Hiroshi Sawada

ORCID

Publication Activity (10 Years)

Years Active: 1991-2024
Publications (10 Years): 49

Top Venues

CoRR

IEEE ACM Trans. Audio Speech Lang. Process.

ICASSP

EUSIPCO

Publications

Kenta Niwa, Hiro Ishii, Hiroshi Sawada, Akinori Fujino, Noboru Harada, Rio Yokota
Natural Gradient Primal-Dual Method for Decentralized Learning. IEEE Trans. Signal Inf. Process. over Networks 10 (2024)
Hitoshi Shimizu, Hirohiko Suwa, Tomoharu Iwata, Akinori Fujino, Hiroshi Sawada, Keiichi Yasumoto
School Families: A New Formulation of School District Planning Problem. HICSS (2023)
Hiroshi Sawada, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani
Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined Blind Source Separation and Dereverberation. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Yusuke Yashiro, Michitaka Yamamoto, Yoshihiro Muneta, Hiroshi Sawada, Reina Nishiura, Shozo Arai, Seiichi Takamatsu, Toshihiro Itoh
Comparative Studies on Electrodes for Rumen Bacteria Microbial Fuel Cells. Sensors 23 (8) (2023)
Kenta Niwa, Naonori Ueda, Hiroshi Sawada, Akinori Fujino, Shoichiro Takeda, Guoqiang Zhang, W. Bastiaan Kleijn
CoordiNet: Constrained Dynamics Learning for State Coordination Over Graph. IEEE Trans. Signal Inf. Process. over Networks 9 (2023)
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Naoyuki Kamo, Shoko Araki
Switching Independent Vector Analysis and its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithms. IEEE ACM Trans. Audio Speech Lang. Process. 30 (2022)
Hiroshi Sawada, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani
Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined BSS in Reverberant Environments. ICASSP (2022)
Hitoshi Shimizu, Hirohiko Suwa, Tomoharu Iwata, Akinori Fujino, Hiroshi Sawada, Keiichi Yasumoto
Evacuation Shelter Scheduling Problem. HICSS (2022)
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
Blind and Neural Network-Guided Convolutional Beamformer for Joint Denoising, Dereverberation, and Source Separation. ICASSP (2021)
Kenta Niwa, Guoqiang Zhang, W. Bastiaan Kleijn, Noboru Harada, Hiroshi Sawada, Akinori Fujino
Asynchronous Decentralized Optimization With Implicit Stochastic Variance Reduction. ICML (2021)
Hitoshi Shimizu, Hirohiko Suwa, Tomoharu Iwata, Akinori Fujino, Hiroshi Sawada, Keiichi Yasumoto
Evacuation Shelter Scheduling Problem. CoRR (2021)
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter. CoRR (2021)
Tomohiro Nakatani, Rintaro Ikeshita, Naoyuki Kamo, Keisuke Kinoshita, Shoko Araki, Hiroshi Sawada
Switching Convolutional Beamformer. EUSIPCO (2021)
Kazuo Aoyama, Hiroshi Sawada
Acceleration Method for Learning Fine-Layered Optical Neural Networks. ICCAD (2021)
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Naoyuki Kamo, Shoko Araki
Switching Independent Vector Analysis and Its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithm. CoRR (2021)
Kazuo Aoyama, Hiroshi Sawada
Acceleration Method for Learning Fine-Layered Optical Neural Networks. CoRR (2021)
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
Blind and neural network-guided convolutional beamformer for joint denoising, dereverberation, and source separation. CoRR (2021)
Hitoshi Shimizu, Tatsushi Matsubayashi, Akinori Fujino, Hiroshi Sawada
Theme Park Simulation based on Questionnaires for Maximizing Visitor Surplus. AAMAS (2020)
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
