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Paper Abstract and Keywords
Presentation 2015-10-02 15:50
An Improvement of Crossover in Assembly of Jigsaw Puzzles Using a GA
Kazuyuki Takahashi, Koji Obokata (NIT, Ichinoseki College) COMP2015-29
Abstract (in Japanese) (See Japanese page) 
(in English) We applied a genetic algorithm to assemble the square piece jigsaw puzzle. We used a gray scale image in the puzzle and assembled by using information on the outline of the pixel value in the pieces. Applying the genetic operation of a conventional general GA ended up with lethal gene which repeated the same piece several times. In this study, we propose an improved crossover method to avoid lethal gene by operating the piece with the complete bipartite graph minimum cost matching. The proposed method, compared to Toyama's method, showed that it was possible to obtain more efficient optimal solution.
Keyword (in Japanese) (See Japanese page) 
(in English) Genetic Algorithm / Assembly of puzzle / Optimal placement / Bipartite graph / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 235, COMP2015-29, pp. 41-46, Oct. 2015.
Paper # COMP2015-29 
Date of Issue 2015-09-25 (COMP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 COMP  
Conference Date 2015-10-02 - 2015-10-02 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To COMP 
Conference Code 2015-10-COMP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Improvement of Crossover in Assembly of Jigsaw Puzzles Using a GA 
Sub Title (in English)  
Keyword(1) Genetic Algorithm  
Keyword(2) Assembly of puzzle  
Keyword(3) Optimal placement  
Keyword(4) Bipartite graph  
1st Author's Name Kazuyuki Takahashi  
1st Author's Affiliation National Institute of Technology, Ichinoseki College (NIT, Ichinoseki College)
2nd Author's Name Koji Obokata  
2nd Author's Affiliation National Institute of Technology, Ichinoseki College (NIT, Ichinoseki College)
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Date Time 2015-10-02 15:50:00 
Presentation Time 30 
Registration for COMP 
Paper # IEICE-COMP2015-29 
Volume (vol) IEICE-115 
Number (no) no.235 
Page pp.41-46 
#Pages IEICE-6 
Date of Issue IEICE-COMP-2015-09-25 

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