ENHANCED RATE-DISTORTION OPTIMIZATION FOR STEREO INTERLEAVING VIDEO CODING

被引：0
|
作者：
Ma, Qian [1 ]
Zhan, Yongbing [2 ]
Liu, Qiong [1 ]
Ji, Xiangyang [1 ]
Dai, Qionghai [1 ]
机构：
[1] Tsinghua Univ, Dept Automat, Beijing, Peoples R China
[2] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON 3D IMAGING 2011 (IC3D 2011) | 2011年
基金：
中国国家自然科学基金;
关键词：
Enhanced RDO; mode decision; stereo interleaving; video coding; up-sampling;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Stereo interleaving format attracts more and more attention due to its back compatibility with all existing 2D video coding standards as well as its high efficiency of stereoscopic video compression. As one of the most significant coding components, rate-distortion optimization (RDO) in stereo interleaving video coding does not take into account its application scenarios where the reconstructed video needs up-sampling for displaying. To promote the efficiency of stereo interleaving video compression, we propose an enhanced RDO where the up-sampling is taken into consideration on distortion measurement. The proposed algorithm changes nothing concerning the syntax and is compatible with current decoders. Experimental results demonstrate that the proposed enhanced RDO is able to reduce the bitrates by 10%-44% on average, and achieve 0.1-0.65dB gain on PSNR compared with conventional RDO.
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页数：4
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