Masahito Togami

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 49

Top Topics

Compressive Sensing

Source Separation

Variational Bayes

Top Venues

Publications

Karim Helwani, Masahito Togami, Paris Smaragdis, Michael M. Goodwin
Sound Source Separation Using Latent Variational Block-Wise Disentanglement. CoRR (2024)
Masahito Togami, Jean-Marc Valin, Karim Helwani, Ritwik Giri, Umut Isik, Michael M. Goodwin
Real-Time Stereo Speech Enhancement with Spatial-Cue Preservation Based on Dual-Path Structure. ICASSP (2024)
Yicheng Du, Robin Scheibler, Masahito Togami, Kazuyoshi Yoshii, Tatsuya Kawahara
Computationally-Efficient Overdetermined Blind Source Separation Based on Iterative Source Steering. IEEE Signal Process. Lett. 29 (2022)
Robin Scheibler, Masahito Togami
Surrogate Source Model Learning for Determined Source Separation. ICASSP (2021)
Taishi Nakashima, Robin Scheibler, Masahito Togami, Nobutaka Ono
Joint Dereverberation and Separation With Iterative Source Steering. ICASSP (2021)
Robin Scheibler, Tatsuya Komatsu, Masahito Togami
Multichannel Separation and Classification of Sound Events. EUSIPCO (2021)
Masahito Togami, Robin Scheibler
Sound Source Localization with Majorization Minimization. Interspeech (2021)
Robin Scheibler, Masahito Togami
Refinement of Direction of Arrival Estimators by Majorization-Minimization Optimization on the Array Manifold. CoRR (2021)
Robin Scheibler, Masahito Togami
Refinement of Direction of Arrival Estimators by Majorization-Minimization Optimization on the Array Manifold. ICASSP (2021)
Masahito Togami, Robin Scheibler
Over-Determined Semi-Blind Speech Source Separation. APSIPA ASC (2021)
Yusuke Kida, Tatsuya Komatsu, Masahito Togami
Label-Synchronous Speech-to-Text Alignment for ASR Using Forward and Backward Transformers. CoRR (2021)
Taishi Nakashima, Robin Scheibler, Masahito Togami, Nobutaka Ono
Joint Dereverberation and Separation with Iterative Source Steering. CoRR (2021)
Masahito Togami
End To End Learning For Convolutive Multi-Channel Wiener Filtering. ICASSP (2021)
Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi
Efficient and Stable Adversarial Learning Using Unpaired Data for Unsupervised Multichannel Speech Separation. Interspeech (2021)
Robin Scheibler, Masahito Togami
Surrogate Source Model Learning for Determined Source Separation. CoRR (2020)
Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi
Mentoring-Reverse Mentoring for Unsupervised Multi-Channel Speech Source Separation. INTERSPEECH (2020)
Tatsuya Komatsu, Keisuke Imoto, Masahito Togami
Scene-Dependent Acoustic Event Detection with Scene Conditioning and Fake-Scene-Conditioned Loss. ICASSP (2020)
Masaya Wake, Masahito Togami, Kazuyoshi Yoshii, Tatsuya Kawahara
Integration of Semi-Blind Speech Source Separation and Voice Activity Detection for Flexible Spoken Dialogue. APSIPA (2020)
Masahito Togami, Robin Scheibler
Over-determined Speech Source Separation and Dereverberation. APSIPA (2020)
Saori Takeyama, Tatsuya Komatsu, Koichi Miyazaki, Masahito Togami, Shunsuke Ono
Robust Acoustic Scene Classification to Multiple Devices Using Maximum Classifier Discrepancy and Knowledge Distillation. EUSIPCO (2020)
Tatsuya Komatsu, Masahito Togami, Tsubasa Takahashi
Sound Event Localization and Detection Using Convolutional Recurrent Neural Networks and Gated Linear Units. EUSIPCO (2020)
Masahito Togami
Multi-Channel Speech Source Separation and Dereverberation With Sequential Integration of Determined and Underdetermined Models. ICASSP (2020)
Masahito Togami
Deep Multi-channel Speech Source Separation with Time-frequency Masking for Spatially Filtered Microphone Input Signal. EUSIPCO (2020)
