H.264/SVC Mode Decision Based on Optimal Stopping Theory

被引：26
|
作者：
Zhao, Tiesong [1 ]
Kwong, Sam [1 ]
Wang, Hanli [2 ,3 ]
Kuo, C. -C Jay [4 ,5 ]
机构：
[1] City Univ Hong Kong, Dept Comp Sci, Kowloon, Hong Kong, Peoples R China
[2] Tongji Univ, Minist Educ China, Dept Comp Sci & Technol, Shanghai 200092, Peoples R China
[3] Tongji Univ, Minist Educ China, Key Lab Embedded Syst & Serv Comp, Shanghai 200092, Peoples R China
[4] Univ So Calif, Ming Hsieh Dept Elect Engn, Signal & Image Proc Inst, Los Angeles, CA 90089 USA
[5] Univ So Calif, Integrated Media Syst Ctr, Los Angeles, CA 90089 USA
来源：
IEEE TRANSACTIONS ON IMAGE PROCESSING | 2012年 / 21卷 / 05期
基金：
中国国家自然科学基金;
关键词：
All-zero block (AZB) detection; interlayer prediction; mode decision; optimal stopping; scalable video coding (SVC); DCT COEFFICIENTS; ALGORITHM;
D O I：
10.1109/TIP.2012.2186148
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Fast mode decision algorithms have been widely used in the video encoder implementation to reduce encoding complexity yet without much sacrifice in the coding performance. Optimal stopping theory, which addresses early termination for a generic class of decision problems, is adopted in this paper to achieve fast mode decision for the H.264/Scalable Video Coding standard. A constrained model is developed with optimal stopping, and the solutions to this model are employed to initialize the candidate mode list and predict the early termination. Comprehensive simulation results are conducted to demonstrate that the proposed method strikes a good balance between low encoding complexity and high coding efficiency.
引用
收藏
页码：2607 / 2618
页数：12
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