On the invertibility of invisible watermarking techniques
作者： S. Craver , N. Memon , Boon-Lock Yeo , M.M. Yeung
关键词: Digital watermarking 、 Digital image 、 Computer security 、 Decoding methods 、 Mathematics 、 Watermark 、 Digital Watermarking Alliance 、 Image coding
摘要: We shall show that non-invertibility is a necessary but not sufficient condition in resolving ownership disputes. then define quasi-invertible watermarking schemes, and, present analysis links invertibility and quasi-invertibility to some classes of techniques with different properties (which may or require original versions watermark decoding), as well the attacks we have developed.
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