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Paper Abstract and Keywords
Presentation 2011-03-10 15:30
Learning Process Visualization of LVQ for Observation at Place where Error Rate Steeply Changes
Yoshiaki Kurosawa (Toshiba Solutions) PRMU2010-253
Abstract (in Japanese) (See Japanese page) 
(in English) LVQ is the method well known in the field of character recognition and speech recognition. This can be described by the concept of probabilistic descent method and it becomes one of steepest descent method applications. By this concept, the movement of the recognition parameter which is the set of reference vectors of LVQ is observable during learning. This observation technique was applied to the case of steep error rate decrease that happened to be found in a handwritten numerical character recognition experiment. As a result, streams were found in the terrain of evaluation function defined in the probabilistic descent method, and the learning process were trapped by this stream in a long interval. After passing the exit of this stream, it was found that the learning process moved down on a steep and wide slope.
Keyword (in Japanese) (See Japanese page) 
(in English) LVQ / probabilistic descent / steepest descent / learning / OCR / visualization / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 467, PRMU2010-253, pp. 93-98, March 2011.
Paper # PRMU2010-253 
Date of Issue 2011-03-03 (PRMU) 
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 PRMU2010-253

Conference Information
Committee PRMU  
Conference Date 2011-03-10 - 2011-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2011-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Learning Process Visualization of LVQ for Observation at Place where Error Rate Steeply Changes 
Sub Title (in English)  
Keyword(1) LVQ  
Keyword(2) probabilistic descent  
Keyword(3) steepest descent  
Keyword(4) learning  
Keyword(5) OCR  
Keyword(6) visualization  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshiaki Kurosawa  
1st Author's Affiliation Toshiba Solutions (Toshiba Solutions)
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Speaker Author-1 
Date Time 2011-03-10 15:30:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2010-253 
Volume (vol) vol.110 
Number (no) no.467 
Page pp.93-98 
#Pages 6 
Date of Issue 2011-03-03 (PRMU) 

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