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27 February 2012 Geometry compensation using depth and camera parameters for three-dimensional video coding
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Abstract
One of the important issues for a next generation broadcasting system is how to compress a massive amount of threedimensional (3D) video efficiently. In this paper, we propose a geometry compensation method for 3D video coding exploiting color videos, depth videos and camera parameters. In the proposed method, we first generate a compensated view, which is located at the geometrically same position with the current view, using depth and camera parameters of neighboring views. Then, the compensated view is used as a reference picture to reduce the inter-view redundancies such as disparity and motion vectors. Furthermore, considering the direction of hole-regions, we propose a hole-filling method for picture of P-view to fill up the holes based on the neighboring background pixels. The experimental results show that the proposed algorithm increases BD-PSNRs up to 0.22dB and 0.63dB for P- and B-views, respectively. Meanwhile, we achieved up to 6.28% and 18.32% BD bit-rates gain for P- and B- views, respectively.
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Dong Hyun Kim, Jungdong Seo, Seungchul Ryu, Jin Young Lee, Ho-Cheon Wey, and Kwanghoon Sohn "Geometry compensation using depth and camera parameters for three-dimensional video coding", Proc. SPIE 8288, Stereoscopic Displays and Applications XXIII, 828827 (27 February 2012); https://doi.org/10.1117/12.906133
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