CLASSIFICATION OF POSSIBLE ATTACKS AND PREVENTION METHODS IN DIGITAL WATERMARKING

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G. Jansirani
A, Senthilkumar

Abstract

Digital Watermarking is aimed for providing ownership rights protection in an untrustworthy environment like internet especially on images and videos. It is effective technique. However, the rate of successful digital watermarking fully depends on the robustness that is attacks or destroying of host data, although it is one of the famous techniques for copyright protection and identification. In order to maintain the robustness of digital watermarking numerous prevention methods should be applied for those watermarking techniques. Researches’ are going on to prevent attacks in watermarked content and numerous procedures have been developed so far. As the same thing number of prevention methods needed to prevent attacks of digital watermarking. However, this paper is not present all the possible attacks for all the techniques of digital water marking. This paper shows some few possible attacks in digital water marking for colour images and an attempt to classify them by its categories.

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