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Watermarking channel capacity is defined as the number of bits that can be embedded in an image with an arbitrarily low probability of detection error under a given distortion constraint. In recent literature, multi-channel watermarking channel capacity is defined as a function of the maximum amount of distortions introduced by the hider and attacker. In this paper, we provide a framework for estimating the capacity of multi channel digital image watermarking in practical setting by simulating two types of attacks.
Date of Conference: 14-16 March 2007