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Paper Abstract and Keywords
Presentation 2012-04-27 09:25
Search Method for Digital Image with Watermark Using Correlation Coefficient between Pixel Value Histograms
Kousuke Imamura (Kanazawa Univ.), Hideo Kuroda (FPT Univ.), Makoto Fujimura (Nagasaki Univ.) IE2012-2
Abstract (in Japanese) (See Japanese page) 
(in English) An efficiency extraction technique for digital image content with watermarking is required for detecting of unauthorized copied images on the Internet. In this paper, we propose an efficient two-stage image search method for extraction of illegal copies of a target image. The first stage is a pre-search, which searches for candidate of illegal images by some simple method. The next stage is the main search, which extracts embedded copyright information from the candidate and decides whether the image is an illegal copy of the target. In addition, we propose a simple image search method which uses the correlation coefficient between pixel value histograms of images as a pre-search method. The proposed pre-search method is useful because the proposed method is possible to combine with the current extraction technologies of embedded information. The performance of the proposed pre-search method is evaluated through computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital watermark / Image search / Correlation coefficient / Pixel value histogram / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 20, IE2012-2, pp. 7-11, April 2012.
Paper # IE2012-2 
Date of Issue 2012-04-20 (IE) 
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)
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Conference Information
Committee IE  
Conference Date 2012-04-27 - 2012-04-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Seikei University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processing and Coding, etc. 
Paper Information
Registration To IE 
Conference Code 2012-04-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Search Method for Digital Image with Watermark Using Correlation Coefficient between Pixel Value Histograms 
Sub Title (in English)  
Keyword(1) Digital watermark  
Keyword(2) Image search  
Keyword(3) Correlation coefficient  
Keyword(4) Pixel value histogram  
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1st Author's Name Kousuke Imamura  
1st Author's Affiliation Kanazawa University (Kanazawa Univ.)
2nd Author's Name Hideo Kuroda  
2nd Author's Affiliation FPT University (FPT Univ.)
3rd Author's Name Makoto Fujimura  
3rd Author's Affiliation Nagasaki University (Nagasaki Univ.)
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Speaker Author-1 
Date Time 2012-04-27 09:25:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IE2012-2 
Volume (vol) vol.112 
Number (no) no.20 
Page pp.7-11 
#Pages 5 
Date of Issue 2012-04-20 (IE) 

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