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Paper Abstract and Keywords
Presentation 2020-03-05 12:50
A Reversible Data Hiding Scheme for the EtC System
Ruifeng Li, Masaaki Fujiyoshi, Hitoshi Kiya, Yasufumi Takama (Tokyo Metro. Univ.) SIS2019-38
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes an encryption-then-compression (EtC) system-friendly data hiding method for images, where an EtC system compresses images after they are encrypted. The EtC system divides an image into non-overlapping blocks and applies the four processes, namely, block permutation, rotation/flipping of blocks, inverting brightness, and color component permutation in blocks, independently and randomly to the image to visually encrypt the image. The proposed method hides data to a plain, i.e., unencrypted image and the method can take embedded data out from the image encrypted by the system. Moreover, the method can perfectly recover the unmarked image from the marked, viz., reversible. The proposed method copes with block permutation, rotation/flipping of blocks, and inverting brightness in blocks, whereas the conventional methods for the system only copes with the former two processes. Furthermore, this conventional method requires the image-dependent information, used in data hiding, to extract embedded data, but the proposed method does not need such information. Experimental results show the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) block-based visual encryption / parameter memorization-free data hiding / perceptual encryption / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 458, SIS2019-38, pp. 7-12, March 2020.
Paper # SIS2019-38 
Date of Issue 2020-02-27 (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  
Conference Date 2020-03-05 - 2020-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Saitama Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Soft Computing, etc. 
Paper Information
Registration To SIS 
Conference Code 2020-03-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Reversible Data Hiding Scheme for the EtC System 
Sub Title (in English)  
Keyword(1) block-based visual encryption  
Keyword(2) parameter memorization-free data hiding  
Keyword(3) perceptual encryption  
1st Author's Name Ruifeng Li  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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.)
4th Author's Name Yasufumi Takama  
4th Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-1 
Date Time 2020-03-05 12:50:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2019-38 
Volume (vol) vol.119 
Number (no) no.458 
Page pp.7-12 
Date of Issue 2020-02-27 (SIS) 

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