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A light field (LF) is a 2D array of closely spaced viewpoint images of a static 3D scene. In an interactive LF streaming (ILFS) scenario, a user successively requests desired neighboring viewpoints for observation, and in response the server must transmit pre-encoded data for correct decoding of the requested viewpoint images. Designing frame structures for ILFS is challenging, since at encoding time...
In interactive multiview video streaming (IMVS), a client periodically requests switches to neighboring views for uninterrupted temporal video playback from a server storing a large number of pre-encoded views. The technical challenge is that the navigation path taken by a client is not known at encoding time, and thus it is difficult to employ differential coding to lower code rate without knowing...
Instead of lossily coding depth images resulting in undesirable geometric distortion, graph-based representation (GBR) describes disparity information as a graph with a controllable accuracy. In this paper, we propose a more compact graphical representation called GBR-plus to code both disparity and color information of a target view given a reference view. Specifically, first we differentiate between...
In depth-image-based rendering (DIBR), a new virtual viewpoint image is synthesized by mapping color pixels from one or more reference views to the new image grid using corresponding disparity values. However, due to necessary roundings to the 2D grid, "rounding holes" appear in synthesized objects, which are typically filled using local interpolation. In this paper, leveraging on a recent...
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