Authors: Linwei Zhu Yun Zhang Xu Wang Sam Kwong
Publish Date: 2014/02/25
Volume: 74, Issue: 15, Pages: 5935-5954
Abstract
Depth image based rendering DIBR which can generate synthesized images according to the users’ demand is a key technique for achieving 3D television However view synthesis by DIBR technique is very sensitive to depth coding distortion Because depth distortion will lead to geometrical rendering position errors and seriously affect the quality of synthesized images In this paper we propose an inloop filter to minimize view synthesis distortion at the cost of transmitting extra filter parameters as supplementary information And an adaptive parameter determination scheme is presented for the proposed filter Then a good tradeoff between bit rate and view synthesis distortion has been achieved by considering the spatialtemporal correlations of 3D video sequence The simulation results reveal that the proposed view synthesis distortion elimination method can significantly improve the ratedistortion performance which achieves Bjontegaard Delta Peak SignaltoNoise Ratio BDPSNR gain from 041 to 109 dB compared with the benchmarkThis work was supported in part by the Natural Science Foundation of China under Grants 61102088 and 61272289 Shenzhen Emerging Industries of the Strategic Basic Research Project under Grant JCYJ20120617151719115 and the Guangdong Nature Science Foundation under Grant S2012010008457
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