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ORCIDKazumasa Yamamoto
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2020 – today
- 2023
[j14]Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Koharu Horii, Yurie Iribe, Kazumasa Yamamoto, Norihide Kitaoka:
A new speech corpus of super-elderly Japanese for acoustic modeling. Comput. Speech Lang. 77: 101424 (2023)- [c59]Kazumasa Yamamoto, Haruhiko Banno, Haruki Sakurai, Toichiro Adachi, Seiichi Nakagawa:
A Study of Speech Recognition, Speech Translation, and Speech Summarization of TED English Lectures. GCCE 2023: 451-452 - 2022
- [c58]Kento Masuda, Yui Hayakawa, Kazumasa Yamamoto, Seiichi Nakagawa:
Summarization of Spoken Lectures Based on MMR Method and Important/Unimportant Sentence Classification Using BERT. GCCE 2022: 361-364 - [c57]Meiko Fukuda, Ryota Nishimura, Maina Umezawa, Kazumasa Yamamoto, Yurie Iribe, Norihide Kitaoka:
Elderly Conversational Speech Corpus with Cognitive Impairment Test and Pilot Dementia Detection Experiment Using Acoustic Characteristics of Speech in Japanese Dialects. LREC 2022: 1016-1022 - [c56]Meiko Fukuda, Masakazu Sugiyama, Ryota Nishimura, Yurie Iribe, Kazumasa Yamamoto, Norihide Kitaoka:
A Corpus-Based Analysis Of Age-Related Changes In The Acoustic Features Of Elderly To Super Elderly Speech. O-COCOSDA 2022 2022: 1-6 - 2021
- [c55]Kazumasa Yamamoto, Akinori Ishiki, Seiichi Nakagawa:
Improvement of Elderly Speech Recognition Using Gammatone Filterbank Adaptation. GCCE 2021: 327-328 - [c54]Tsutomu Higuchi, Takuyo Kodama, Koji Kato, Ryo Fukuda, Naoya Tokiwa, Mitsuhiro Abe, Teruo Takagiwa, Yuki Shimizu, Junji Musha, Katsuaki Sakurai, Jumpei Sato, Tetsuaki Utsumi, Kazuhide Yoneya, Yasuhiro Suematsu, Toshifumi Hashimoto, Takeshi Hioka, Kosuke Yanagidaira, Masatsugu Kojima, Junya Matsuno, Kei Shiraishi, Kensuke Yamamoto, Shintaro Hayashi, Tomoharu Hashiguchi, Kazuko Inuzuka, Akio Sugahara, Mitsuaki Honma, Keiji Tsunoda, Kazumasa Yamamoto, Takahiro Sugimoto, Tomofumi Fujimura, Mizuki Kaneko, Hiroki Date, Osamu Kobayashi, Takatoshi Minamoto, Ryoichi Tachibana, Itaru Yamaguchi, Juan Lee, Venky Ramachandra, Srinivas Rajendra, Tianyu Tang, Siddhesh Darne, Jiwang Lee, Jason Li, Toru Miwa, Ryuji Yamashita, Hiroshi Sugawara, Naoki Ookuma, Masahiro Kano, Hiroyuki Mizukoshi, Yuki Kuniyoshi, Mitsuyuki Watanabe, Kei Akiyama, Hirotoshi Mori, Akira Arimizu, Yoshito Katano, Masakazu Ehama, Hiroshi Maejima, Koji Hosono, Masahiro Yoshihara:
30.4 A 1Tb 3b/Cell 3D-Flash Memory in a 170+ Word-Line-Layer Technology. ISSCC 2021: 428-430 - 2020
- [c53]Kazumasa Yamamoto, Ryo Yamamoto, Seiichi Nakagawa:
Effectiveness of Fine Linear Frequency Spectral Feature for Acoustic Event Detection. GCCE 2020: 923-924
2010 – 2019
- 2019
- [j13]Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa:
Discriminative Learning of Filterbank Layer within Deep Neural Network Based Speech Recognition for Speaker Adaptation. IEICE Trans. Inf. Syst. 102-D(2): 364-374 (2019) - [c52]Kazumasa Yamamoto, Akira Tamagawa, Seiichi Nakagawa:
Evaluation of Real Robot Agent Interface for Spoken Dialogue System. GCCE 2019: 694-695 - [i1]Harukazu Igarashi, Yuichi Morioka, Kazumasa Yamamoto:
Learning Position Evaluation Functions Used in Monte Carlo Softmax Search. CoRR abs/1901.10706 (2019) - 2018
- [c51]Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa:
