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To improve random access performance in multi-view video system, predication structure for multi-view video coding is represented with weighted graph. Then the optimal decoding path with respect to random access of user is computed by referring to the idea of the shortest path in graph theory. Experimental results show that the proposed scheme can obtain the shortest decoding path, and can effectively...
A depth image coding method is proposed for 3DTV system in this paper. The proposed method is based on edge enhancement algorithm, considering the fact that the quality of synthesized virtual viewpoint images will be greatly affected by boundary regions in depth image. Using the process of edge extraction and slice-adaptation, the proposed method utilizes different quantization parameters for different...
In 3DTV system, virtual view generation can be accomplished by depth image-based rendering (DIBR) system. And, depth map is key side information for generating virtual image by using DIBR technique in 3DTV system. Before compressing, depth map need to be quantified. But, which quantification method should be choose or how to transform depth information is still a contentious issue. In this paper,...
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