NEW CAVLC ENCODING ALGORITHM FOR LOSSLESS INTRA CODING IN H.264/AVC

被引：3
|
作者：
Heo, Jin [1 ]
Kim, Seung-Hwan [1 ]
Ho, Yo-Sung [1 ]
机构：
[1] GIST, Kwangju 500712, South Korea
来源：
PCS: 2009 PICTURE CODING SYMPOSIUM | 2009年
关键词：
H.264/AVC; CAVLC; lossless video coding;
D O I：
10.1145/1555228.1555256
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Context-based adaptive variable length coding (CAVLC) of H.264/AVC was originally designed for quantized transform coefficients in lossy video coding, and as such does not yield adequate performance in lossless video coding. In this paper, we propose an improved CAVLC for lossless intra coding. Considering statistical differences of residual data in lossy and lossless coding, we design a new CAVLC encoding algorithm. Experimental results show that the proposed method provides approximately 7.6% bit savings, compared to the current H.264/AVC FRExt high profile.
引用
收藏
页码：77 / 80
页数：4
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