Hiroshi Sawada

According to our database1, Hiroshi Sawada authored at least 154 papers between 1991 and 2020.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Awards

IEEE Fellow

IEEE Fellow 2018, "For contributions to blind source separation of speech and audio signals".

Timeline

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Links

On csauthors.net:

Bibliography

2020
Theme Park Simulation based on Questionnaires for Maximizing Visitor Surplus.
Proceedings of the 19th International Conference on Autonomous Agents and Multiagent Systems, 2020

2019
Learning of Nonnegative Matrix Factorization Models for Inconsistent Resolution Dataset Analysis.
IEICE Trans. Inf. Syst., 2019

Simultaneous Denoising, Dereverberation, and Source Separation Using a Unified Convolutional Beamformer.
Proceedings of the 2019 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2019

Independent Low-Rank Matrix Analysis with Decorrelation Learning.
Proceedings of the 2019 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2019

Bayesian Optimization for Crowd Traffic Control Using Multi-Agent Simulation.
Proceedings of the 2019 IEEE Intelligent Transportation Systems Conference, 2019

Similarity Search-based Blind Source Separation.
Proceedings of the IEEE International Conference on Acoustics, 2019

Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis.
Proceedings of the 27th European Signal Processing Conference, 2019

A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint.
Proceedings of the 27th European Signal Processing Conference, 2019

2018
Blind source separation with optimal transport non-negative matrix factorization.
EURASIP J. Adv. Signal Process., 2018

Finding Appropriate Traffic Regulations via Graph Convolutional Networks.
CoRR, 2018

Improving Route Traffic Estimation by Considering Staying Population.
Proceedings of the PRIMA 2018: Principles and Practice of Multi-Agent Systems - 21st International Conference, Tokyo, Japan, October 29, 2018

Blind Signal Separation by Synchronized Joint Diagonalization.
Proceedings of the Latent Variable Analysis and Signal Separation, 2018

Interpolation of Missing Data in Sensor Networks Using Nonnegative Matrix Factorization.
Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers, 2018

2017
Social media knows what road it is: quantifying road characteristics with geo-tagged posts.
Social Netw. Analys. Mining, 2017

Network Event Extraction from Log Data with Nonnegative Tensor Factorization.
IEICE Trans. Commun., 2017

Analyzing Temporal Dynamics of Consumer's Behavior Based on Hierarchical Time-Rescaling.
IEICE Trans. Inf. Syst., 2017

Generalized Inverse Reinforcement Learning with Linearly Solvable MDP.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2017

Predicting Destinations from Partial Trajectories Using Recurrent Neural Network.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2017

What-If Prediction via Inverse Reinforcement Learning.
Proceedings of the Thirtieth International Florida Artificial Intelligence Research Society Conference, 2017

2016
Determined Blind Source Separation Unifying Independent Vector Analysis and Nonnegative Matrix Factorization.
IEEE ACM Trans. Audio Speech Lang. Process., 2016

Semantic sensitive tensor factorization.
Artif. Intell., 2016

Inferring Latent Triggers of Purchases with Consideration of Social Effects and Media Advertisements.
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, 2016

Non-negative multiple matrix factorization with Euclidean and kullback-leibler mixed divergences.
Proceedings of the 23rd International Conference on Pattern Recognition, 2016

How fashionable is each street?: Quantifying road characteristics using social media.
Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2016

Non-negative periodic component analysis for music source separation.
Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2016

2015
Blocked Time-Step Algorithm for Accelerating k-Means and Fuzzy c-Means.
Proceedings of the 2015 IEEE International Conference on Systems, 2015

Cross-Domain Matching for Bag-of-Words Data via Kernel Embeddings of Latent Distributions.
Proceedings of the Advances in Neural Information Processing Systems 28: Annual Conference on Neural Information Processing Systems 2015, 2015

Regularity Measure and Influence Weight for Analysis and Visualization of Consumer's Attitude.
Proceedings of the 19th International Conference on Information Visualisation, 2015

