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Paper Abstract and Keywords
Presentation 2017-10-12 13:20
A JPEG-Friendly Image Encryption Scheme
Ayana Kawamura, Tatsuya Chuman, Kenta Iida, Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2017-22
Abstract (in Japanese) (See Japanese page) 
(in English) Conventional secure image transmission systems are based on Compression-then-Encryption systems, where image encryption has to be conducted prior to image compression. On the other hand, Encryption-then-Compression(EtC) systems where image encryption can be conducted prior to compression, are expected for privacy protection. A block-based encryption scheme with JPEG-friendly has been proposed as an image encryption one for EtC systems. In this paper, we propose a extended block-based encryption scheme to improve the safety and the invisibility. The proposed scheme carries out the all encrypt operations in the YCbCr color space, although the conventional scheme does in the RGB color space. This proposed encryption allow us more freely to encrypt images without degrading the JPEG compression performance than the conventional scheme. In this paper, to evaluate the effectiveness of the proposed encryption, we discuss the compression performance of encrypted images and advantages of the proposed scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) JPEG compression / EtC system / image encryption / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 235, SIS2017-22, pp. 7-12, Oct. 2017.
Paper # SIS2017-22 
Date of Issue 2017-10-05 (SIS) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SIS2017-22

Conference Information
Committee SIS IPSJ-AVM  
Conference Date 2017-10-12 - 2017-10-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Todaiji Culture Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Intelligent Multimedia Systems, Applied Enbedded Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2017-10-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A JPEG-Friendly Image Encryption Scheme 
Sub Title (in English)  
Keyword(1) JPEG compression  
Keyword(2) EtC system  
Keyword(3) image encryption  
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1st Author's Name Ayana Kawamura  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Tatsuya Chuman  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
3rd Author's Name Kenta Iida  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
4th Author's Name Hitoshi Kiya  
4th Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker
Date Time 2017-10-12 13:20:00 
Presentation Time 20 
Registration for SIS 
Paper # IEICE-SIS2017-22 
Volume (vol) IEICE-117 
Number (no) no.235 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-SIS-2017-10-05 


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