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Paper Abstract and Keywords
Presentation 2009-12-17 10:00
Accelerated Character Recognition Using a Regression-Tree-Molding
Takahiro Ota (Kishugikenkogyo), Toshikazu Wada (Wakayama Univ.) PRMU2009-134
Abstract (in Japanese) (See Japanese page) 
(in English) High-speed and accurate character recognition is required for monitoring the condition of Ink Jet Printer (IJP) for industrial use, which is mainly used in production lines. However, there is no system that meets these requirements in commercially available character recognition systems. In this paper, we first propose, “modified compound similarity method”, which is a high-accuracy but slow classifier. Next, we propose its acceleration method by learning its input-output relationship using linear regression trees and replacing the classifier by the learnt regression tree. We call this method is "Molding". For the molding a large amount of learning data is necessary. Then, we generated training data that imitates the behavior of IJP's feature variation. In the experiment, we confirmed that 500-1000 times speed up is achieved without dropping the recognition rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Subspace method / Compound similarity method / PaLM-tree / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 344, PRMU2009-134, pp. 1-6, Dec. 2009.
Paper # PRMU2009-134 
Date of Issue 2009-12-10 (PRMU) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 PRMU  
Conference Date 2009-12-17 - 2009-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Fujihara Cultural Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2009-12-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Accelerated Character Recognition Using a Regression-Tree-Molding 
Sub Title (in English)  
Keyword(1) Subspace method  
Keyword(2) Compound similarity method  
Keyword(3) PaLM-tree  
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1st Author's Name Takahiro Ota  
1st Author's Affiliation Kishugikenkogyo Co ., Ltd (Kishugikenkogyo)
2nd Author's Name Toshikazu Wada  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
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Speaker Author-1 
Date Time 2009-12-17 10:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2009-134 
Volume (vol) vol.109 
Number (no) no.344 
Page pp.1-6 
#Pages
Date of Issue 2009-12-10 (PRMU) 


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