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Paper Abstract and Keywords
Presentation 2011-12-20 09:25
GIF-SP: Improvement of Speech Recognition Using General and Discriminative Feature
Satoshi Tamura, Yoji Tagami, Satoru Hayamizu (Gifu Univ.) NLC2011-47 SP2011-92
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a general and discriminative feature ``GIF''.
The feature extraction method proposed in this paper consists of two transforms from an input vector to an output feature for recognition, via an intermediate vector;
the first transform is derived from binary classifiers for each class, and the second transform is obtained so as to maximize a variance of projected values, with orthogonalization and dimension reduction.
These transforms can be computed using training data by the genetic algorithm.
Recognition experiments were conducted using the evaluation corpus for speech recognition.
The proposed feature achieved drastic improvements compared with conventional features, then the effectiveness of the proposed method is clarified.
Keyword (in Japanese) (See Japanese page) 
(in English) discriminative feature / genetic algorithm / MFCC / cepstrum mean subtruction / CENSREC / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 365, SP2011-92, pp. 119-124, Dec. 2011.
Paper # SP2011-92 
Date of Issue 2011-12-12 (NLC, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF NLC2011-47 SP2011-92

Conference Information
Committee SP NLC IPSJ-SLP  
Conference Date 2011-12-19 - 2011-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SP 
Conference Code 2011-12-SP-NLC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) GIF-SP: Improvement of Speech Recognition Using General and Discriminative Feature 
Sub Title (in English)  
Keyword(1) discriminative feature  
Keyword(2) genetic algorithm  
Keyword(3) MFCC  
Keyword(4) cepstrum mean subtruction  
Keyword(5) CENSREC  
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Keyword(7)  
Keyword(8)  
1st Author's Name Satoshi Tamura  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Yoji Tagami  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Satoru Hayamizu  
3rd Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2011-12-20 09:25:00 
Presentation Time 25 minutes 
Registration for SP 
Paper # NLC2011-47, SP2011-92 
Volume (vol) vol.111 
Number (no) no.364(NLC), no.365(SP) 
Page pp.119-124 
#Pages 6 
Date of Issue 2011-12-12 (NLC, SP) 

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