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Paper Abstract and Keywords
Presentation 2007-04-26 15:10
Image Tamper Detection Based on Multiple Mathematical Morphology Operations
Qing Tao Wan (NEC Engineering), Masaaki Fujiyoshi, Hitoshi Kiya (Tokyo Metro. Univ.) SIP2007-9 IE2007-9
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a tamper detection for images. The proposed method utilizes the idempotence of mathematical morphology operations, i.e., a recursive operation with the one structuring element to the one image generates the same output image as the previous operation does. If tampering is applied to an operated image, the idempotence no longer holds. The proposed method, thus, can detect tampering. When the conventional method uses a large structuring element, it degrades an image so much. The conventional method, however, decreases the security, that is based on the large degrees of freedom on selection of the structuring element, by choosing small elements for improving the image quality. The proposed method applies mathematical morphology operations twice to an image to improve the quality of the operated image and to simultaneously keep the tamper detecting ability and the precision of the tampered area. Moreover, each morphology operation uses different structuring elements in the proposed method, it enhances the security by spreading the degrees of freedom on selection of the structuring elements and by increasing the combinations of structuring elements.
Keyword (in Japanese) (See Japanese page) 
(in English) Structuring element / Idempotence / Integrity / Nonlinear signal processing / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 22, SIP2007-9, pp. 49-54, April 2007.
Paper # SIP2007-9 
Date of Issue 2007-04-19 (SIP, IE) 
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)
Download PDF SIP2007-9 IE2007-9

Conference Information
Committee IE SIP  
Conference Date 2007-04-26 - 2007-04-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image signal processing, etc. 
Paper Information
Registration To SIP 
Conference Code 2007-04-IE-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Tamper Detection Based on Multiple Mathematical Morphology Operations 
Sub Title (in English)  
Keyword(1) Structuring element  
Keyword(2) Idempotence  
Keyword(3) Integrity  
Keyword(4) Nonlinear signal processing  
1st Author's Name Qing Tao Wan  
1st Author's Affiliation NEC Engineering Ltd. (NEC Engineering)
2nd Author's Name Masaaki Fujiyoshi  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
3rd Author's Name Hitoshi Kiya  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-2 
Date Time 2007-04-26 15:10:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2007-9, IE2007-9 
Volume (vol) vol.107 
Number (no) no.22(SIP), no.23(IE) 
Page pp.49-54 
Date of Issue 2007-04-19 (SIP, IE) 

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