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Hole Filling Algorithm for a Virtual-viewpoint Image by Using a Modified Exemplar Based In-painting
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 Title & Authors
Hole Filling Algorithm for a Virtual-viewpoint Image by Using a Modified Exemplar Based In-painting
Ko, Min Soo; Yoo, Jisang;
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In this paper, a new algorithm by using 3D warping technique to effectively fill holes that are produced when creating a virtual-viewpoint image is proposed. A hole is defined as the region that cannot be seen in the reference view when a virtual view is created. In the proposed algorithm, to reduce the blurring effect that occurs on the hole region filled by conventional algorithms and to enhance the texture quality of the generated virtual view, Exemplar Based In-painting algorithm is used. The boundary noise which occurs in the initial virtual view obtained by 3D warping is also removed. After 3D warping, we estimate the relative location of the background to the holes and then pixels adjacent to the background are filled in priority to get better result by not using only adjacent object`s information. Also, the temporal inconsistency between frames can be reduced by expanding the search region up to the previous frame when searching for most similar patch. The superiority of the proposed algorithm compared to the existing algorithms can be shown through the experimental results.
Virtual viewpoint image;Exemplar in-painting;3D warping;Hole filling;
 Cited by
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