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The most significant problem in generating virtual views from a limited number of video camera views is handling areas that have become dis-occluded by shifting the virtual view away from the camera view. The authors propose using temporal information to address this problem, based on the notion that dis-occluded areas may have been seen by some camera in some previous frames. They formulate the problem as one of estimating the underlying state of the object in a stochastic dynamical system, given a sequence of observations. They apply the formulation to improving the visual quality of virtual views generated from a single "Color plus depth" camera, and show that their algorithm achieves better results than depth image based rendering using standard in-painting.
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