NEW CAVLC DESIGN FOR LOSSLESS INTRA CODING

被引：0
|
作者：
Heo, Jin [1 ]
Kim, Seung-Hwan [1 ]
Ho, Yo-Sung [1 ]
机构：
[1] GIST, Kwangju 500712, South Korea
来源：
2009 16TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1-6 | 2009年
关键词：
H.264/AVC; lossless intra coding; CAVLC;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The context-based adaptive variable length coder (CAVLC) in H.264/AVC is not appropriate for lossless video coding because it was designed for lossy video coding. Since statistical characteristics of residual data in lossy and lossless coding are quite different, we design a new VLC table for the number of non-zero coefficients and an adaptive scheme for VLC table selection in level coding for lossless intra coding. Experimental results show that the proposed CAVLC scheme provides approximately 10% bit saving, compared to the original CAVLC scheme in H.264/AVC.
引用
收藏
页码：637 / 640
页数：4
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