Computationally Efficient and Versatile Framework for Joint Optimization of Blind Speech Separation and Dereverberation. INTERSPEECH (2020)
Tsunehiro Arimoto, Ryuichiro Higashinaka, Kou Tanaka, Takahito Kawanishi, Hiroaki Sugiyama, Hiroshi Sawada, Hiroshi Ishiguro
Collection and Analysis of Dialogues Provided by Two Speakers Acting as One. SIGdial (2020)
Satoru Emura, Hiroshi Sawada, Shoko Araki, Noboru Harada
Multi-Delay Sparse Approach to Residual Crosstalk Reduction for Blind Source Separation. IEEE Signal Process. Lett. 27 (2020)
Satoru Emura, Hiroshi Sawada, Shoko Araki, Noboru Harada
A Frequency-Domain BSS Method Based on ℓ1 Norm, Unitary Constraint, and Cayley Transform. ICASSP (2020)
Hiroshi Sawada, Rintaro Ikeshita, Tomohiro Nakatani
Experimental Analysis of EM and MU Algorithms for Optimizing Full-rank Spatial Covariance Model. EUSIPCO (2020)
Hiroshi Sawada, Kazuo Aoyama
Similarity Search-based Blind Source Separation. ICASSP (2019)
Tomohiro Nakatani, Keisuke Kinoshita, Rintaro Ikeshita, Hiroshi Sawada, Shoko Araki
Simultaneous Denoising, Dereverberation, and Source Separation Using a Unified Convolutional Beamformer. WASPAA (2019)
Takuma Otsuka, Hitoshi Shimizu, Tomoharu Iwata, Futoshi Naya, Hiroshi Sawada, Naonori Ueda
Bayesian Optimization for Crowd Traffic Control Using Multi-Agent Simulation. ITSC (2019)
Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
Learning of Nonnegative Matrix Factorization Models for Inconsistent Resolution Dataset Analysis. IEICE Trans. Inf. Syst. (4) (2019)
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
Independent Low-Rank Matrix Analysis with Decorrelation Learning. WASPAA (2019)
Hiroshi Sawada, Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani
Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis. EUSIPCO (2019)
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint. EUSIPCO (2019)
Antoine Rolet, Vivien Seguy, Mathieu Blondel, Hiroshi Sawada
Blind Source Separation with Optimal Transport Non-negative Matrix Factorization. CoRR (2018)
Hiroshi Sawada
Blind Signal Separation by Synchronized Joint Diagonalization. LVA/ICA (2018)
Hitoshi Shimizu, Tatsushi Matsubayashi, Yusuke Tanaka, Tomoharu Iwata, Naonori Ueda, Hiroshi Sawada
Improving Route Traffic Estimation by Considering Staying Population. PRIMA (2018)
Takayuki Suyama, Yasue Kishino, Yoshinari Shirai, Shin Mizutani, Hiroshi Sawada
Interpolation of Missing Data in Sensor Networks Using Nonnegative Matrix Factorization. UbiComp/ISWC Adjunct (2018)
Tomoharu Iwata, Takuma Otsuka, Hitoshi Shimizu, Hiroshi Sawada, Futoshi Naya, Naonori Ueda
Finding Appropriate Traffic Regulations via Graph Convolutional Networks. CoRR (2018)
Antoine Rolet, Vivien Seguy, Mathieu Blondel, Hiroshi Sawada
Blind source separation with optimal transport non-negative matrix factorization. EURASIP J. Adv. Signal Process. 2018 (2018)
Hideaki Kim, Noriko Takaya, Hiroshi Sawada
Analyzing Temporal Dynamics of Consumer's Behavior Based on Hierarchical Time-Rescaling. IEICE Trans. Inf. Syst. (4) (2017)
Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
Generalized Inverse Reinforcement Learning with Linearly Solvable MDP. ECML/PKDD (2) (2017)
Tatsuaki Kimura, Keisuke Ishibashi, Tatsuya Mori, Hiroshi Sawada, Tsuyoshi Toyono, Ken Nishimatsu, Akio Watanabe, Akihiro Shimoda, Kohei Shiomoto
Network Event Extraction from Log Data with Nonnegative Tensor Factorization. IEICE Trans. Commun. (10) (2017)
