Multiple priority region of interest coding with H.264

被引：19
|
作者：
Agrafiotis, Dimitris [1 ]
Bull, David R. [1 ]
Canagarajah, Nishan [1 ]
Kamnoonwatana, Nawat [1 ]
机构：
[1] Univ Bristol, Ctr Commun Res, Woodland Rd, Bristol BS8 1UB, Avon, England
来源：
2006 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, ICIP 2006, PROCEEDINGS | 2006年
关键词：
video coding;
D O I：
10.1109/ICIP.2006.313201
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper describes a modified rate control algorithm for H.264 that can accommodate multiple priority levels given a region of interest (RoI). The modified method allows better control of the quality of the RoI and gradual variation of the quality in the rest of the video frame through a bit redistribution process that is based on a number of parameters, including characteristics of the RoI, user input and perceptual factors.
引用
收藏
页码：53 / +
页数：2
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