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Jinwei Wang, Leiming Yan, Jin Han and Yuxiang Wang Secure hybrid multibit multiplicative watermarking for media distribution over mobile Internet Security and Communication Networks

Article first published online: 24 JAN 2013 | DOI: 10.1002/sec.668

Thumbnail image of graphical abstract

In this algorithm, two embedding rules are changed according to the secret key, which embed the watermark into Discrete Wavelet Transform (DWT) coefficients. The secret key improves the watermark system's security. Additionally, the optimum and locally optimum hybrid multiplicative watermarking decoders are proposed, respectively, to detect the watermark. Because it works with two rules, it obtains a tradeoff in robustness.

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