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Free-Viewpoint Rendering (FVR) has become a popular topic in 3D research. A promising technology in FVR is to generate virtual views using a single texture image and the corresponding depth image. A critical problem that occurs when generating virtual views is that the regions covered by the foreground objects in the original view may be disoccluded in the synthesized views. In this paper, a depth based disocclusion filling algorithm using patch based texture synthesis is proposed. In contrast to the existing patch based virtual view synthesis methods, the filling priority is driven by the robust structure tensor and the epi-polar directional term.
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