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Paper Abstract and Keywords
Presentation 2009-02-20 14:30
Visualization of Steepest Descent Method of LVQ
Yoshiaki Kurosawa (Toshiba Solution) PRMU2008-237
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. On the other hand, the phenomenon of slow learning or collapse when the learning strength is set to be igher is well known in the field of steepest descent method, for example the field of neural networks. This phenomenon is also observed in the learning process of LVQ. The method to avoid this is applicable to LVQ as same as the field of steepest descent. This report describes the method to observe the learning process of LVQ and shows the actual observation result as the basic research before considering the method to avoid above mentioned slow leaning or collapse.
Keyword (in Japanese) (See Japanese page) 
(in English) LVQ / probabilistic descent / steepest descent / learning / OCR / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 432, PRMU2008-237, pp. 175-180, Feb. 2009.
Paper # PRMU2008-237 
Date of Issue 2009-02-12 (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 PRMU2008-237

Conference Information
Committee PRMU  
Conference Date 2009-02-19 - 2009-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tokyo (IIS) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2009-02-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Visualization of Steepest Descent Method of LVQ 
Sub Title (in English)  
Keyword(1) LVQ  
Keyword(2) probabilistic descent  
Keyword(3) steepest descent  
Keyword(4) learning  
Keyword(5) OCR  
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1st Author's Name Yoshiaki Kurosawa  
1st Author's Affiliation Toshiba Solution (Toshiba Solution)
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Speaker Author-1 
Date Time 2009-02-20 14:30:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2008-237 
Volume (vol) vol.108 
Number (no) no.432 
Page pp.175-180 
#Pages 6 
Date of Issue 2009-02-12 (PRMU) 

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