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Paper Abstract and Keywords
Presentation 2008-03-13 13:50
A hierarchical multi-class classification method based on error-correcting output coding
Yoshimi Oyama (Kyoto Univ.), Takashi Takenouchi (NAIST), Shin Ishii (Kyoto Univ.) NC2007-169
Abstract (in Japanese) (See Japanese page) 
(in English) There have been studies of multi-class classification by combining multiple binary classifiers within the framework of error-correcting
output coding.
In these methods, the original multi-class classification problem is decomposed to multiple binary classification problems by using the code matrix prepared in advance.

In this report, we propose a new method of using parts of a code matrix ``hierarchically''. We apply this method to various classification problems including synthetic datasets and datasets from UCI repository and results show that the proposed method is superior or comparative to other multi-class classification methods such as the Hamming decoding and the multi-class SVM.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-class classifier / error-correcting output coding / code matrix / hierarchical method / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 542, NC2007-169, pp. 337-342, March 2008.
Paper # NC2007-169 
Date of Issue 2008-03-05 (NC) 
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 NC2007-169

Conference Information
Committee NC MBE  
Conference Date 2008-03-12 - 2008-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2008-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A hierarchical multi-class classification method based on error-correcting output coding 
Sub Title (in English)  
Keyword(1) Multi-class classifier  
Keyword(2) error-correcting output coding  
Keyword(3) code matrix  
Keyword(4) hierarchical method  
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1st Author's Name Yoshimi Oyama  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Takashi Takenouchi  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Shin Ishii  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker
Date Time 2008-03-13 13:50:00 
Presentation Time 20 
Registration for NC 
Paper # IEICE-NC2007-169 
Volume (vol) IEICE-107 
Number (no) no.542 
Page pp.337-342 
#Pages IEICE-6 
Date of Issue IEICE-NC-2008-03-05 


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