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Paper Abstract and Keywords
Presentation 2011-12-15 11:00
Generic Object Recognition by Graph Structural Expression
Takahiro Hori, Tetsuya Takiguchi, Yasuo Ariki (Kobe Univ.) PRMU2011-127
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a method for generic object recognition using graph structural expression. In recent years, generic object recognition by a computer is strongly requested in the field like the robot vision and the image retrieval. Conventional methods use bag-of-features (BoF) that express the image as an appearance frequency histogram of visual words by quantizing SIFT (Scale-Invariant Feature Transform) features. However, there is a problem that the location information and the relations between keypoints are lost that are important as structural information. To deal with this problem, in the proposed method, the graph is constructed by connecting SIFT keypoints by the line. As a result, the keypoints have the relation, and then structural representation with location information is achieved. Since the graph representation is not suitable for the statistical work, the graph is embedded into a vector space according to the graph edit distance. As a result of two image datasets, the proposed method has improved the recognition rate compared with conventional methods.
Keyword (in Japanese) (See Japanese page) 
(in English) generic object recognition / graph / SIFT / graph edit distance / vector-space embedding / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 353, PRMU2011-127, pp. 19-24, Dec. 2011.
Paper # PRMU2011-127 
Date of Issue 2011-12-08 (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 PRMU2011-127

Conference Information
Committee PRMU FM  
Conference Date 2011-12-15 - 2011-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hamamatsu Campus, Shizuoka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2011-12-PRMU-FM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Generic Object Recognition by Graph Structural Expression 
Sub Title (in English)  
Keyword(1) generic object recognition  
Keyword(2) graph  
Keyword(3) SIFT  
Keyword(4) graph edit distance  
Keyword(5) vector-space embedding  
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1st Author's Name Takahiro Hori  
1st Author's Affiliation Kobe University (Kobe Univ.)
2nd Author's Name Tetsuya Takiguchi  
2nd Author's Affiliation Kobe University (Kobe Univ.)
3rd Author's Name Yasuo Ariki  
3rd Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2011-12-15 11:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2011-127 
Volume (vol) vol.111 
Number (no) no.353 
Page pp.19-24 
#Pages 6 
Date of Issue 2011-12-08 (PRMU) 

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