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IEICE TRANSACTIONS on Fundamentals

Attacking Phase Shift Keying Based Watermarking

Jeng-Shyang PAN, Chuang LIN

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Summary :

The letter describes a phase perturbation attack to the Discrete Fourier Transform (DFT) and Phase Shift Keying (PSK) based watermarking scheme which is proposed in [3]. In that paper the watermark information is embedded in the phase of the DFT coefficients. But this kind of PSK based watermarking scheme is very vulnerable to the phase perturbation attack, when some noise is added on the phase of the DFT coefficients, the watermark can't be correctly extracted anymore, while the quality degradation of the attacked watermarked image is visually acceptable.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.1 pp.305-306
Publication Date
2007/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.1.305
Type of Manuscript
LETTER
Category
Image

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