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International Conference on Computer Graphics, Imaging and Visualization (CGIV'05)
Ray-Space Data Compression Based on Prediction Technique
Beijing, China
July 26-July 29
ISBN: 0-7695-2392-7
Feng Shao, Zhejiang University and Ningbo University
Gangyi Jiang, Ningbo University and Peking University
Ken Chen, Ningbo University
Mei Yu, Ningbo University and Peking University
Tae-Young Choi, Ajou University
Free Viewpoint Television (FTV) is expected to be a next generation visual application. Ray-Space representation is the main approach to realizing FTV with complex scene. Data compression in ray-space is one of key technologies in ray-space based FTV systems. Previous methods of ray-space data coding only utilize intra-slice redundancies which is similar to still image coding techniques, resulting in low coding efficiency. In this paper, data compression in ray-space is investigated, features of ray-space slice are analyzed, and ray-space compression method is proposed based on intra-slice correlation, inter-slice correlation and prediction technique. Experimental results show that ray-space compression efficiency is further improved.
Citation:
Feng Shao, Gangyi Jiang, Ken Chen, Mei Yu, Tae-Young Choi, "Ray-Space Data Compression Based on Prediction Technique," cgiv, pp.347-350, International Conference on Computer Graphics, Imaging and Visualization (CGIV'05), 2005
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