Efficient multichannel nonnegative matrix factorization exploiting rank-1 spatial model.
Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Real-time and proactive navigation via spatio-temporal prediction.
Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers, 2015

Relaxation of rank-1 spatial constraint in overdetermined blind source separation.
Proceedings of the 23rd European Signal Processing Conference, 2015

Probabilistic Non-negative Inconsistent-resolution Matrices Factorization.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

Non-Linear Regression for Bag-of-Words Data via Gaussian Process Latent Variable Set Model.
Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

2014
Multichannel sound source dereverberation and separation for arbitrary number of sources based on Bayesian nonparametrics.
IEEE ACM Trans. Audio Speech Lang. Process., 2014

Bayesian Nonparametrics for Microphone Array Processing.
IEEE ACM Trans. Audio Speech Lang. Process., 2014

Efficient K-Nearest Neighbor Graph Construction Using MapReduce for Large-Scale Data Sets.
IEICE Trans. Inf. Syst., 2014

Collaboration on Social Media: Analyzing Successful Projects on Social Coding.
CoRR, 2014

Regular behavior measure for location based services.
Proceedings of the ACM Web Science Conference, 2014

Latent Support Measure Machines for Bag-of-Words Data Classification.
Proceedings of the Advances in Neural Information Processing Systems 27: Annual Conference on Neural Information Processing Systems 2014, 2014

Probabilistic latent network visualization: inferring and embedding diffusion networks.
Proceedings of the 20th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2014

Spatio-temporal factorization of log data for understanding network events.
Proceedings of the 2014 IEEE Conference on Computer Communications, 2014

Tracking Temporal Dynamics of Purchase Decisions via Hierarchical Time-Rescaling Model.
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, 2014

Semantic Data Representation for Improving Tensor Factorization.
Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, 2014

2013
A Multichannel MMSE-Based Framework for Speech Source Separation and Noise Reduction.
IEEE Trans. Speech Audio Process., 2013

Multichannel Extensions of Non-Negative Matrix Factorization With Complex-Valued Data.
IEEE Trans. Speech Audio Process., 2013

Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Noise adaptive optimization of matrix initialization for frequency-domain independent component analysis.
Digit. Signal Process., 2013

Topic model for analyzing purchase data with price information.
Data Min. Knowl. Discov., 2013

Change-Point Detection with Feature Selection in High-Dimensional Time-Series Data.
Proceedings of the IJCAI 2013, 2013

Non-Negative Multiple Matrix Factorization.
Proceedings of the IJCAI 2013, 2013

Non-negative Multiple Tensor Factorization.
Proceedings of the 2013 IEEE 13th International Conference on Data Mining, 2013

A Probabilistic Behavior Model for Discovering Unrecognized Knowledge.
Proceedings of the 2013 IEEE 13th International Conference on Data Mining, 2013

Adaptive processing and learning for audio source separation.
Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2013

2012
Probabilistic Speaker Diarization With Bag-of-Words Representations of Speaker Angle Information.
IEEE Trans. Speech Audio Process., 2012

The signal separation evaluation campaign (2007-2010): Achievements and remaining challenges.
Signal Process., 2012

Subset Infinite Relational Models.
Proceedings of the Fifteenth International Conference on Artificial Intelligence and Statistics, 2012

Extended Fisher Criterion Based on Auto-correlation Matrix Information.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2012

Unified auditory functions based on Bayesian topic model.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

A multichannel MMSE-based framework for joint blind source separation and noise reduction.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Efficient algorithms for multichannel extensions of Itakura-Saito nonnegative matrix factorization.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Bayesian Unification of Sound Source Localization and Separation with Permutation Resolution.
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012

2011
DOA Estimation for Multiple Sparse Sources with Arbitrarily Arranged Multiple Sensors.
J. Signal Process. Syst., 2011

Underdetermined Convolutive Blind Source Separation via Frequency Bin-Wise Clustering and Permutation Alignment.
IEEE Trans. Speech Audio Process., 2011