Yuki Endo, Kyosuke Nishida, Hiroyuki Toda, Hiroshi Sawada
Predicting Destinations from Partial Trajectories Using Recurrent Neural Network. PAKDD (1) (2017)
Takuya Nishimura, Kyosuke Nishida, Hiroyuki Toda, Hiroshi Sawada
Social media knows what road it is: quantifying road characteristics with geo-tagged posts. Soc. Netw. Anal. Min. 7 (1) (2017)
Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
What-If Prediction via Inverse Reinforcement Learning. FLAIRS Conference (2017)
Daichi Kitamura, Nobutaka Ono, Hiroshi Sawada, Hirokazu Kameoka, Hiroshi Saruwatari
Determined Blind Source Separation Unifying Independent Vector Analysis and Nonnegative Matrix Factorization. IEEE ACM Trans. Audio Speech Lang. Process. 24 (9) (2016)
Yusuke Tanaka, Takeshi Kurashima, Yasuhiro Fujiwara, Tomoharu Iwata, Hiroshi Sawada
Inferring Latent Triggers of Purchases with Consideration of Social Effects and Media Advertisements. WSDM (2016)
Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
Non-negative multiple matrix factorization with Euclidean and kullback-leibler mixed divergences. ICPR (2016)
Takuya Nishimura, Kyosuke Nishida, Hiroyuki Toda, Hiroshi Sawada
How fashionable is each street?: Quantifying road characteristics using social media. ASONAM (2016)
Makoto Nakatsuji, Hiroyuki Toda, Hiroshi Sawada, Jinguang Zheng, James A. Hendler
Semantic sensitive tensor factorization. Artif. Intell. 230 (2016)
Aki Hayashi, Hirokazu Kameoka, Tatsushi Matsubayashi, Hiroshi Sawada
Non-negative periodic component analysis for music source separation. APSIPA (2016)
Daichi Kitamura, Nobutaka Ono, Hiroshi Sawada, Hirokazu Kameoka, Hiroshi Saruwatari
Efficient multichannel nonnegative matrix factorization exploiting rank-1 spatial model. ICASSP (2015)
Naonori Ueda, Futoshi Naya, Hitoshi Shimizu, Tomoharu Iwata, Maya Okawa, Hiroshi Sawada
Real-time and proactive navigation via spatio-temporal prediction. UbiComp/ISWC Adjunct (2015)
Daichi Kitamura, Nobutaka Ono, Hiroshi Sawada, Hirokazu Kameoka, Hiroshi Saruwatari
Relaxation of rank-1 spatial constraint in overdetermined blind source separation. EUSIPCO (2015)
Hengjin Tang, Tatsushi Matsubayashi, Hiroshi Sawada
Blocked Time-Step Algorithm for Accelerating k-Means and Fuzzy c-Means. SMC (2015)
Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
Probabilistic Non-negative Inconsistent-resolution Matrices Factorization. CIKM (2015)
Aki Hayashi, Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada
Regularity Measure and Influence Weight for Analysis and Visualization of Consumer's Attitude. IV (2015)
Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada, Takeshi Yamada
Cross-Domain Matching for Bag-of-Words Data via Kernel Embeddings of Latent Distributions. NIPS (2015)
Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada
Non-Linear Regression for Bag-of-Words Data via Gaussian Process Latent Variable Set Model. AAAI (2015)
Takuma Otsuka, Katsuhiko Ishiguro, Takuya Yoshioka, Hiroshi Sawada, Hiroshi G. Okuno
Multichannel sound source dereverberation and separation for arbitrary number of sources based on Bayesian nonparametrics. IEEE ACM Trans. Audio Speech Lang. Process. 22 (12) (2014)
Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada
Latent Support Measure Machines for Bag-of-Words Data Classification. NIPS (2014)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Bayesian Nonparametrics for Microphone Array Processing. IEEE ACM Trans. Audio Speech Lang. Process. 22 (2) (2014)
