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Paper Abstract and Keywords
Presentation 2014-09-11 10:45
A method of perceptual encryption and its efficient key management for JPEG/Motion JPEG images
Kenta Kurihara, Yuko Saito (Tokyo Metropolitan Univ.), Shoko Imaizumi (Chiba Univ.), Sayaka Shiota, Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2014-53
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a method of perceptual encryption and its efficient key management for images presupposing JPEG or motion JPEG compression. Perceptual encryption is a processing technique which makes
an image difficult to recognize visually. In comparison with number theory-based encryption methods, perceptual encryption has a high flexibility for the processing such as it enables an image to be compressed after the encryption. The proposed method is a scheme of performing the block-based perceptual encryption, which is suitable for JPEG compression. It is con rimed that the quality when compressing the visually encrypted image generated by the proposed method is almost same as that when compressing the original one. Also, as an efficient key management for the proposed encryption, we consider a scheme using a hash function to generate encryption keys.
Keyword (in Japanese) (See Japanese page) 
(in English) JPEG compression / Perceptual encryption / Key management / Hash function / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 205, SIS2014-53, pp. 13-18, Sept. 2014.
Paper # SIS2014-53 
Date of Issue 2014-09-04 (SIS) 
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 SIS IPSJ-AVM  
Conference Date 2014-09-11 - 2014-09-12 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Intelligent Multimedia Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2014-09-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A method of perceptual encryption and its efficient key management for JPEG/Motion JPEG images 
Sub Title (in English)  
Keyword(1) JPEG compression  
Keyword(2) Perceptual encryption  
Keyword(3) Key management  
Keyword(4) Hash function  
1st Author's Name Kenta Kurihara  
1st Author's Affiliation Tokyo Metroplitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Yuko Saito  
2nd Author's Affiliation Tokyo Metroplitan University (Tokyo Metropolitan Univ.)
3rd Author's Name Shoko Imaizumi  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Sayaka Shiota  
4th Author's Affiliation Tokyo Metroplitan University (Tokyo Metropolitan Univ.)
5th Author's Name Hitoshi Kiya  
5th Author's Affiliation Tokyo Metroplitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2014-09-11 10:45:00 
Presentation Time 25 minutes 
Registration for SIS 
Paper # SIS2014-53 
Volume (vol) vol.114 
Number (no) no.205 
Page pp.13-18 
Date of Issue 2014-09-04 (SIS) 

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