Masahito TOGAMI

Separation of Mass Spectra Based on Probabilistic Latent Component Analysis for Explosives Detection
Yohei KAWAGUCHI Masahito TOGAMI Hisashi NAGANO Yuichiro HASHIMOTO Masuyuki SUGIYAMA Yasuaki TAKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/09/01
Vol. E98-A  No. 9  pp. 1888-1897
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing for Sensing and Diagnosis)
Category: 
Keyword: 
mass spectrometry, explosives detection, non-negative matrix factorization, probabilistic latent component analysis, sparsity, 
 Summary | Full Text:PDF
Mass Spectra Separation for Explosives Detection by Using an Attenuation Model
Yohei KAWAGUCHI Masahito TOGAMI Hisashi NAGANO Yuichiro HASHIMOTO Masuyuki SUGIYAMA Yasuaki TAKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/09/01
Vol. E98-A  No. 9  pp. 1898-1905
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing for Sensing and Diagnosis)
Category: 
Keyword: 
mass spectrometry, explosives detection, non-negative matrix factorization, probabilistic latent component analysis, 
 Summary | Full Text:PDF
Multichannel Two-Stage Beamforming with Unconstrained Beamformer and Distortion Reduction
Masahito TOGAMI Yohei KAWAGUCHI Yasunari OBUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/04/01
Vol. E96-A  No. 4  pp. 749-761
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
beamforming, multichannel noise reduction, reverberant environment, microphone array, 
 Summary | Full Text:PDF
Stepwise Phase Difference Restoration Method for DOA Estimation of Multiple Sources
Masahito TOGAMI Yasunari OBUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3269-3281
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
DOA estimation, phase difference, acoustic applications, acoustic arrays, 
 Summary | Full Text:PDF