Takeshi Kurashima, Tomoharu Iwata, Noriko Takaya, Hiroshi Sawada
Probabilistic latent network visualization: inferring and embedding diffusion networks. KDD (2014)
Makoto Nakatsuji, Yasuhiro Fujiwara, Hiroyuki Toda, Hiroshi Sawada, Jinguang Zheng, James A. Hendler
Semantic Data Representation for Improving Tensor Factorization. AAAI (2014)
Aki Hayashi, Tatsushi Matsubayashi, Hiroshi Sawada
Regular behavior measure for location based services. WebSci (2014)
Hideaki Kim, Noriko Takaya, Hiroshi Sawada
Tracking Temporal Dynamics of Purchase Decisions via Hierarchical Time-Rescaling Model. CIKM (2014)
Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada
Collaboration on Social Media: Analyzing Successful Projects on Social Coding. CoRR (2014)
Tatsuaki Kimura, Keisuke Ishibashi, Tatsuya Mori, Hiroshi Sawada, Tsuyoshi Toyono, Ken Nishimatsu, Akio Watanabe, Akihiro Shimoda, Kohei Shiomoto
Spatio-temporal factorization of log data for understanding network events. INFOCOM (2014)
Tomohiro Warashina, Kazuo Aoyama, Hiroshi Sawada, Takashi Hattori
Efficient K-Nearest Neighbor Graph Construction Using MapReduce for Large-Scale Data Sets. IEICE Trans. Inf. Syst. (12) (2014)
Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda
Multichannel Extensions of Non-Negative Matrix Factorization With Complex-Valued Data. IEEE Trans. Speech Audio Process. 21 (5) (2013)
Mehrez Souden, Shoko Araki, Keisuke Kinoshita, Tomohiro Nakatani, Hiroshi Sawada
A Multichannel MMSE-Based Framework for Speech Source Separation and Noise Reduction. IEEE Trans. Speech Audio Process. 21 (9) (2013)
Koh Takeuchi, Katsuhiko Ishiguro, Akisato Kimura, Hiroshi Sawada
Non-Negative Multiple Matrix Factorization. IJCAI (2013)
Hiroshi Sawada
Foreword. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2013)
Jen-Tzung Chien, Hiroshi Sawada, Shoji Makino
Adaptive processing and learning for audio source separation. APSIPA (2013)
Makoto Yamada, Akisato Kimura, Futoshi Naya, Hiroshi Sawada
Change-Point Detection with Feature Selection in High-Dimensional Time-Series Data. IJCAI (2013)
Makoto Yamada, Gordon Wichern, Kazunobu Kondo, Masashi Sugiyama, Hiroshi Sawada
Noise adaptive optimization of matrix initialization for frequency-domain independent component analysis. Digit. Signal Process. 23 (1) (2013)
Takeshi Kurashima, Tomoharu Iwata, Noriko Takaya, Hiroshi Sawada
A Probabilistic Behavior Model for Discovering Unrecognized Knowledge. ICDM (2013)
Tomoharu Iwata, Hiroshi Sawada
Topic model for analyzing purchase data with price information. Data Min. Knowl. Discov. 26 (3) (2013)
Koh Takeuchi, Ryota Tomioka, Katsuhiko Ishiguro, Akisato Kimura, Hiroshi Sawada
Non-negative Multiple Tensor Factorization. ICDM (2013)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Unified auditory functions based on Bayesian topic model. IROS (2012)
Hitoshi Sakano, Tsukasa Ohashi, Akisato Kimura, Hiroshi Sawada, Katsuhiko Ishiguro
Extended Fisher Criterion Based on Auto-correlation Matrix Information. SSPR/SPR (2012)
Mehrez Souden, Shoko Araki, Keisuke Kinoshita, Tomohiro Nakatani, Hiroshi Sawada
A multichannel MMSE-based framework for joint blind source separation and noise reduction. ICASSP (2012)
Emmanuel Vincent, Shoko Araki, Fabian J. Theis, Guido Nolte, Pau Bofill, Hiroshi Sawada, Alexey Ozerov, Vikrham Gowreesunker, Dominik Lutter, Ngoc Q. K. Duong
