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A depth image-based error concealment algorithm for 3-D video transmission is proposed, which utilizes the strong correlations between 2-D video and its corresponding the depth map. We first investigate the internal characteristics of the macroblock in the depth map, and then take advantage of these characteristics to recover accurately the lost motion vector for the corrupted blocks, with the joint...
This paper presents a real-time video-based rendering system that uses multiview video data with depth representation for free-viewpoint navigation. The proposed rendering algorithm not only achieves high quality rendering but also increases viewpoint flexibility to cover viewpoints that do not lie on the camera baselines. The proposed system achieves real-time decoding of multiple videos and depth...
Practical applications for multi-view video such as three-dimensional television may require to transmit the data over error-prone channels. Even when channel coding is used, it is likely that parts of the image information are lost after decoding. To improve the image quality in this case, an efficient algorithm for multi-view error concealment is presented. Extending and enhancing a previously known...
A simple free viewpoint video system which is able not only to display user-specified views at arbitrary angle but also to efficiently stream the necessary video over a network is described. Virtual view synthesis based on projection theory was implemented to obtain intermediate views between multiple cameras. The depth information, which is required for the virtual view synthesis, was obtained using...
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