New formulations and efficient algorithms for multichannel NMF.
Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2011

Fast approximate similarity search based on degree-reduced neighborhood graphs.
Proceedings of the 17th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2011

Fashion Coordinates Recommender System Using Photographs from Fashion Magazines.
Proceedings of the IJCAI 2011, 2011

Formulations and algorithms for multichannel complex NMF.
Proceedings of the IEEE International Conference on Acoustics, 2011

Logitboost Extension for Early Classification of Sequences.
Proceedings of the Computer Analysis of Images and Patterns, 2011

2010
Improvement of speech recognition performance for spoken-oriented robot dialog system using end-fire array.
Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Simultaneous clustering of mixing and spectral model parameters for blind sparse source separation.
Proceedings of the IEEE International Conference on Acoustics, 2010

Fast similarity search on a large speech data set with neighborhood graph indexing.
Proceedings of the IEEE International Conference on Acoustics, 2010

The 2010 Signal Separation Evaluation Campaign (SiSEC2010): Biomedical Source Separation.
Proceedings of the Latent Variable Analysis and Signal Separation, 2010

The 2010 Signal Separation Evaluation Campaign (SiSEC2010): Audio Source Separation.
Proceedings of the Latent Variable Analysis and Signal Separation, 2010

Multi-class Boosting for Early Classification of Sequences.
Proceedings of the British Machine Vision Conference, 2010

Learning Common Grammar from Multilingual Corpus.
Proceedings of the ACL 2010, 2010

2009
Frequency-Domain Pearson Distribution Approach for Independent Component Analysis (FD-Pearson-ICA) in Blind Source Separation.
IEEE Trans. Speech Audio Process., 2009

Semi-blind suppression of internal noise for hands-free robot spoken dialog system.
Proceedings of the 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009

Stereo Source Separation and Source Counting with MAP Estimation with Dirichlet Prior Considering Spatial Aliasing Problem.
Proceedings of the Independent Component Analysis and Signal Separation, 2009

Blind sparse source separation for unknown number of sources using Gaussian mixture model fitting with Dirichlet prior.
Proceedings of the IEEE International Conference on Acoustics, 2009

2008
Speaker indexing and speech enhancement in real meetings / conversations.
Proceedings of the IEEE International Conference on Acoustics, 2008

2007
Grouping Separated Frequency Components by Estimating Propagation Model Parameters in Frequency-Domain Blind Source Separation.
IEEE Trans. Speech Audio Process., 2007

Spatio-Temporal FastICA Algorithms for the Blind Separation of Convolutive Mixtures.
IEEE Trans. Speech Audio Process., 2007

Underdetermined blind sparse source separation for arbitrarily arranged multiple sensors.
Signal Process., 2007

MAP-Based Underdetermined Blind Source Separation of Convolutive Mixtures by Hierarchical Clustering and ℓ1-Norm Minimization.
EURASIP J. Adv. Signal Process., 2007

Measuring Dependence of Bin-wise Separated Signals for Permutation Alignment in Frequency-domain BSS.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2007), 2007

Automatic inference of cross-modal nonverbal interactions in multiparty conversations: "who responds to whom, when, and how?" from gaze, head gestures, and utterances.
Proceedings of the 9th International Conference on Multimodal Interfaces, 2007

The world of mushrooms: human-computer interaction prototype systems for ambient intelligence.
Proceedings of the 9th International Conference on Multimodal Interfaces, 2007

Two-Microphone Voice Activity Detection Based on the Homogeneity of the Direction of Arrival Estimates.
Proceedings of the IEEE International Conference on Acoustics, 2007

Blind Source Separation Based on a Beamformer Array and Time Frequency Binary Masking.
Proceedings of the IEEE International Conference on Acoustics, 2007

Blind Speech Separation in a Meeting Situation with Maximum SNR Beamformers.
Proceedings of the IEEE International Conference on Acoustics, 2007

