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Watermark Removal Using Pseudorandom Desynchronization by Selective Pixel Elimination

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Executive Summary

Watermarking is one of the most effective tools to countering multimedia content tampering and digital piracy. However, due to widespread availability of watermarking tools and the ease of distribution via Internet, the misuse of watermarking algorithms adapted to distribute malicious information as well as industrial and government secrets is not only possible but prevalent. Therefore, it becomes critical that such embedded data be removed from the multimedia without degrading the quality. In this paper, the authors propose a general removal method to remove watermarks from images based on pseudorandom desynchronization by selective pixel removal.

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