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Paper Abstract and Keywords
Presentation 2010-04-26 15:40
VQ Based Data Hiding Method for Still Images by Tree-Structured Links
Hisashi Igarashi, Yuichi Tanaka, Madoka Hasegawa, Shigeo Kato (UU) IE2010-11
Abstract (in Japanese) (See Japanese page) 
(in English) There sometimes causes wiretapping or tampering by third persons in communication via a vulnerable security network. An enciphered communication system is one of the most effective methods free from such threat, but enciphered texts are usually randomly arranged or meaningless letter strings. Consequently, the network attacker can easily notice that monitored messages are enciphered. Once they notice the messages are enciphered, these enciphered messages may be skillfully decoded.
Whereas data-hiding techniques have been developed to transmit the information in secret. In data-hiding techniques, the information data is embedded into decoy data and then transmitted. In general, amount of decoy data are much larger than that of the information data, so that the network attacker does not notice thus fact.
Data-hiding techniques using Vector Quantization (VQ) have been proposed. In this study we propose a new data-hiding techniques using VQ. In the proposed method, output vectors are linked with tree structure and the information is embedded. The simulation results show that our proposed method indicates higher SN ratio than the conventional method under the same amounts of embedded data.
Keyword (in Japanese) (See Japanese page) 
(in English) Data Hiding / Vector Quantization / Tree-Structured Links / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 22, IE2010-11, pp. 61-66, April 2010.
Paper # IE2010-11 
Date of Issue 2010-04-19 (IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee IE  
Conference Date 2010-04-26 - 2010-04-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2010-04-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) VQ Based Data Hiding Method for Still Images by Tree-Structured Links 
Sub Title (in English)  
Keyword(1) Data Hiding  
Keyword(2) Vector Quantization  
Keyword(3) Tree-Structured Links  
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1st Author's Name Hisashi Igarashi  
1st Author's Affiliation Utsunomiya University (UU)
2nd Author's Name Yuichi Tanaka  
2nd Author's Affiliation Utsunomiya University (UU)
3rd Author's Name Madoka Hasegawa  
3rd Author's Affiliation Utsunomiya University (UU)
4th Author's Name Shigeo Kato  
4th Author's Affiliation Utsunomiya University (UU)
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Speaker Author-1 
Date Time 2010-04-26 15:40:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IE2010-11 
Volume (vol) vol.110 
Number (no) no.22 
Page pp.61-66 
#Pages 6 
Date of Issue 2010-04-19 (IE) 

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