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A digital watermarking algorithm based on depth perceptual region of interest (DP-ROI) for copyright protection of three dimension (3D) images is proposed. First, DP-ROI is defined according to the three-dimensional depth sensation of human visual system and extracted through depth image and gray image. Then, gray image is transformed with discrete cosine transformation (DCT). Several middle frequency...
Stereo video is an important developing trend of video technologies and its intellectual property rights (IPR) protection should be resolved in advance to avoid piracy. In this paper, based on our previous research work on both digital watermarking and stereo video, a novel adaptive algorithm for watermarking stereo video is proposed. The watermark information is embedded into disparity vectors of...
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