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Paper Abstract and Keywords
Presentation 2024-08-26 13:30
A Reversible Data Hiding Method for EtC Images with Flexible Restoration Patterns
Yusaku Kato, Shoko Imaizumi (Chiba Univ.) SIP2024-46
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an effective method for reversible data hiding in encrypted images derived by an encryption-then-compression system (hereafter, EtC images). The proposed method achieves high embedding capacity without any restriction in the order of decryption and data extraction. In our previous work, data can be extracted and restored to the original image by using a key set for decryption again from the decrypted image in which information has been still embedded. However, the reuse of the key set on data extraction prevents appropriate access rights control. Thus, by embedding the
encryption data into each block of the EtC image, the proposed method achieves accurate data extraction from decrypted image without reusing the key set. Through our simulations, we prove the flexibility and reversibility of the recovery process and
demonstrate the effectiveness of the proposed method in terms of embedding capacity
and image quality.
Keyword (in Japanese) (See Japanese page) 
(in English) ｒeversible data hiding in encrypted images / encryption-then-compression system / restoration patterns / data extraction / embedding capacity / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 162, SIP2024-46, pp. 13-18, Aug. 2024.
Paper # SIP2024-46 
Date of Issue 2024-08-19 (SIP) 
ISSN 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)
Download PDF SIP2024-46

Conference Information
Committee SIP  
Conference Date 2024-08-26 - 2024-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Fukui (Bunkyo Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal processing, etc. 
Paper Information
Registration To SIP 
Conference Code 2024-08-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Reversible Data Hiding Method for EtC Images with Flexible Restoration Patterns 
Sub Title (in English)  
Keyword(1) ｒeversible data hiding in encrypted images  
Keyword(2) encryption-then-compression system  
Keyword(3) restoration patterns  
Keyword(4) data extraction  
Keyword(5) embedding capacity  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yusaku Kato  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Shoko Imaizumi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2024-08-26 13:30:00 
Presentation Time 20 minutes 
Registration for SIP 
Paper # SIP2024-46 
Volume (vol) vol.124 
Number (no) no.162 
Page pp.13-18 
#Pages 6 
Date of Issue 2024-08-19 (SIP) 

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