Masahito Togami, Robin Scheibler
Sparseness-Aware DOA Estimation with Majorization Minimization. INTERSPEECH (2020)
Masahito Togami, Yoshiki Masuyama, Tatsuya Komatsu, Kazuyoshi Yoshii, Tatsuya Kawahara
Computer-Resource-Aware Deep Speech Separation with a Run-Time-Specified Number of BLSTM Layers. APSIPA (2020)
Masahito Togami
Joint Training of Deep Neural Networks for Multi-Channel Dereverberation and Speech Source Separation. ICASSP (2020)
Yoshiki Masuyama, Masahito Togami, Tatsuya Komatsu
Consistency-Aware Multi-Channel Speech Enhancement Using Deep Neural Networks. ICASSP (2020)
Masahito Togami, Yoshiki Masuyama, Tatsuya Komatsu, Yu Nakagome
Unsupervised Training for Deep Speech Source Separation with Kullback-Leibler Divergence Based Probabilistic Loss Function. ICASSP (2020)
Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi
Deep Speech Extraction with Time-Varying Spatial Filtering Guided By Desired Direction Attractor. ICASSP (2020)
Yoshiki Masuyama, Masahito Togami, Tatsuya Komatsu
Consistency-aware multi-channel speech enhancement using deep neural networks. CoRR (2020)
Masahito Togami
Multi-channel Itakura Saito Distance Minimization with Deep Neural Network. ICASSP (2019)
Masahito Togami
Simultaneous Optimization of Forgetting Factor and Time-frequency Mask for Block Online Multi-channel Speech Enhancement. ICASSP (2019)
Masahito Togami, Tatsuya Komatsu
Fast Convergence Algorithm for State-Space Model Based Speech Dereverberation by Multi-Channel Non-Negative Matrix Factorization. WASPAA (2019)
Yoshiki Masuyama, Masahito Togami, Tatsuya Komatsu
Multichannel Loss Function for Supervised Speech Source Separation by Mask-based Beamforming. CoRR (2019)
Masahito Togami, Yoshiki Masuyama, Tatsuya Komatsu, Yu Nakagome
Unsupervised Training for Deep Speech Source Separation with Kullback-Leibler Divergence Based Probabilistic Loss Function. CoRR (2019)
Masahito Togami, Tatsuya Komatsu
Variational Bayesian Multi-Channel Speech Dereverberation Under Noisy Environments with Probabilistic Convolutive Transfer Function. INTERSPEECH (2019)
Yoshiki Masuyama, Masahito Togami, Tatsuya Komatsu
Multichannel Loss Function for Supervised Speech Source Separation by Mask-Based Beamforming. INTERSPEECH (2019)
Masahito Togami
Spatial Constraint on Multi-channel Deep Clustering. ICASSP (2019)
Takeshi Homma, Adriano S. Arantes, Maria Teresa Gonzalez Diaz, Masahito Togami
Maximizing SLU Performance with Minimal Training Data Using Hybrid RNN Plus Rule-based Approach. SIGDIAL Conference (2018)
Rintaro Ikeshita, Masahito Togami, Yohei Kawaguchi, Yusuke Fujita, Kenji Nagamatsu
Local Gaussian model with source-set constraints in audio source separation. MLSP (2017)
Sandra Ramaswami, Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
ADMM-based audio reconstruction for low-cost-sound-monitoring. EUSIPCO (2017)
Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
Time-domain subsampling and reconstruction for microphone array. APSIPA (2017)
Rintaro Ikeshita, Yohei Kawaguchi, Masahito Togami, Yusuke Fujita, Kenji Nagamatsu
Independent vector analysis with frequency range division and prior switching. EUSIPCO (2017)
Ryoichi Takashima, Yohei Kawaguchi, Qinghua Sun, Takashi Sumiyoshi, Masahito Togami
An application of noise-robust speech translation using asynchronous smart devices. APSIPA (2017)
Ryoichi Takashima, Yohei Kawaguchi, Masahito Togami
Separation of vibration-derived sound signals based on fusion processing of vibration sensors and microphones. EUSIPCO (2017)
Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Masahito Togami
Data Augmentation Using Multi-Input Multi-Output Source Separation for Deep Neural Network Based Acoustic Modeling. INTERSPEECH (2016)