Rapid Speaker Adaptation of Neural Network Based Filterbank Layer for Automatic Speech Recognition. SLT 2018: 574-580 - 2017
- [c50]Kazumasa Yamamoto, Chikara Ishikawa, Koya Sahashi, Seiichi Nakagawa:
Detection of overlapping acoustic events based on NMF with shared basis vectors. GCCE 2017: 1-5 - [c49]Dairoku Kawai, Kazumasa Yamamoto, Seiichi Nakagawa:
Lyric recognition in monophonic singing using pitch-dependent DNN. ICASSP 2017: 326-330 - [c48]Hiroshi Seki, Kazumasa Yamamoto, Seiichi Nakagawa:
A deep neural network integrated with filterbank learning for speech recognition. ICASSP 2017: 5480-5484 - [c47]Shoko Tsujimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Automatic Explanation Spot Estimation Method Targeted at Text and Figures in Lecture Slides. INTERSPEECH 2017: 2764-2768 - 2016
- [c46]Norioki Goto, Kazumasa Yamamoto, Seiichi Nakagawa:
Domain adaptation of a speech translation system for lectures by utilizing frequently appearing parallel phrases in-domain. APSIPA 2016: 1-4 - [c45]Masaaki Takebe, Kazumasa Yamamoto, Seiichi Nakagawa:
Investigation of glottal features and annotation procedures for speech emotion recognition. APSIPA 2016: 1-4 - [c44]Dairoku Kawai, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech analysis of sung-speech and lyric recognition in monophonic singing. ICASSP 2016: 271-275 - 2015
- [c43]Naoaki Hashimoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition for mixed speech and music by NMF using various cost functions and noise adaptive training methods. APSIPA 2015: 27-30 - [c42]Hiroshi Seki, Kazumasa Yamamoto, Seiichi Nakagawa:
Deep neural network based acoustic model using speaker-class information for short time utterance. APSIPA 2015: 1222-1225 - [c41]Nagisa Sakamoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Combination of syllable based N-gram search and word search for spoken term detection through spoken queries and IV/OOV classification. ASRU 2015: 200-206 - [c40]Akihiro Abe, Kazumasa Yamamoto, Seiichi Nakagawa:
Robust speech recognition using DNN-HMM acoustic model combining noise-aware training with spectral subtraction. INTERSPEECH 2015: 2849-2853 - 2014
- [j12]Aditya Arie Nugraha
, Kazumasa Yamamoto, Seiichi Nakagawa:
Single-channel dereverberation by feature mapping using cascade neural networks for robust distant speaker identification and speech recognition. EURASIP J. Audio Speech Music. Process. 2014: 13 (2014) - [j11]Takashi Miyamori, Hui Xu, Hiroyuki Usui, Soichiro Hosoda, Toru Sano, Kazumasa Yamamoto, Takeshi Kodaka, Nobuhiro Nonogaki, Nau Ozaki, Jun Tanabe:
Architecture and Evaluation of Low Power Many-Core SoC with Two 32-Core Clusters. IEICE Trans. Electron. 97-C(4): 360-368 (2014) - [c39]Naoaki Hashimoto, Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition based on Itakura-Saito divergence and dynamics/sparseness constraints from mixed sound of speech and music by non-negative matrix factorization. INTERSPEECH 2014: 2749-2753 - [c38]Nagisa Sakamoto, Kazumasa Yamamoto, Seiichi Nakagawa:
Sopoken Term Detection Based on a Syllable N-gram Index at the NTCIR-11 SpokenQuery&Doc Task. NTCIR 2014 - 2013
- [j10]Seiichi Nakagawa, Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto:
