CONTEXT-BASED VIDEO CODING

被引：0

作者：

Vigars, Richard ^{[1
]}

Calway, Andrew ^{[1
]}

Bull, David R. ^{[1
]}

机构：

[1] Univ Bristol, Visual Informat Lab, Bristol BS8 1UB, Avon, England

来源：

2013 20TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2013) | 2013年

基金：

英国工程与自然科学研究理事会;

关键词：

Video; compression; texture; warping; tracking;

D O I：

暂无

中图分类号：

TB8 [摄影技术];

学科分类号：

0804 ;

摘要：

We present a video CODEC framework which exploits extrinsic scene knowledge to condition a perspective motion model. An approximate textural-geometric model of the scene is prepared prior to coding. During coding, the locations of planar surfaces in the scene are tracked, facilitating the computation of accurate perspective motion warp parameters. These algorithms are integrated with H.264 into a hybrid CODEC framework, achieving savings of up to 48% for equivalent visual quality.

引用

页码：1953 / 1957

页数：5

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