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Paper Abstract and Keywords
Presentation 2014-03-08 11:30
Simplified Tracing Algorithm of Fingerprinting Code Against Averaging Attack
Minoru Kuribayashi (Kobe Univ.) EMM2013-115
Abstract (in Japanese) (See Japanese page) 
(in English) When a binary fingerprinting codeword is embedded into digital contents using a robust spread-spectrum(SS) watermarking scheme, the averaging strategy plus addition of noise is one of cost-effective attacks. In the previous study, an optimal detector can be designed from the
information theoretical point of view if the number of colluders and the attack strategy are known in advance. If the noise added to the pirated codeword is AWGN, the variance of the noise must be estimated in the optimal detector. In this paper, we simplify the optimal detector exploiting the characteristic of the discrete bias distribution of Nuida code. The proposed detector can calculate a
correlation score directly from the distorted codeword without the estimation of the number of colluders as well as the variance of noise. Our experimental results reveal that the performance is very
close to that of the optimal detector.
Keyword (in Japanese) (See Japanese page) 
(in English) fingerprinting code / averaging attack / discete bias distribution / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 480, EMM2013-115, pp. 93-98, March 2014.
Paper # EMM2013-115 
Date of Issue 2014-02-28 (EMM) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMM2013-115

Conference Information
Committee EMM  
Conference Date 2014-03-07 - 2014-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) JAIST 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Poster Session, etc. 
Paper Information
Registration To EMM 
Conference Code 2014-03-EMM 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simplified Tracing Algorithm of Fingerprinting Code Against Averaging Attack 
Sub Title (in English)  
Keyword(1) fingerprinting code  
Keyword(2) averaging attack  
Keyword(3) discete bias distribution  
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1st Author's Name Minoru Kuribayashi  
1st Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2014-03-08 11:30:00 
Presentation Time 30 minutes 
Registration for EMM 
Paper # EMM2013-115 
Volume (vol) vol.113 
Number (no) no.480 
Page pp.93-98 
#Pages 6 
Date of Issue 2014-02-28 (EMM) 

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