Watermarking Capacity of Digital Images Based on Domain-Specific Masking Effects

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Venue:
ITCC '01 Proceedings of the International Conference on Information Technology: Coding and Computing
Year:
2001

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Abstract

Abstract: Our objective is to find a theoretical watermarking capacity bound of digital images based on domain-specific masking effects. In this paper, we first show the capacity of private watermarking in which the power constraints are not uniform. Then, we apply several domain-specific Human Vision System approximation models to estimate the power constraints and then show the theoretical watermarking capacity of an image in a general noisy environment. Note that we consider all pixels, watermarks and noises are discrete values, which occur in realistic cases.