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Watermarking capacity of digital images based on domain-specific masking effects

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2 Author(s)
Ching-Yung Lin ; IBM Thomas J. Watson Res. Center, Hawthorne, NY, USA ; Shih-Fu Chang

Our objective is to find a theoretical watermarking capacity bound of digital images based on domain-specific masking effects. 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 to be discrete values, which occur in realistic cases

Published in:

Information Technology: Coding and Computing, 2001. Proceedings. International Conference on

Date of Conference:

Apr 2001