22-01-2013, 08:54 PM
Abstract:
In this paper, a wavelet packet transform (W P T)-based robust video
watermarking algorithm is proposed. A visible meaningful binary image is used as
the watermark. First, sequent frames are extracted from the video clip. Then, W P T is applied on each frame and from each orientation one sub-band is selected based on block mean intensity value called robust sub-band. Watermark is embedded in the robust sub-bands based on the relationship between wavelet packet coefficient and its8-neighbour (D8) coefficients considering the robustness and invisibility. Experimental results and comparison with existing algorithms show the robustness and the better
performance of the proposed algorithm.