ISPA09-quant-wm-attack Source Code

Python code implementing and attacking the image watermarking systems analyzed in the paper

Peter Meerwald, Christian Koidl, Andreas Uhl, "Targeted Attacks on Quantization-based Watermarking Schemes", Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis, ISPA '09, pp. 465-470, Salzburg, Austria, September 16 - 18, 2009.

Abstract: While many watermarking methods show good robustness against common signal processing operations, security of the watermarking schemes under intentional attack exploiting knowledge of the implementation has been widely neglected. In this paper, we demonstrate straightforward, targeted attacks for a number of quantization based watermarking methods and provide implementations. The attacks require only one watermarked image and retain the fidelity of the image. The watermarking methods discussed are therefore not suitable for copyright protection applications.

See README for details.

The code is available upon request.

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