Yohei Kawaguchi, Masahito Togami
Adaptive boolean compressive sensing by sequential pool-design. APSIPA (2016)
Masahito Togami, Ryoichi Takashima, Yusuke Fujita
Solving permutation problem with a cascade combination of phase difference entropy and power spectral correlation. IWAENC (2016)
Yohei Kawaguchi, Masahito Togami
Adaptive Boolean compressive sensing by using multi-armed bandit. ICASSP (2016)
Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Rintaro Ikeshita, Yohei Kawaguchi, Takashi Sumiyoshi, Takashi Endo, Masahito Togami
Unified ASR system using LGM-based source separation, noise-robust feature extraction, and word hypothesis selection. ASRU (2015)
Yohei Kawaguchi, Masahito Togami, Hisashi Nagano, Yuichiro Hashimoto, Masuyuki Sugiyama, Yasuaki Takada
Separation of Mass Spectra Based on Probabilistic Latent Component Analysis for Explosives Detection. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2015)
Masahito Togami
Variational Bayes state space model for acoustic echo reduction and dereverberation. ICASSP (2015)
Yohei Kawaguchi, Tatsuhiko Osa, Hisashi Nagano, Masahito Togami
Improvement of robustness to change of positive elements in boolean compressive sensing. EUSIPCO (2015)
Yohei Kawaguchi, Masahito Togami, Hisashi Nagano, Yuichiro Hashimoto, Masuyuki Sugiyama, Yasuaki Takada
Mass Spectra Separation for Explosives Detection by Using an Attenuation Model. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2015)
Masahito Togami
Multichannel online speech dereverberation under noisy environments. EUSIPCO (2015)
Masahito Togami, Yohei Kawaguchi, Ryoichi Takashima
Frequency domain acoustic echo reduction based on Kalman smoother with time-varying noise covariance matrix. ICASSP (2014)
Yohei Kawaguchi, Tatsuhiko Osa, Shubhranshu Barnwal, Hisashi Nagano, Masahito Togami
Information-based pool size control of Boolean compressive sensing for adaptive group testing. EUSIPCO (2014)
Masahito Togami, Yohei Kawaguchi
Simultaneous Optimization of Acoustic Echo Reduction, Speech Dereverberation, and Noise Reduction against Mutual Interference. IEEE ACM Trans. Audio Speech Lang. Process. 22 (11) (2014)
Masahito Togami, Yohei Kawaguchi, Yasunari Obuchi
Multichannel Two-Stage Beamforming with Unconstrained Beamformer and Distortion Reduction. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2013)
Masahito Togami, Yohei Kawaguchi
Noise robust speech dereverberation with Kalman smoother. ICASSP (2013)
Yohei Kawaguchi, Masahito Togami, Hisashi Nagano, Yuichiro Hashimoto, Masuyuki Sugiyama, Yasuaki Takada
Mass spectra separation for explosives detection by using PLCA with an attenuation model. EUSIPCO (2013)
Yohei Kawaguchi, Masahito Togami, Hisashi Nagano, Yuichiro Hashimoto, Masuyuki Sugiyama, Yasuaki Takada
ICA-based acceleration of probabilistic latent component analysis for mass spectrometry-based explosives detection. ICASSP (2013)
Masahito Togami, Yohei Kawaguchi, Ryu Takeda, Yasunari Obuchi, Nobuo Nukaga
Optimized Speech Dereverberation From Probabilistic Perspective for Time Varying Acoustic Transfer Function. IEEE Trans. Speech Audio Process. 21 (7) (2013)
Yohei Kawaguchi, Masahito Togami, Hisashi Nagano, Yuichiro Hashimoto, Masuyuki Sugiyama, Yasuaki Takada
Mass spectra separation for explosives detection by using probabilistic latent component analysis. ICASSP (2012)
Masahito Togami, Yohei Kawaguchi, Ryu Takeda, Yasunari Obuchi, Nobuo Nukaga
Multichannel speech dereverberation and separation with optimized combination of linear and non-linear filtering. ICASSP (2012)
Masahito Togami, Yohei Kawaguchi, Nobuo Nukaga, Yasunari Obuchi
