Sample-Based Weighted Prediction with Directional Template Matching for HEVC Lossless Coding

被引：0
|
作者：
Wige, Eugen [1 ]
Yammine, Gilbert [1 ]
Amon, Peter [2 ]
Hutter, Andreas [2 ]
Kaup, Andre [1 ]
机构：
[1] Univ Erlangen Nurnberg, Multimedia Commun & Signal Proc, Erlangen, Germany
[2] Siemens Corp Technol, Imaging & Comp Vis, Munich, Germany
来源：
2013 PICTURE CODING SYMPOSIUM (PCS) | 2013年
关键词：
D O I：
暂无
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：
The recently introduced High Efficiency Video Coding (HEVC) standard is currently further investigated for potential use in professional applications. The considered Range Extensions should on the one hand introduce higher bit depths and additional color formats, and on the other hand the coding efficiency of HEVC for high fidelity compression as well as lossless compression is to be improved. In this paper we investigate and improve the recently introduced Sample-based Weighted Prediction (SWP) for HEVC lossless coding. Although being very efficient for natural video content, the SWP algorithm can be further improved for screen content by using a directional template predictor in cases where the SWP algorithm yields worse prediction. The mainly introduced predictor improves the lossless coding results by up to 9.9% compared to the unmodified HEVC reference software for lossless compression.
引用
收藏
页码：305 / 308
页数：4
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