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Paper Abstract and Keywords
Presentation 2009-01-29 13:55
Error Detection in Speech Recognition using CRF Based on Various Linguistic Features
Tomohiko Matsumoto, Atsushi Sako, Tetsuya Takiguchi, Yasuo Ariki (Kobe Univ.) SP2008-127
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, a learning method of n-gram showing error tendency is focused on. In this method, it is difficult to learn low frequency n-gram appropriately. On the other hand, error detection method for content words was proposed that uses semantic similarity in neighboring recognition result. In this paper, we especially examine semantic score and propose a method for speech recognition error detection that integrates these information. As a result of evaluation experiment using the Corpus of Spontaneous Japanese, error detecting performance was improved for content words in particular. Moreover, semantic score is effectively used by combining with term-weight.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech Recognition Error Detection / Confidence Measure / Linguistic feature / Semantic feature / CRF / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 422, SP2008-127, pp. 7-12, Jan. 2009.
Paper # SP2008-127 
Date of Issue 2009-01-22 (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)
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Conference Information
Committee SP  
Conference Date 2009-01-29 - 2009-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) NAIST 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2009-01-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Error Detection in Speech Recognition using CRF Based on Various Linguistic Features 
Sub Title (in English)  
Keyword(1) Speech Recognition Error Detection  
Keyword(2) Confidence Measure  
Keyword(3) Linguistic feature  
Keyword(4) Semantic feature  
Keyword(5) CRF  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tomohiko Matsumoto  
1st Author's Affiliation Kobe University (Kobe Univ.)
2nd Author's Name Atsushi Sako  
2nd Author's Affiliation Kobe University (Kobe Univ.)
3rd Author's Name Tetsuya Takiguchi  
3rd Author's Affiliation Kobe University (Kobe Univ.)
4th Author's Name Yasuo Ariki  
4th Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2009-01-29 13:55:00 
Presentation Time 25 minutes 
Registration for SP 
Paper # SP2008-127 
Volume (vol) vol.108 
Number (no) no.422 
Page pp.7-12 
#Pages 6 
Date of Issue 2009-01-22 (SP) 

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