By Jian Li, Hongmei Liu, Jiwu Huang, Yongping Zhang (auth.), Hyoung-Joong Kim, Stefan Katzenbeisser, Anthony T. S. Ho (eds.)
ISBN-10: 3642044387
ISBN-13: 9783642044380
This ebook constitutes the completely refereed post-conference complaints of the seventh foreign Workshop on electronic Watermarking, IWDW 2008, held in Busan, Korea, in November 2008.
The 36 common papers integrated within the quantity have been conscientiously reviewed and chosen from sixty two submissions. components of curiosity to the convention are mathematical modeling of embedding and detection; info theoretic, stochastic features of knowledge hiding; defense concerns, together with assaults and counter-attacks; mix of information hiding and cryptography; optimal watermark detection and trustworthy restoration; estimation of watermark capability; channel coding ideas for watermarking; large-scale experimental checks and benchmarking; new statistical and perceptual types of content material; reversible information hiding; info hiding in specified media; information hiding and authentication; steganography and steganalysis; facts forensics; copyright defense, DRM, and forensic watermarking; and visible cryptography.
Read Online or Download Digital Watermarking: 7th International Workshop, IWDW 2008, Busan, Korea, November 10-12, 2008. Selected Papers PDF
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Additional resources for Digital Watermarking: 7th International Workshop, IWDW 2008, Busan, Korea, November 10-12, 2008. Selected Papers
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The RPSNR values of the original attack is shown to be slightly lower than that of the original watermarked film. In figure (b) the RPSNR values of the attack with Alteration Type 1 is shown, as compared with the RPSNR values of the original watermarked film and the results of the original attack. However, there is still an approximately 40% reduction in the evidence of the original watermark. The perceptual picture quality is preserved. To illustrate the picture quality after the attack, we show results of RPSNR values [3,18,22] in Figures 4 and 5.
4. RPSNR Values of Watermarked Film vs. Various Attacks. In (a), the RPSNR values of watermarked film vs. original attack is shown. The RPSNR values of the original attack is shown to be slightly lower than that of the original watermarked film. In figure (b) the RPSNR values of the attack with Alteration Type 1 is shown, as compared with the RPSNR values of the original watermarked film and the results of the original attack. However, there is still an approximately 40% reduction in the evidence of the original watermark.
Shi non-zero MPEG quantized AC coefficients in I, P and B frames, respectively. Due to the constraints on paper space, the mean distribution of all I, P or B frames instead of the distribution of each individual frame is illustrated. As shown Fig. 4, in average, the first digit distribution of non-zero MPEG AC coefficients of originally MPEG compressed video is well modeled by the parametric logarithmic law in both cases of VBR and CBR. Note that for the case of CBR, the observation applies to MPEG video sequence generated by both Berkeley MPEG-1 Video Encoder and MSSG MPEG-2 Video Codec.
Digital Watermarking: 7th International Workshop, IWDW 2008, Busan, Korea, November 10-12, 2008. Selected Papers by Jian Li, Hongmei Liu, Jiwu Huang, Yongping Zhang (auth.), Hyoung-Joong Kim, Stefan Katzenbeisser, Anthony T. S. Ho (eds.)
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