A robust/fast spoken term detection method based on a syllable n-gram index with a distance metric. Speech Commun. 55(3): 470-485 (2013) - [c37]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Fast NMF based approach and VQ based approach using MFCC distance measure for speech recognition from mixed sound. APSIPA 2013: 1-4 - [c36]Aditya Arie Nugraha, Kazumasa Yamamoto, Seiichi Nakagawa:
Single channel dereverberation method in log-melspectral domain using limited stereo data for distant speaker identification. APSIPA 2013: 1-4 - [c35]John W. McDonough, Ken'ichi Kumatani, Takayuki Arakawa, Kazumasa Yamamoto, Bhiksha Raj:
Speaker tracking with spherical microphone arrays. ICASSP 2013: 3981-3985 - [c34]Yuki Todo, Ryota Nishimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Development and evaluation of spoken dialog systems with one or two agents. INTERSPEECH 2013: 1896-1900 - [c33]Yuki Todo, Ryota Nishimura, Kazumasa Yamamoto, Seiichi Nakagawa:
Development and Evaluation of Spoken Dialog Systems with One or Two Agents through Two Domains. TSD 2013: 185-192 - 2012
- [j9]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Improving the Readability of ASR Results for Lectures Using Multiple Hypotheses and Sentence-Level Knowledge. IEICE Trans. Inf. Syst. 95-D(4): 1101-1111 (2012) - [j8]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Hidden Conditional Neural Fields for Continuous Phoneme Speech Recognition. IEICE Trans. Inf. Syst. 95-D(8): 2094-2104 (2012) - [c32]Daisuke Enami, Faqiang Zhu, Kazumasa Yamamoto, Seiichi Nakagawa:
Soft-clustering technique for training data in Age-and gender-independent speech recognition. APSIPA 2012: 1-4 - [c31]Ken'ichi Kumatani, Takayuki Arakawa, Kazumasa Yamamoto, John W. McDonough, Bhiksha Raj, Rita Singh, Ivan Tashev:
Microphone array processing for distant speech recognition: Towards real-world deployment. APSIPA 2012: 1-10 - [c30]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Fast NMF based approach and improved VQ based approach for speech recognition from mixed sound. APSIPA 2012: 1-4 - [c29]Seiichi Nakagawa, Erdenebat Turmunkh, Hiroshi Kibishi, Kengo Ohta, Yasuhisa Fujii, Masatoshi Tsuchiya, Kazumasa Yamamoto:
Development of large vocabulary continuous speech recognition system for Mongolian language. SLTU 2012: 19-23 - [c28]Hui Xu, Jun Tanabe, Hiroyuki Usui, Soichiro Hosoda, Toru Sano, Kazumasa Yamamoto, Takeshi Kodaka, Nobuhiro Nonogaki, Nau Ozaki, Takashi Miyamori:
A low power many-core SoC with two 32-core clusters connected by tree based NoC for multimedia applications. VLSIC 2012: 150-151 - 2011
- [c27]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Automatic speech recognition using Hidden Conditional Neural Fields. ICASSP 2011: 5036-5039 - [c26]Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Efficient out-of-vocabulary term detection by n-gram array indices with distance from a syllable lattice. ICASSP 2011: 5664-5667 - [c25]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Hidden Boosted MMI and Hierarchical State Posterior Feature for Automatic Speech Recognition Based on Hidden Conditional Neural Fields. INTERSPEECH 2011: 1001-1004 - [c24]Shoichi Nakano, Kazumasa Yamamoto, Seiichi Nakagawa:
Speech Recognition in Mixed Sound of Speech and Music Based on Vector Quantization and Non-Negative Matrix Factorization. INTERSPEECH 2011: 1781-1784 - 2010
- [j7]Longbiao Wang, Kazue Minami, Kazumasa Yamamoto, Seiichi Nakagawa:
Speaker Recognition by Combining MFCC and Phase Information in Noisy Conditions. IEICE Trans. Inf. Syst. 93-D(9): 2397-2406 (2010) - [j6]Alberto Yoshihiro Nakano, Seiichi Nakagawa, Kazumasa Yamamoto:
Distant Speech Recognition Using a Microphone Array Network. IEICE Trans. Inf. Syst. 93-D(9): 2451-2462 (2010) - [c23]Satoshi Tamura, Chiyomi Miyajima, Norihide Kitaoka, Takeshi Yamada, Satoru Tsuge, Tetsuya Takiguchi, Kazumasa Yamamoto, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Masakiyo Fujimoto, Shigeki Matsuda, Tetsuji Ogawa, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura:
CENSREC-1-AV: an audio-visual corpus for noisy bimodal speech recognition. AVSP 2010: 6 - [c22]Longbiao Wang, Kazue Minami, Kazumasa Yamamoto, Seiichi Nakagawa:
Speaker identification by combining MFCC and phase information in noisy environments. ICASSP 2010: 4502-4505 - [c21]Kazumasa Yamamoto, Eiichi Sueyoshi, Seiichi Nakagawa:
Speech recognition using long-term phase information. INTERSPEECH 2010: 1189-1192 - [c20]Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Improving the readability of class lecture ASR results using a confusion network. INTERSPEECH 2010: 3078-3081 - [c19]Kazumasa Yamamoto, Seiichi Nakagawa:
Evaluation of Privacy Protection Techniques for Speech Signals. IPMU (2) 2010: 653-662 - [c18]Keisuke Iwami, Yasuhisa Fujii, Kazumasa Yamamoto, Seiichi Nakagawa:
Out-of-vocabulary term detection by n-gram array with distance from continuous syllable recognition results. SLT 2010: 212-217
2000 – 2009
- 2009
- [c17]Kazumasa Yamamoto, Seiichi Nakagawa:
Privacy Protection for Speech Information. IAS 2009: 717-720 - [c16]Alberto Yoshihiro Nakano, Seiichi Nakagawa, Kazumasa Yamamoto:
Estimating the position and orientation of an acoustic source with a microphone array network. INTERSPEECH 2009: 1127-1130 - 2008
- [c15]Masato Nakayama, Takanobu Nishiura, Yuki Denda, Norihide Kitaoka, Kazumasa Yamamoto, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajima, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Tetsuji Ogawa, Shigeki Matsuda, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura:
CENSREC-4: development of evaluation framework for distant-talking speech recognition under reverberant environments. INTERSPEECH 2008: 968-971 - [c14]Satoru Kogure, Hiromitsu Nishizaki, Masatoshi Tsuchiya, Kazumasa Yamamoto, Shingo Togashi, Seiichi Nakagawa:
Speech recognition performance of CJLC: corpus of Japanese lecture contents. INTERSPEECH 2008: 1554-1557 - [c13]Yasuhisa Fujii, Kazumasa Yamamoto, Norihide Kitaoka, Seiichi Nakagawa:
Class lecture summarization taking into account consecutiveness of important sentences. INTERSPEECH 2008: 2438-2441 - [c12]Takanobu Nishiura, Masato Nakayama, Yuki Denda, Norihide Kitaoka, Kazumasa Yamamoto, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajima, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura:
Evaluation Framework for Distant-talking Speech Recognition under Reverberant Environments: newest Part of the CENSREC Series -. LREC 2008 - 2007
- [j5]Md. Babul Islam, Kazumasa Yamamoto, Hiroshi Matsumoto:
Mel-Wiener Filter for Mel-LPC Based Speech Recognition. IEICE Trans. Inf. Syst. 90-D(6): 935-942 (2007) - [c11]Norihide Kitaoka, Kazumasa Yamamoto, Tomohiro Kusamizu, Seiichi Nakagawa, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajima, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura:
