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In depth map coding for 3D video coding systems, coding errors in edges can severely affect the synthesis quality. Edge errors mainly compose of two parts: one is blurring and ringing artifact around sharp edge and the other is fake edge caused by blocking artifact. In this paper, we propose an adaptive depth map filter to remove blocking artifacts while preserving depth edges. The proposed filter...
In this paper, a novel image watermarking scheme based on independent component analysis (ICA) is proposed. In the proposed scheme, the original image is sub-sampled firstly to obtain four sub-images, and the features of the original image are extracted by performing ICA to these sub-images, and then the feature, which has the largest variance, is selected out to be watermarked on its block DCT coefficients...
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