Masakiyo Fujimoto

Publication Activity (10 Years)

Years Active: 2000-2021
Publications (10 Years): 15

Top Topics

Speech Recognition

Spectral Features

Noise Reduction

Top Venues

EURASIP J. Audio Speech Music. Process.

Publications

Masakiyo Fujimoto, Hisashi Kawai
Noise Robust Acoustic Modeling for Single-Channel Speech Recognition Based on a Stream-Wise Transformer Architecture. Interspeech (2021)
Masakiyo Fujimoto, Hisashi Kawai
One-Pass Single-Channel Noisy Speech Recognition Using a Combination of Noisy and Enhanced Features. INTERSPEECH (2019)
Masakiyo Fujimoto, Hisashi Kawai
Comparative Evaluations of Various Factored Deep Convolutional Rnn Architectures for Noise Robust Speech Recognition. ICASSP (2018)
Tomoko Kawase, Kenta Niwa, Masakiyo Fujimoto, Kazunori Kobayashi, Shoko Araki, Tomohiro Nakatani
Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2017)
Masakiyo Fujimoto
Factored Deep Convolutional Neural Networks for Noise Robust Speech Recognition. INTERSPEECH (2017)
Tomoko Kawase, Kenta Niwa, Masakiyo Fujimoto, N. Kamado, Kazunori Kobayashi, Shoko Araki, Tomohiro Nakatani
Real-time integration of statistical model-based speech enhancement with unsupervised noise PSD estimation using microphone array. ICASSP (2016)
Masakiyo Fujimoto, Tomohiro Nakatani
Multi-pass feature enhancement based on generative-discriminative hybrid approach for noise robust speech recognition. ICASSP (2016)
Hendrik Meutzner, Shoko Araki, Masakiyo Fujimoto, Tomohiro Nakatani
A generative-discriminative hybrid approach to multi-channel noise reduction for robust automatic speech recognition. ICASSP (2016)
Takuya Yoshioka, Nobutaka Ito, Marc Delcroix, Atsunori Ogawa, Keisuke Kinoshita, Masakiyo Fujimoto, Chengzhu Yu, Wojciech J. Fabian, Miquel Espi, Takuya Higuchi, Shoko Araki, Tomohiro Nakatani
The NTT CHiME-3 system: Advances in speech enhancement and recognition for mobile multi-microphone devices. ASRU (2015)
Shoko Araki, Tomoki Hayashi, Marc Delcroix, Masakiyo Fujimoto, Kazuya Takeda, Tomohiro Nakatani
Exploring multi-channel features for denoising-autoencoder-based speech enhancement. ICASSP (2015)
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
Strategies for distant speech recognitionin reverberant environments. EURASIP J. Adv. Signal Process. 2015 (2015)
Miquel Espi, Masakiyo Fujimoto, Tomohiro Nakatani
Acoustic Event Detection in Speech Overlapping Scenarios Based on High-Resolution Spectral Input and Deep Learning. IEICE Trans. Inf. Syst. (10) (2015)
Miquel Espi, Masakiyo Fujimoto, Keisuke Kinoshita, Tomohiro Nakatani
Feature extraction strategies in deep learning based acoustic event detection. INTERSPEECH (2015)
Masakiyo Fujimoto, Tomohiro Nakatani
Feature enhancement based on generative-discriminative hybrid approach with gmms and DNNS for noise robust speech recognition. ICASSP (2015)
Miquel Espi, Masakiyo Fujimoto, Keisuke Kinoshita, Tomohiro Nakatani
Exploiting spectro-temporal locality in deep learning based acoustic event detection. EURASIP J. Audio Speech Music. Process. 2015 (2015)
Masakiyo Fujimoto, Yotaro Kubo, Tomohiro Nakatani
Unsupervised non-parametric Bayesian modeling of non-stationary noise for model-based noise suppression. ICASSP (2014)
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
Defeating reverberation: Advanced dereverberation and recognition techniques for hands-free speech recognition. GlobalSIP (2014)
Miquel Espi, Masakiyo Fujimoto, Yotaro Kubo, Tomohiro Nakatani
Spectrogram patch based acoustic event detection and classification in speech overlapping conditions. HSCMA (2014)
Seong-Jun Hahm, Atsunori Ogawa, Marc Delcroix, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura
Feature space variational Bayesian linear regression and its combination with model space VBLR. ICASSP (2013)
Seong-Jun Hahm, Shinji Watanabe, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura
Prior-shared feature and model space speaker adaptation by consistently employing map estimation. Speech Commun. 55 (3) (2013)
Tomohiro Nakatani, Shoko Araki, Takuya Yoshioka, Marc Delcroix, Masakiyo Fujimoto
Dominance Based Integration of Spatial and Spectral Features for Speech Enhancement. IEEE ACM Trans. Audio Speech Lang. Process. 21 (12) (2013)
Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Atsunori Ogawa, Takaaki Hori, Shinji Watanabe, Masakiyo Fujimoto, Takuya Yoshioka, Takanobu Oba, Yotaro Kubo, Mehrez Souden, Seong-Jun Hahm, Atsushi Nakamura
Speech recognition in living rooms: Integrated speech enhancement and recognition system based on spatial, spectral and temporal modeling of sounds. Comput. Speech Lang. 27 (3) (2013)
Masakiyo Fujimoto, Tomohiro Nakatani
Model-based noise suppression using unsupervised estimation of hidden Markov model for non-stationary noise. INTERSPEECH (2013)
Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato
Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera. IEEE Trans. Speech Audio Process. 20 (2) (2012)
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani
Noise suppression with unsupervised joint speaker adaptation and noise mixture model estimation. ICASSP (2012)
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani
Frame-wise model re-estimation method based on Gaussian pruning with weight normalization for noise robust voice activity detection. Speech Commun. 54 (2) (2012)
Tomohiro Nakatani, Takuya Yoshioka, Shoko Araki, Marc Delcroix, Masakiyo Fujimoto
LogMax observation model with MFCC-based spectral prior for reduction of highly nonstationary ambient noise. ICASSP (2012)
Seong-Jun Hahm, Atsunori Ogawa, Masakiyo Fujimoto, Takaaki Hori, Atsushi Nakamura
Speaker Adaptation Using Variational Bayesian Linear Regression in Normalized Feature Space. INTERSPEECH (2012)
Miquel Espi, Masakiyo Fujimoto, Daisuke Saito, Nobutaka Ono, Shigeki Sagayama
A tandem connectionist model using combination of multi-scale spectro-temporal features for acoustic event detection. ICASSP (2012)
Tomohiro Nakatani, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto
Joint unsupervised learning of hidden Markov source models and source location models for multichannel source separation. ICASSP (2011)
Tomohiro Nakatani, Shoko Araki, Marc Delcroix, Takuya Yoshioka, Masakiyo Fujimoto
Reduction of Highly Nonstationary Ambient Noise by Integrating Spectral and Locational Characteristics of Speech and Noise for Robust ASR. INTERSPEECH (2011)
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani
A Robust Estimation Method of Noise Mixture Model for Noise Suppression. INTERSPEECH (2011)
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani
Non-stationary noise estimation method based on bias-residual component decomposition for robust speech recognition. ICASSP (2011)
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani
Voice activity detection using frame-wise model re-estimation method based on Gaussian pruning with weight normalization. INTERSPEECH (2010)
Kentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki
Noise robust voice activity detection based on periodic to aperiodic component ratio. Speech Commun. 52 (1) (2010)
Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato
Real-time meeting recognition and understanding using distant microphones and omni-directional camera. SLT (2010)
Tomohiro Nakatani, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto
Multichannel source separation based on source location cue with log-spectral shaping by hidden Markov source model. INTERSPEECH (2010)
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)
Kentaro Ishizuka, Shoko Araki, Kazuhiro Otsuka, Tomohiro Nakatani, Masakiyo Fujimoto
A speaker diarization method based on the probabilistic fusion of audio-visual location information. ICMI (2009)
Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani
A study of mutual front-end processing method based on statistical model for noise robust speech recognition. INTERSPEECH (2009)
Kazuhiro Otsuka, Shoko Araki, Dan Mikami, Kentaro Ishizuka, Masakiyo Fujimoto, Junji Yamato
Realtime meeting analysis and 3D meeting viewer based on omnidirectional multimodal sensors. ICMI (2009)
Kazuhiro Otsuka, Shoko Araki, Kentaro Ishizuka, Masakiyo Fujimoto, Martin Heinrich, Junji Yamato
A realtime multimodal system for analyzing group meetings by combining face pose tracking and speaker diarization. ICMI (2008)
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)
Hiroko Kato Solvang, Kentaro Ishizuka, Masakiyo Fujimoto
Voice activity detection based on adjustable linear prediction and GARCH models. Speech Commun. 50 (6) (2008)
Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani
Study of integration of statistical model-based voice activity detection and noise suppression. INTERSPEECH (2008)
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)
Masakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani
A voice activity detection based on the adaptive integration of multiple speech features and a signal decision scheme. ICASSP (2008)
Masakiyo Fujimoto, Kentaro Ishizuka
Noise Robust Voice Activity Detection Based on Switching Kalman Filter. IEICE Trans. Inf. Syst. (3) (2008)
Shoko Araki, Masakiyo Fujimoto, Kentaro Ishizuka, Hiroshi Sawada, Shoji Makino
Speaker indexing and speech enhancement in real meetings / conversations. ICASSP (2008)
Masakiyo Fujimoto, Kentaro Ishizuka, Hiroko Kato Solvang
Noise Robust Voice Activity Detection Based on Statistical Model and Parallel Non-Linear Kalman Filtering. ICASSP (4) (2007)
Masakiyo Fujimoto, Kentaro Ishizuka
Noise robust voice activity detection based on switching kalman filter. INTERSPEECH (2007)
Kentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki
Noise robust front-end processing with voice activity detection based on periodic to aperiodic component ratio. INTERSPEECH (2007)
Masakiyo Fujimoto, Yasuo Ariki
Combination of GMM-based speech estimation method and temporal domain SVD-based speech enhancement for noise robust speech recognition. Systems and Computers in Japan 38 (3) (2007)
Juan E. Rubio, Kentaro Ishizuka, Hiroshi Sawada, Shoko Araki, Tomohiro Nakatani, Masakiyo Fujimoto
Two-Microphone Voice Activity Detection Based on the Homogeneity of the Direction of Arrival Estimates. ICASSP (4) (2007)
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)
Masakiyo Fujimoto, Kazuya Takeda, Satoshi Nakamura
CENSREC-3: An Evaluation Framework for Japanese Speech Recognition in Real Car-Driving Environments. IEICE Trans. Inf. Syst. (11) (2006)
Masakiyo Fujimoto, Satoshi Nakamura
A Non-stationary Noise Suppression Method Based on Particle Filtering and Polyak Averaging. IEICE Trans. Inf. Syst. (3) (2006)
Satoshi Nakamura, Masakiyo Fujimoto, Kazuya Takeda
CENSREC2: corpus and evaluation environments for in car continuous digit speech recognition. INTERSPEECH (2006)
Masakiyo Fujimoto, Satoshi Nakamura
Sequential Non-Stationary Noise Tracking Using Particle Filtering with Switching Dynamical System. ICASSP (1) (2006)
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)
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. (3) (2005)
Yasuo Ariki, Jun Ogata, Masakiyo Fujimoto, Kiyoshi Tsukada
Recognition of speech from live sports coverage using acoustic and language model adaptation. Systems and Computers in Japan 36 (8) (2005)
Masakiyo Fujimoto, Satoshi Nakamura
Particle Filter Based Non-Stationary Noise Tracking for Robust Speech Recognition. ICASSP (1) (2005)
Masakiyo Fujimoto, Yasuo Ariki
Robust speech recognition in additive and channel noise environments using GMM and EM algorithm. ICASSP (1) (2004)
Masakiyo Fujimoto, Yasuo Ariki
Speech recognition in a noisy environment using a speech signal estimation method based on the Kalman filter. Systems and Computers in Japan 35 (3) (2004)
Yasuo Ariki, Takeru Shigemori, Tsuyoshi Kaneko, Jun Ogata, Masakiyo Fujimoto
Live speech recognition in sports games by adaptation of acoustic model and language model. INTERSPEECH (2003)
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)
Masakiyo Fujimoto, Yasuo Ariki
Combination of temporal domain SVD based speech enhancement and GMM based speech estimation for ASR in noise - evaluation on the AURORA2 task -. INTERSPEECH (2003)
Masakiyo Fujimoto, Yasuo Ariki
Noise robust hands-free speech recognition using microphone array and Kalman filter as front-end system of conversational TV. IEEE Workshop on Multimedia Signal Processing (2002)
Masakiyo Fujimoto, Yasuo Ariki
Evaluation of noisy speech recognition based on noise reduction and acoustic model adaptation on the Aurora2 tasks. INTERSPEECH (2002)
Masakiyo Fujimoto, Yasuo Ariki
Speech recognition under musical environments using kalman filter and iterative MLLR adaptation. INTERSPEECH (2001)
Masakiyo Fujimoto, Yasuo Ariki
Continuous speech recognition under non-stationary musical environments based on speech state transition model. ICASSP (2001)
Masakiyo Fujimoto, Yasuo Ariki
Noisy speech recognition using noise reduction method based on Kalman filter. ICASSP (2000)