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Holographic Forensic Mark based on DWT-SVD for Tracing of the Multilevel Distribution  

Li, De (연변대학교 컴퓨터과학과)
Kim, Jong-Weon (상명대학교 디지털저작권보호연구소)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.2C, 2010 , pp. 155-160 More about this Journal
Abstract
In this paper, we proposed a forensic mark algorithm which can embed the distributor's information at each distribution step to trace the illegal distribution path. For this purpose, the algorithm has to have the high capacity payload for embedding the copyright and user information at each step, and the embedded information at a step should not interfere with the information at other step. The proposed algorithm can trace the multilevel distribution because the forensic mark is generated by digital hologram and embedded in the DWT-SVD domain. For the high capacity embedding, the off-axis hologram is generated from the forensic mark and the hologram is embedded in the HL, LH, HH bands of the DWT to reduce the signal interference. The SVD which is applied the holographic signal enhanced the detection performance and the safety of the forensic mark algorithm. As the test results, this algorithm was able to embed 128bits information for the copyright and user information at each step. In this paper, we can embed total 384bits information for 3 steps and the algorithm is also robust to the JPEG compression.
Keywords
Hologram; DWT; SVD; Forensic Mark; Distribution Trace;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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