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| Presentation | 2014-03-11 15:40 On the Performance of Probabilistic Digital Fingerprinting Codes Generated from Nonstationary Distribution Kouhei Kanai, Hiroki Koga (Univ. of Tsukuba)  IT2013-94 ISEC2013-123 WBS2013-83 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Illegal copies of digital contents are spreading due to the development of the Internet. Digital fingerprinting codes provide a method in which we can identify malicious users who generate illegal copies under the collusion attack. In this paper we discuss performance of a probabilistic digital fingerprinting code in which codewords are generated according to a certain probability distribution. Although we often use such i.i.d. codewords in digital fingerprinting codes, there also exists a digital fingerprinting code such as the Tardos code where the codewords are generated according to a varying distribution. In this paper, we use a tracing algorithm based on the marking assumption and evaluate the probability of misidentification of a collusion of two malicious users. We show the existence of the situation where a digital fingerprinting code generated from a nonstationary distribution outperforms a digital fingerprinting code generated from a fixed stationary distribution. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | digital fingerprinting code / marking assumption / pirated copy / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 483, IT2013-94, pp. 255-260, March 2014. | |
| Paper # | IT2013-94 | |
| Date of Issue | 2014-03-03 (IT, ISEC, WBS) | |
| 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 | IT2013-94 ISEC2013-123 WBS2013-83 |
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| Conference Information | |
| Committee | ISEC IT WBS |
| Conference Date | 2014-03-10 - 2014-03-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Univ., Higashiyama Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | joint meeting of IT, ISEC, and WBS |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2014-03-ISEC-IT-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On the Performance of Probabilistic Digital Fingerprinting Codes Generated from Nonstationary Distribution |
| Sub Title (in English) | |
| Keyword(1) | digital fingerprinting code |
| Keyword(2) | marking assumption |
| Keyword(3) | pirated copy |
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| 1st Author's Name | Kouhei Kanai |
| 1st Author's Affiliation | University of Tsukuba (Univ. of Tsukuba) |
| 2nd Author's Name | Hiroki Koga |
| 2nd Author's Affiliation | University of Tsukuba (Univ. of Tsukuba) |
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| Speaker | Author-1 |
| Date Time | 2014-03-11 15:40:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2013-94, ISEC2013-123, WBS2013-83 |
| Volume (vol) | vol.113 |
| Number (no) | no.483(IT), no.484(ISEC), no.485(WBS) |
| Page | pp.255-260 |
| #Pages | 6 |
| Date of Issue | 2014-03-03 (IT, ISEC, WBS) |
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