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In many communications systems, data can be divided into different importance levels. For these systems, unequal error protection (UEP) techniques are used to guarantee lower BER for the more important classes. In particular, if the precise characteristics of the channel are not known, UEP can be used to recover the more important classes even in poor receiving conditions. In this paper, we derive...
Capacity of a digital watermarking scheme is the maximum bit rates that can be embedded in a designated host signal with certain constraints. When host signal and channel attack are both Gaussian, the watermarking capacity is known. Rate-distortion-robustness analysis is investigating the relationship between information rate, embedding distortion and counter-attack robustness. The latter is normally...
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