Robust watermarking procedure based on JPEG discrete cosine transform image compression

Srdjan Stankovic; Irena Orovic; Nikola Zaric

doi:10.1117/1.2981832

1 October 2008 Robust watermarking procedure based on JPEG discrete cosine transform image compression

Srdjan Stankovic, Irena Orovic, Nikola Zaric

Author Affiliations +

Journal of Electronic Imaging, Vol. 17, Issue 4, 043001 (October 2008). https://doi.org/10.1117/1.2981832

Abstract

A new procedure for watermarking in the 8×8 block-based discrete cosine transform (DCT) domain (used for JPEG compression) is proposed. The influence of JPEG quantization on watermarked coefficients and on watermark is considered. The criterion for coefficients selection is derived, providing robustness for an arbitrary quantization degree. The modified form of coefficients probability density function (pdf) leads to the class of modified optimal detectors. Theoretical results are illustrated on various examples. Efficiency of the proposed procedure is shown in the presence of different quantization degrees, and other common attacks.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Srdjan Stankovic, Irena Orovic, and Nikola Zaric "Robust watermarking procedure based on JPEG discrete cosine transform image compression," Journal of Electronic Imaging 17(4), 043001 (1 October 2008). https://doi.org/10.1117/1.2981832

Published: 1 October 2008

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