First Stereo Audio Source Separation Evaluation Campaign: Data, Algorithms and Results.
Proceedings of the Independent Component Analysis and Signal Separation, 2007

Blind Audio Source Separation Based on Independent Component Analysis.
Proceedings of the Independent Component Analysis and Signal Separation, 2007

Frequency-Domain Blind Source Separation.
Proceedings of the Blind Speech Separation, 2007

K-means Based Underdetermined Blind Speech Separation.
Proceedings of the Blind Speech Separation, 2007

Underdetermined Blind Source Separation of Convolutive Mixtures by Hierarchical Clustering and L1-Norm Minimization.
Proceedings of the Blind Speech Separation, 2007

2006
Blind Extraction of Dominant Target Sources Using ICA and Time-Frequency Masking.
IEEE Trans. Speech Audio Process., 2006

Geometrical Interpretation of the PCA Subspace Approach for Overdetermined Blind Source Separation.
EURASIP J. Adv. Signal Process., 2006

Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models.
EURASIP J. Adv. Signal Process., 2006

Underdetermined sparse source separation of convolutive mixtures with observation vector clustering.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Solving the Permutation Problem of Frequency-Domain BSS when Spatial Aliasing Occurs with Wide Sensor Spacing.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Frequency Domain Blind Source Separation of a Reduced Amount of Data Using Frequency Normalization.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Blind Source Separation of Many Signals in the Frequency Domain.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Doa Estimation for Multiple Sparse Sources with Normalized Observation Vector Clustering.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

On Calculating the Inverse of Separation Matrix in Frequency-Domain Blind Source Separation.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2006

Underdetermined source separation for colored sources.
Proceedings of the 14th European Signal Processing Conference, 2006

Parametric-Pearson-based independent component analysis for frequency-domain blind speech separation.
Proceedings of the 14th European Signal Processing Conference, 2006

Normalized observation vector clustering approach for sparse source separation.
Proceedings of the 14th European Signal Processing Conference, 2006

2005
Natural gradient multichannel blind deconvolution and speech separation using causal FIR filters.
IEEE Trans. Speech Audio Process., 2005

Multistage SIMO-Model-Based Blind Source Separation Combining Frequency-Domain ICA and Time-Domain ICA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Blind Source Separation of Convolutive Mixtures of Speech in Frequency Domain.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Blind extraction of a dominant source from mixtures of many sources using ICA and time-frequency masking.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

Blind extraction of a dominant source signal from mixtures of many sources [audio source separation applications].
Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

A spatio-temporal fastICA algorithm for separating convolutive mixtures.
Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

Reducing musical noise by a fine-shift overlap-add method applied to source separation using a time-frequency mask.
Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004
A robust and precise method for solving the permutation problem of frequency-domain blind source separation.
IEEE Trans. Speech Audio Process., 2004

Frequency domain blind source separation using small and large spacing sensor pairs.
Proceedings of the 2004 International Symposium on Circuits and Systems, 2004

Audio source separation based on independent component analysis.
Proceedings of the 2004 International Symposium on Circuits and Systems, 2004

Hierarchical clustering applied to overcomplete BSS for convolutive mixtures.
Proceedings of the ISCA Tutorial and Research Workshop on Statistical and Perceptual Audio Processing, 2004

Multistage SIMO-model-based blind source separation combining frequency-domain ICA and time-domain ICA.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Convolutive blind source separation for more than two sources in the frequency domain.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Near-field frequency domain blind source separation for convolutive mixtures.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Natural gradient multichannel blind deconvolution and source separation using causal FIR filters.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Underdetermined blind separation for speech in real environments with sparseness and ICA.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Overcomplete BSS for Convolutive Mixtures Based on Hierarchical Clustering.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

Evaluation of Multistage SIMO-Model-Based Blind Source Separation Combining Frequency-Domain ICA and Time-Domain ICA.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

Estimating the Number of Sources for Frequency-Domain Blind Source Separation.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