Development of VAD evaluation framework CENSREC-1-C and investigation of relationship between VAD and speech recognition performance. ASRU 2007: 607-612 - 2006
- [c10]Md. Babul Islam, Hiroshi Matsumoto, Kazumasa Yamamoto:
An improved mel-wiener filter for mel-LPC based speech recognition. INTERSPEECH 2006 - 2005
- [j4]Satoshi Nakamura, Kazuya Takeda, Kazumasa Yamamoto, Takeshi Yamada, Shingo Kuroiwa, Norihide Kitaoka, Takanobu Nishiura, Akira Sasou, Mitsunori Mizumachi, Chiyomi Miyajima, Masakiyo Fujimoto, Toshiki Endo:
AURORA-2J: An Evaluation Framework for Japanese Noisy Speech Recognition. IEICE Trans. Inf. Syst. 88-D(3): 535-544 (2005) - [c9]Masakiyo Fujimoto, Satoshi Nakamura, Toshiki Endo, Kazuya Takeda, Chiyomi Miyajima, Shingo Kuroiwa, Takeshi Yamada, Norihide Kitaoka, Kazumasa Yamamoto, Mitsunori Mizumachi, Takanobu Nishiura, Akira Sasou:
CENSREC-3: Data Collection for In-Car Speech Recognition and Its Common Evaluation Framework. ICDE Workshops 2005: 1208 - 2003
- [c8]Takeshi Yamada, Jiro Okada, Kazuya Takeda, Norihide Kitaoka, Masakiyo Fujimoto, Shingo Kuroiwa, Kazumasa Yamamoto, Takanobu Nishiura, Mitsunori Mizumachi, Satoshi Nakamura:
Integration of noise reduction algorithms for Aurora2 task. INTERSPEECH 2003: 1769-1772 - 2002
- [j3]Kazumasa Yamamoto, Seiichi Nakagawa:
Differences of speech rate, interphoneme distance and likelihood caused by speaking style, their relationship, and recognition performance. Syst. Comput. Jpn. 33(7): 50-60 (2002) - [j2]Kazumasa Yamamoto, Seiichi Nakagawa:
Speech recognition under noisy environments using segmental unit input HMM. Syst. Comput. Jpn. 33(8): 111-120 (2002) - 2001
- [c7]Hiroshi Matsumoto, Akihiko Shimizu, Kazumasa Yamamoto:
Evaluation of a generalized dynamic cepstrum in distant speech recognition. INTERSPEECH 2001: 881-884 - 2000
- [c6]Yoshihiro Ito, Hiroshi Matsumoto, Kazumasa Yamamoto:
Forward masking on a generalized logarithmic scale for robust speech recognition. INTERSPEECH 2000: 530-533 - [c5]Kazumasa Yamamoto, Seiichi Nakagawa:
Relationship among speaking style, inter-phoneme's distance and speech recognition performance. INTERSPEECH 2000: 859-862
1990 – 1999
- 1999
- [c4]Kazumasa Yamamoto, Seiichi Nakagawa:
HMM composition of segmental unit input HMM for noisy speech recognition. EUROSPEECH 1999: 2865-2868 - 1998
- [c3]Kengo Hanai, Kazumasa Yamamoto, Nobuaki Minematsu, Seiichi Nakagawa:
Continuous speech recognition using segmental unit input HMMs with a mixture of probability density functions and context dependency. ICSLP 1998 - 1997
- [j1]Seiichi Nakagawa, Kazumasa Yamamoto:
Speech recognition using hidden Markov models based on segmental statistics. Syst. Comput. Jpn. 28(7): 31-38 (1997) - 1996
- [c2]Seiichi Nakagawa, Kazumasa Yamamoto:
Evaluation of segmental unit input HMM. ICASSP 1996: 439-442 - 1995
- [c1]Kazumasa Yamamoto, Seiichi Nakagawa:
Comparative evaluation of segmental unit input HMM and conditional density HMM. EUROSPEECH 1995: 1615-1618
Coauthor Index
[c59] [c58] [c55] [c53] [j13] [c52] [c51] [c50] [c49] [c48] [c47] [c46] [c45] [c44] [c43] [c42] [c41] [c40] [j12] [c39] [c38] [j10] [c37] [c36] [c34] [c33] [j9] [j8] [c32] [c30] [c29] [c27] [c26] [c25] [c24] [j7] [j6] [c22] [c21] [c20] [c19] [c18] [c17] [c16] [c14] [c13] [c11] [j3] [j2] [c5] [c4] [c3] [j1] [c2] [c1]
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