Online mvbf adaptation under diffuse noise environments with mimo based noise pre-filtering. ISSPA (2012)
Masahito Togami, Yohei Kawaguchi
Speech enhancement combined with dereverberation and acoustic echo reduction for time varying systems. SSP (2012)
Yohei Kawaguchi, Masahito Togami
Conversation clustering based on PLCA using within-cluster sparsity constraints. EUSIPCO (2012)
Yasunari Obuchi, Ryu Takeda, Masahito Togami
Bidirectional OM-LSA speech estimator for noise robust speech recognition. ASRU (2011)
Takashi Sumiyoshi, Masahito Togami, Yasunari Obuchi
ASR for Human-Symbiotic Robot "EMIEW2" with Mechanical Noise and Floor-Level Noise Reduction. INTERSPEECH (2011)
Masahito Togami, Koichi Hori
Multichannel semi-blind source separation via local Gaussian modeling for acoustic echo reduction. EUSIPCO (2011)
Masahito Togami
Online speech source separation based on maximum likelihood of local Gaussian modeling. ICASSP (2011)
Yohei Kawaguchi, Masahito Togami
Soft masking based adaptation for time-frequency beamformers under reverberant and background noise environments. EUSIPCO (2010)
Masahito Togami, Yohei Kawaguchi
A two-stage multichannel acoustic noise reduction under reverberant environments. EUSIPCO (2010)
Masahito Togami, Takashi Sumiyoshi, Yasunari Obuchi, Yohei Kawaguchi, Hiroaki Kokubo
Beamforming array technique with clustered multichannel noise covariance matrix for mechanical noise reduction. EUSIPCO (2010)
Yohei Kawaguchi, Masahito Togami, Yasunari Obuchi
Turn taking-based conversation detection by using DOA estimation. INTERSPEECH (2010)
Masahito Togami, Koichi Hori
Online speech source separation in meeting scene with time-varying weights of noise covariance matrices. SAPA@INTERSPEECH (2010)
Masahito Togami, Yohei Kawaguchi
Head orientation estimation of a speaker by utilizing kurtosis of a DOA histogram with restoration of distance effect. ICASSP (2010)
Masahito Togami, Yohei Kawaguchi, Yasunari Obuchi
Subband nonstationary noise reduction based on multichannel spatial prediction under reverberant environments. ICASSP (2009)
Masahito Togami, Yohei Kawaguchi, Hiroaki Kokubo, Yasunari Obuchi
Subband beamformer combined with time-frequency ICA for extraction of target source under reverberant environments. EUSIPCO (2009)
Masahito Togami, Akio Amano, Takashi Sumiyoshi, Yasunari Obuchi
DOA estimation method based on sparseness of speech sources for human symbiotic robots. ICASSP (2009)
Yasunari Obuchi, Masahito Togami, Takashi Sumiyoshi
Intentional voice command detection for completely hands-free speech interface in home environments. INTERSPEECH (2008)
Masahito Togami, Yasunari Obuchi
Stepwise Phase Difference Restoration Method for DOA Estimation of Multiple Sources. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2008)
Masahito Togami, Takashi Sumiyoshi, Akio Amano
Stepwise Phase Difference Restoration Method for Sound Source Localization using Multiple Microphone Pairs. ICASSP (1) (2007)
Yuji Hosoda, Saku Egawa, Junichi Tamamoto, Kenjiro Yamamoto, Ryousuke Nakamura, Masahito Togami
Development of Human-Symbiotic Robot "EMIEW" - Design Concept and System Construction -. J. Robotics Mechatronics 18 (2) (2006)
Yuji Hosoda, Saku Egawa, Junichi Tamamoto, Kenjiro Yamamoto, Ryousuke Nakamura, Masahito Togami
Basic Design of Human-Symbiotic Robot EMIEW. IROS (2006)
Takehisa Yairi, Masahito Togami, Koichi Hori
Learning Topological Structures of POMDP-based State Transition Models by State Splitting Method. Applied Informatics (2003)
Takehisa Yairi, Masahito Togami, Koichi Hori
Learning Topological Maps from Sequential Observation and Action Data under Partially Observable Environment. PRICAI (2002)