Frequency Domain Blind Source Separation for Many Speech Signals.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

On Coefficient Delay in Natural Gradient Blind Deconvolution and Source Separation Algorithms.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

Underdetermined Blind Separation of Convolutive Mixtures of Speech with Directivity Pattern Based Mask and ICA.
Proceedings of the Independent Component Analysis and Blind Signal Separation, 2004

Underdetermined blind speech separation with directivity pattern based continuous mask and ICA.
Proceedings of the 2004 12th European Signal Processing Conference, 2004

2003
Direction of arrival estimation for multiple source signals using independent component analysis.
Proceedings of the Seventh International Symposium on Signal Processing and Its Applications, 2003

Geometrical understanding of the PCA subspace method for overdetermined blind source separation.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

A robust approach to the permutation problem of frequency-domain blind source separation.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Robust real-time blind source separation for moving speakers in a room.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2002
Blind source separation with different sensor spacing and filter length for each frequency range.
Proceedings of the 12th IEEE Workshop on Neural Networks for Signal Processing, 2002

Removal of residual crosstalk components in blind source separation using LMS filters.
Proceedings of the 12th IEEE Workshop on Neural Networks for Signal Processing, 2002

Polar coordinate based nonlinear function for frequency-domain blind source separation.
Proceedings of the IEEE International Conference on Acoustics, 2002

Removal of residual cross-talk components in Blind Source Separation using time-delayed spectral subtraction.
Proceedings of the IEEE International Conference on Acoustics, 2002

Threshold Element-Based Symmetric Function Generators and Their Functional Extension.
Proceedings of the Field-Programmable Logic and Applications, 2002

2001
Solving satisfiability problems using reconfigurable computing.
IEEE Trans. Very Large Scale Integr. Syst., 2001

2000
SPFD: A new method to express functional flexibility.
IEEE Trans. on CAD of Integrated Circuits and Systems, 2000

A Threshold Logic-Based Reconfigurable Logic Element with a New Programming Technology.
Proceedings of the Field-Programmable Logic and Applications, 2000

An efficient framework of using various decomposition methods to synthesize LUT networks and its evaluation.
Proceedings of ASP-DAC 2000, 2000

1999
An Integrated Approach for Synthesizing LUT Networks.
Proceedings of the 9th Great Lakes Symposium on VLSI (GLS-VLSI '99), 1999

1998
Solving Satisfiability Problems Using Logic Synthesis and Reconfigurable Hardware.
Proceedings of the Thirty-First Annual Hawaii International Conference on System Sciences, 1998

Restructuring Logic Representations with Easily Detectable Simple Disjunctive Decompositions.
Proceedings of the 1998 Design, 1998

New Methods to Find Optimal Non-Disjoint Bi-Decompositions.
Proceedings of the ASP-DAC '98, 1998

1997
Restricted Simple Disjunctive Decompositions Based on Grouping Symmetric Variables.
Proceedings of the 7th Great Lakes Symposium on VLSI (GLS-VLSI '97), 1997

1996
LUT-based FPGA Technology Mapping using Permissible Functions.
Proceedings of the 9th International Conference on VLSI Design (VLSI Design 1996), 1996

A new method to express functional permissibilities for LUT based FPGAs and its applications.
Proceedings of the 1996 IEEE/ACM International Conference on Computer-Aided Design, 1996

Solving Satisfiability Problems on FPGAs.
Proceedings of the Field-Programmable Logic, 1996

Solving Satisfiability Problems Using Field Programmable Gate Arrays: First Results.
Proceedings of the Second International Conference on Principles and Practice of Constraint Programming, 1996

1995
Logic synthesis for look-up table based FPGAs using functional decomposition and support minimization.
Proceedings of the 1995 IEEE/ACM International Conference on Computer-Aided Design, 1995

1991
Minimazation of Binary Decision Diagrams Based on Exchanges of Variables.
Proceedings of the 1991 IEEE/ACM International Conference on Computer-Aided Design, 1991


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