TCQ Practical Evaluation in the Hyper-Cube Watermarking Framework

Abstract : The Hyper-Cube watermarking has shown a high potential for high-rate robust watermarking. In this paper, we carry on the study and the evaluation of this quantization-based approach. We especially focus on the use of a Trellis Coded Quantization (TCQ) and its impact on the Hyper-Cube performances. First, we recall the TCQ functioning principle andwe propose adapted quantizers. Second, we analyze the integration of the TCQ module in a cascade of two coders (resp. two decoders). Finally, we experimentally compare the proposed approach with the state-of-the-art of high-rate watermarking schemes. The obtained results show that our Multi-Hyper-Cube scheme always provides good average performances
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Marc Chaumont, Dalila Goudia. TCQ Practical Evaluation in the Hyper-Cube Watermarking Framework. ICME: International Conference on Multimedia and Expo, Jul 2011, Barcelona, Spain. ⟨10.1109/ICME.2011.6012007⟩. ⟨lirmm-00839005⟩

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