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An Approach to Optimal Watermark Detection

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An approach to optimal watermark detection in the DCT domain, based on the probability density function (pdf) modeling, is presented. A new detector is proposed in order to produce reliable detection of weak watermarks for various distributions of DCT image coefficients. Efficacy of the proposed detector is proved on some common attacks, as well.

Document Type: Research Article


Affiliations: 1: Elektrotehnicki fakultet, University of Montenegro, 81000 Podgorica, Montenegro. 2: Department of Applied Computer Science, University of Applied Sciences, FH Bonn-Rhein-Sieg, 53757 St. Augustin, Germany.

Publication date: 2003-10-01

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