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Publication
A subband-DCT approach for image watermarking is proposed in this communication. The watermark is casted in a selected number of coefficients of all four bands of a one-level decom...
TOMCCAP
2008
13 years 10 months ago
2008
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
ICIP
2000
IEEE
14 years 11 months ago
2000
IEEE
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
ICMCS
2006
IEEE
14 years 4 months ago
2006
IEEE
In order to improve the robustness and imperceptibleness of the image spread spectrum watermark algorithm, a new approach for optimization in 8×8 DCT domain using genetic algorit...