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Communication Dans Un Congrès Année : 2007

An efficient low bit-rate information embedding Costa based scheme using a perceptual model

Claude Delpha
Brice Djeumou-Kouto
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Abdellatif Zaidi
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Pierre Duhamel

Résumé

In this paper, we propose an audio watermarking scheme based on the scalar Costa scheme specifically calibrated with a perceptual model allowing to increase the embedding power. For our study, this scheme is designed to be efficient for low bit-rate embedding with sufficient robustness to channel degradations. We present here the main characteristics of our scheme and the way for introducing perceptual models in such a Costa based watermarking scheme without introducing any noticeable artifacts. An evaluation of the robustness of the embedding system is also theoretically discussed by the way of the main channel attack : additive noise from low to high level. We illustrate its relevance in practice using Monte Carlo simulations.
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Dates et versions

hal-00871163 , version 1 (09-10-2013)

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Claude Delpha, Brice Djeumou-Kouto, Abdellatif Zaidi, Pierre Duhamel. An efficient low bit-rate information embedding Costa based scheme using a perceptual model. ICASSP 2007 - 32th IEEE International Conference on Acoustics, Speech and Signal Processing, Apr 2007, Hawai, Honolulu, United States. pp.II.189 -- II.192, ⟨10.1109/ICASSP.2007.366204⟩. ⟨hal-00871163⟩
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