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Consider the directional hole filling method for virtual view point synthesis  

Mun, Ji Hun (광주과학기술원 정보통신공학부)
Ho, Yo Sung (광주과학기술원 정보통신공학부)
Publication Information
Smart Media Journal / v.3, no.4, 2014 , pp. 28-34 More about this Journal
Abstract
Recently the depth-image-based rendering (DIBR) method is usually used in 3D image application filed. Virtual view image is created by using a known view with associated depth map to make a virtual view point which did not taken by the camera. But, disocclusion area occur because the virtual view point is created using a depth image based image 3D warping. To remove those kind of disocclusion region, many hole filling methods are proposed until now. Constant color region searching, horizontal interpolation, horizontal extrapolation, and variational inpainting techniques are proposed as a hole filling methods. But when using those hole filling method some problem occurred. The different types of annoying artifacts are appear in texture region hole filling procedure. In this paper to solve those problem, the multi-directional extrapolation method is newly proposed for efficiency of expanded hole filling performance. The proposed method is efficient when performing hole filling which complex texture background region. Consideration of directionality for hole filling method use the hole neighbor texture pixel value when estimate the hole pixel value. We can check the proposed hole filling method can more efficiently fill the hole region which generated by virtual view synthesis result.
Keywords
Virtual-View Synthesis; 3D-Warping; Hole Filling; Free View-Point TV;
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