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Paper Abstract and Keywords
Presentation 2014-11-21 10:40
Multichannel non-negative matrix factorization with orthogonality constraints for sound source separation
Fuminori Yoshiyama, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya (Oita Univ.) EA2014-32 EMM2014-60
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a blind source separation method based on multichannel non-negative factorization (NMF) with orthogonally constraints. The conventional multichannel NMF (MNMF) often incur a risk of varying the source separation performance. To reduce this risk, our method employs an orthogonality constraint. We derived a penalized multichannel NMF (PMNMF) algorithm using the constraints, and it forces each NMF bases to become no cross-correlation, which increases separated quality. Experimental result show that the estimated NMF bases exhibited no correlation with each others, and the proposed method was superior to the conventional method in the average performance.
Keyword (in Japanese) (See Japanese page) 
(in English) non-negative matrix factorization / multichannel / source separation / orthogonality constraints / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 315, EA2014-32, pp. 25-30, Nov. 2014.
Paper # EA2014-32 
Date of Issue 2014-11-13 (EA, EMM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMM EA  
Conference Date 2014-11-20 - 2014-11-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EA 
Conference Code 2014-11-EMM-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multichannel non-negative matrix factorization with orthogonality constraints for sound source separation 
Sub Title (in English)  
Keyword(1) non-negative matrix factorization  
Keyword(2) multichannel  
Keyword(3) source separation  
Keyword(4) orthogonality constraints  
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1st Author's Name Fuminori Yoshiyama  
1st Author's Affiliation Oita University (Oita Univ.)
2nd Author's Name Shingo Uenohara  
2nd Author's Affiliation Oita University (Oita Univ.)
3rd Author's Name Keisuke Nishijima  
3rd Author's Affiliation Oita University (Oita Univ.)
4th Author's Name Ken'ichi Furuya  
4th Author's Affiliation Oita University (Oita Univ.)
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Speaker
Date Time 2014-11-21 10:40:00 
Presentation Time 30 
Registration for EA 
Paper # EA2014-32, EMM2014-60 
Volume (vol) 114 
Number (no) no.315(EA), no.316(EMM) 
Page pp.25-30 
#Pages
Date of Issue 2014-11-13 (EA, EMM) 


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