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http://dx.doi.org/10.5392/JKCA.2013.13.10.062

Parallax Map Preprocessing Algorithm for Performance Improvement of Hole-Filling  

Kim, Jun-Ho (한밭대학교 정보통신전문대학원)
Lee, Si-Woong (한밭대학교 정보통신전문대학원)
Publication Information
The Journal of the Korea Contents Association / v.13, no.10, 2013 , pp. 62-70 More about this Journal
Abstract
DIBR(Depth Image Based Rendering) is a kind of view synthesis algorithm to generate images at free view points from the reference color image and its depth map. One of the main challenges of DIBR is the occurrence of holes that correspond to uncovered backgrounds at the synthesized view. In order to cover holes efficiently, two main approaches have been actively investigated. One is to develop preprocessing algorithms for depth maps or parallax maps to reduce the size of possible holes, and the other is to develop hole filling methods to fill the generated holes using adjacent pixels in non-hole areas. Most conventional preprocessing algorithms for reducing the size of holes are based on the smoothing process of depth map. Filtering of depth map, however, attenuates the resolution of depth map and generates geometric distortions. In this paper, we proposes a novel preprocessing algorithm for parallax map to improve the performance of hole-filling by avoiding the drawbacks of conventional methods.
Keywords
DIBR; Preprocessing; Parallax Map; View Synthesis;
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Times Cited By KSCI : 3  (Citation Analysis)
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