motoki Abe, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura:
Dialogue Breakdown Detection Based on Nonlinguistic Acoustic Information. GCCE 2018: 689-690 - 2017
- [c44]Shengke Lin, Takashi Tsunakawa, Masafumi Nishida, Masafumi Nishimura:
DNN-based feature transformation for speech recognition using throat microphone. APSIPA 2017: 596-599 - [c43]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: 96-101 - [c42]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: 1-2 - 2015
- [c41]Nobuyasu Itoh, Gakuto Kurata, Ryuki Tachibana, Masafumi Nishimura:
A metric for evaluating speech recognizer output based on human-perception model. INTERSPEECH 2015: 1285-1288 - 2014
- [c40]Congying Zhang, Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu:
Leveraging phonetic context dependent invariant structure for continuous speech recognition. ChinaSIP 2014: 52-56 - [c39]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura, Steven J. Rennie, Vaibhava Goel:
Regularized feature-space discriminative adaptation for robust ASR. INTERSPEECH 2014: 2185-2188 - 2013
- [c38]Osamu Ichikawa, Steven J. Rennie, Takashi Fukuda, Masafumi Nishimura:
Channel-mapping for speech corpus recycling. ICASSP 2013: 7160-7164 - 2012
- [c37]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: 4921-4924 - [c36]Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu:
Discriminative Reranking for LVCSR Leveraging Invariant Structure. INTERSPEECH 2012: 563-566 - 2011
- [c35]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: 5572-5575 - [c34]Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura:
Training of error-corrective model for ASR without using audio data. ICASSP 2011: 5576-5579 - [c33]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Combining Feature Space Discriminative Training with Long-Term Spectro-Temporal Features for Noise-Robust Speech Recognition. INTERSPEECH 2011: 229-232 - [c32]Masayuki Suzuki, Gakuto Kurata, Masafumi Nishimura, Nobuaki Minematsu:
Continuous Digits Recognition Leveraging Invariant Structure. INTERSPEECH 2011: 993-996 - [c31]Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura:
Acoustic Model Training with Detecting Transcription Errors in the Training Data. INTERSPEECH 2011: 1689-1692 - [c30]Ryoichi Takashima, Tohru Nagano, Ryuki Tachibana, Masafumi Nishimura:
Agglomerative Hierarchical Clustering of Emotions in Speech Based on Subjective Relative Similarity. INTERSPEECH 2011: 2473-2476 - [c29]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Breath-Detection-Based Telephony Speech Phrasing. INTERSPEECH 2011: 2625-2628 - 2010
- [c28]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Improved voice activity detection using static harmonic features. ICASSP 2010: 4482-4485 - [c27]Toru Nakashika, Ryuki Tachibana, Masafumi Nishimura, Tetsuya Takiguchi, Yasuo Ariki:
Speech synthesis by modeling harmonics structure with multiple function. INTERSPEECH 2010: 945-948 - 2009
- [c26]Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura:
Acoustically discriminative training for language models. ICASSP 2009: 4717-4720 - [c25]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: 44-47 - [c24]Ryuki Tachibana, Zhiwei Shuang, Masafumi Nishimura:
Japanese pitch conversion for voice morphing based on differential modeling. INTERSPEECH 2009: 2651-2654 - 2008
- [c23]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: 4689-4692 - [c22]Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura:
Local peak enhancement combined with noise reduction algorithms for robust automatic speech recognition in automobiles. ICASSP 2008: 4869-4872 - [c21]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Phone-duration-dependent long-term dynamic features for a stochastic model-based voice activity detection. INTERSPEECH 2008: 1293-1296 - [c20]Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura:
Short- and long-term dynamic features for robust speech recognition. INTERSPEECH 2008: 2262-2265 - 2007
- [c19]Yuta Nakashima, Ryuki Tachibana, Masafumi Nishimura, Noboru Babaguchi:
Determining Recording Location Based on Synchronization Positions of Audiowatermarking. ICASSP (2) 2007: 253-256 - [c18]Gakuto Kurata, Shinsuke Mori, Nobuyasu Itoh, Masafumi Nishimura:
Unsupervised Lexicon Acquisition from Speech and Text. ICASSP (4) 2007: 421-424 - [c17]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: 1917-1920 - 2006
- [c16]Gakuto Kurata, Shinsuke Mori, Masafumi Nishimura:
Unsupervised Adaptation of a Stochastic Language Model Using a Japanese Raw Corpus. ICASSP (1) 2006: 1037-1040 - [c15]Yuta Nakashima, Ryuki Tachibana, Masafumi Nishimura, Noboru Babaguchi:
Estimation of recording location using audio watermarking. MM&Sec 2006: 108-113 - 2005
- [c14]Osamu Ichikawa, Masafumi Nishimura:
Simultaneous adaptation of echo cancellation and spectral subtraction for in-car speech recognition. INTERSPEECH 2005: 2293-2296 - [c13]Tohru Nagano, Shinsuke Mori, Masafumi Nishimura:
A stochastic approach to phoneme and accent estimation. INTERSPEECH 2005: 3293-3296 - 2004
- [c12]Tetsuya Takiguchi, Masafumi Nishimura:
Acoustic model adaptation using first order prediction for reverberant speech. ICASSP (1) 2004: 869-872 - 2003
- [c11]Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh:
Language model adaptation using word clustering. INTERSPEECH 2003: 425-428 - 2001
- [c10]Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh:
Improvement of a structured language model: arbori-context tree. INTERSPEECH 2001: 713-716 - 2000
- [c9]Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh, Shiho Ogino, Hideo Watanabe:
A Stochastic Parser Based on a Structural Word Prediction Model. COLING 2000: 558-564 - [c8]Nobuyasu Itoh, Masafumi Nishimura, Shinsuke Mori:
A method for style adaptation to spontaneous speech by using a semi-linear interpolation technique. INTERSPEECH 2000: 374-377 - 1998
- [c7]Shinsuke Mori, Masafumi Nishimura, Nobuyasu Itoh:
Word clustering for a word bi-gram model. ICSLP 1998 - 1989
- [c6]Masafumi Nishimura:
HMM-based speech recognition using dynamic spectral feature. ICASSP 1989: 298-301 - 1988
- [c5]Masafumi Nishimura, Kazuhide Sugawara:
Speaker adaptation method for HMM-based speech recognition. ICASSP 1988: 207-210 - 1987
- [c4]Masafumi Nishimura, Koichi Toshioka:
HMM-Based speech recognition using multi-dimensional multi-labeling. ICASSP 1987: 1163-1166 - 1986
- [c3]Kazuhide Sugawara, Masafumi Nishimura, Akihiro Kuroda:
Speaker adaptation for a hidden Markov model. ICASSP 1986: 2667-2670 - 1985
- [c2]Kazuhide Sugawara, Masafumi Nishimura, Koichi Toshioka, Masaaki Okochi, Toyohisa Kaneko:
Isolated word recognition using hidden Markov models. ICASSP 1985: 1-4 - 1984
- [c1]Yasuhiro Matsuda, Shu Tezuka, Mitsuhiko Kanoh, Masafumi Nishimura, Toyohisa Kaneko:
A method for recognizing Japanese monosyllables by using intermediate cumulative distance. ICASSP 1984: 340-343
Coauthor Index
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