Abstract
Reversible watermarking technique enables to extract embedded information without any loss of the host signal. For the reduction of the embedding distortion, a desirable reversible watermarking approach should exploit efficient prediction way to generate prediction errors with a smaller magnitude for expansion embedding. In this paper, we present a reversible audio watermarking scheme based on a new non-causal prediction method and embedding strategy. The proposed non-causal prediction method provides non-integer prediction errors and the proposed expansion embedding strategy can proceed them for a lower embedding distortion. Experimental results have shown that the proposed reversible technique has a lower embedding distortion for the same embedding payload in comparison with the existing state-of-the-art works.
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Foundation item: Supported by the National Natural Science Foundation of China (61272414), the Science and Technology Project of Guangzhou Province (2012J4100108), and the Jinan University Outstanding Postgraduate Research and Innovation Program, Jinan University Outstanding Undergraduate Scientific Research Innovation Cultivation Project
Biography: HUO Yongjin, male, Master candidate, research direction: information hiding.
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Huo, Y., Xiang, S., Liu, S. et al. Reversible audio watermarking algorithm using non-causal prediction. Wuhan Univ. J. Nat. Sci. 18, 455–460 (2013). https://doi.org/10.1007/s11859-013-0956-2
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DOI: https://doi.org/10.1007/s11859-013-0956-2