The signal separation evaluation campaign (2007-2010): Achievements and remaining challenges. Signal Process. 92 (8) (2012)
Katsuhiko Ishiguro, Naonori Ueda, Hiroshi Sawada
Subset Infinite Relational Models. AISTATS (2012)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Bayesian Unification of Sound Source Localization and Separation with Permutation Resolution. AAAI (2012)
Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda
Efficient algorithms for multichannel extensions of Itakura-Saito nonnegative matrix factorization. ICASSP (2012)
Katsuhiko Ishiguro, Takeshi Yamada, Shoko Araki, Tomohiro Nakatani, Hiroshi Sawada
Probabilistic Speaker Diarization With Bag-of-Words Representations of Speaker Angle Information. IEEE Trans. Speech Audio Process. 20 (2) (2012)
Tomoharu Iwata, Shinji Watanabe, Hiroshi Sawada
Fashion Coordinates Recommender System Using Photographs from Fashion Magazines. IJCAI (2011)
Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda
Formulations and algorithms for multichannel complex NMF. ICASSP (2011)
Tomoyuki Fujino, Katsuhiko Ishiguro, Hiroshi Sawada
Logitboost Extension for Early Classification of Sequences. CAIP (1) (2011)
Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda
New formulations and efficient algorithms for multichannel NMF. WASPAA (2011)
Shoko Araki, Hiroshi Sawada, Ryo Mukai, Shoji Makino
DOA Estimation for Multiple Sparse Sources with Arbitrarily Arranged Multiple Sensors. J. Signal Process. Syst. 63 (3) (2011)
Kazuo Aoyama, Kazumi Saito, Hiroshi Sawada, Naonori Ueda
Fast approximate similarity search based on degree-reduced neighborhood graphs. KDD (2011)
Hiroshi Sawada, Shoko Araki, Shoji Makino
Underdetermined Convolutive Blind Source Separation via Frequency Bin-Wise Clustering and Permutation Alignment. IEEE Trans. Speech Audio Process. 19 (3) (2011)
Tomoharu Iwata, Daichi Mochihashi, Hiroshi Sawada
Learning Common Grammar from Multilingual Corpus. ACL (2) (2010)
Katsuhiko Ishiguro, Hiroshi Sawada, Hitoshi Sakano
Multi-class Boosting for Early Classification of Sequences. BMVC (2010)
Shoko Araki, Tomohiro Nakatani, Hiroshi Sawada
Simultaneous clustering of mixing and spectral model parameters for blind sparse source separation. ICASSP (2010)
Kazuo Aoyama, Shinji Watanabe, Hiroshi Sawada, Yasuhiro Minami, Naonori Ueda, Kazumi Saito
Fast similarity search on a large speech data set with neighborhood graph indexing. ICASSP (2010)
Hiroshi Sawada, Jani Even, Hiroshi Saruwatari, Kiyohiro Shikano, Tomoya Takatani
Improvement of speech recognition performance for spoken-oriented robot dialog system using end-fire array. IROS (2010)
Shoko Araki, Fabian J. Theis, Guido Nolte, Dominik Lutter, Alexey Ozerov, Vikrham Gowreesunker, Hiroshi Sawada, Ngoc Q. K. Duong
The 2010 Signal Separation Evaluation Campaign (SiSEC2010): Biomedical Source Separation. LVA/ICA (2010)
Shoko Araki, Alexey Ozerov, Vikrham Gowreesunker, Hiroshi Sawada, Fabian J. Theis, Guido Nolte, Dominik Lutter, Ngoc Q. K. Duong
The 2010 Signal Separation Evaluation Campaign (SiSEC2010): Audio Source Separation. LVA/ICA (2010)
Shoko Araki, Tomohiro Nakatani, Hiroshi Sawada, Shoji Makino
Blind sparse source separation for unknown number of sources using Gaussian mixture model fitting with Dirichlet prior. ICASSP (2009)

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Publication Activity (10 Years)

Top Topics

Top Venues

Hiroshi Sawada