Paper
5 December 2001 Peformance analysis of pseudo-random sequence in digital watermarking
Tae-Hyun Kim, Jung-Jin Kim, Eun-Soo Kim
Author Affiliations +
Abstract
In this paper, comparative analysis on the characteristics of the Pseudo Random Sequence(PRS) and the Normal Random Sequence(NRS) which are used as a watermark for copyright protection and authentication about digital media in the conventional digital watermarking systems. From the analysis, it is found that in case of the NRS, the detection of the watermark might be difficult by many crosscorrelation peak values from other NRS codes because of the non-uniform distribution of 1 and 0 in those codes. However, in case of the PRS, since it has the uniform distribution of the random number in the generated codes, there exists very few crosscorrelation peaks. So the PRS is analyzed to be more robust against possible attacks such as JPEG image compression and Gaussian noise compared with the case of the NRS. Finally, in this paper, simulation results on the robustness of the PRS and NRS against some attacks such as JPEG compression, Gaussian noise are also suggested.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tae-Hyun Kim, Jung-Jin Kim, and Eun-Soo Kim "Peformance analysis of pseudo-random sequence in digital watermarking", Proc. SPIE 4475, Mathematics of Data/Image Coding, Compression, and Encryption IV, with Applications, (5 December 2001); https://doi.org/10.1117/12.449589
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KEYWORDS
Digital watermarking

Image compression

Remote sensing

Image processing

Strontium

Image quality

Data hiding

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