Orthogonal-Matching-Pursuit Based Residual Coding with Content Adaptive Dictionary in HEVC

被引：0
|
作者：
Zhang, Zheng Teng [1 ]
Yeh, Chia-Hung [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung, Taiwan
来源：
2016 INTERNATIONAL COMPUTER SYMPOSIUM (ICS) | 2016年
关键词：
High efficient video coding(HEVC); residual coding; orthogonal matching pursuit; coding unit complexity; STANDARD;
D O I：
10.1109/ICS.2016.77
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Residual coding is an effective way to enhance the coding performance in video coding. This paper proposed a new inter-layer residual coding method based on orthogonal matching pursuit (OMP) to obtain the sparse representation vectors as the transform coefficients. To achieve this purpose, a content adaptive dictionary is constructed in I frame based on the analysis of the coding unit complexity. Experimental results show that the proposed method achieves 2.3% bitrate saving on average when compared to the HM-16.12.
引用
收藏
页码：355 / 358
页数：4
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