首页> 外文会议>International Conference on Computational Science and Its Applications(ICCSA 2006) pt.1; 20060508-11; Glasgow(GB) >Efficient Block Matching for Ray-Space Predictive Coding in Free-Viewpoint Television Systems
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Efficient Block Matching for Ray-Space Predictive Coding in Free-Viewpoint Television Systems

机译:自由视点电视系统中用于射线空间预测编码的有效块匹配

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Free viewpoint television (FTV) based on ray-space representation was adopted in the MPEG draft because the ray-space can generate an arbitrary viewpoint view without complicated analysis and rendering process. Ray-Space predictive coding is one of main techniques in ray-space based FTV systems, in which block matching and compensation plays a very important role to improve coding performance. However, the computational burden of block matching for ray-space coding is the problem to be solved. Ray-space representation of FTV is introduced and inter-slice correlations of ray-space data are analyzed. Then, a fast adaptive block matching algorithm for ray-space predictive coding is proposed to reduce the encoding complexity. Experimental results show that the proposed block matching method reduce the computational burden and speed up the coding process greatly.
机译:MPEG草案中采用了基于射线空间表示的自由视点电视(FTV),因为射线空间可以生成任意视点视图,而无需进行复杂的分析和渲染过程。射线空间预测编码是基于射线空间的FTV系统中的主要技术之一,其中块匹配和补偿对于提高编码性能起着非常重要的作用。然而,用于射线空间编码的块匹配的计算负担是要解决的问题。介绍了FTV的射线空间表示,并分析了射线空间数据的切片间相关性。然后,提出了一种用于射线空间预测编码的快速自适应块匹配算法,以降低编码复杂度。实验结果表明,所提出的块匹配方法减轻了计算量,大大加快了编码过程。

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