H.264 Based Multiple Description Video Coding Using Flexible GOP

被引：0
|
作者：
Bai, Huihui [1 ]
Zhang, Mengmeng [2 ]
Liu, Meiqin [1 ]
Cen, Yigang [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Informat Sci, Beijing 100044, Peoples R China
[2] North China Univ Technol, Coll Informat Engn, Beijing 100041, Peoples R China
来源：
PROCEEDINGS OF 2010 CROSS-STRAIT CONFERENCE ON INFORMATION SCIENCE AND TECHNOLOGY | 2010年
基金：
中国国家自然科学基金;
关键词：
multiple description coding; temporal sampling; group of picture (GOP);
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：
In this paper, we proposed a novel scheme of multiple description (MD) video coding, which is compatible with the current video standard H.264. The original video can be split into several sub-sequences using temporal sampling and then each sub-sequence can be encoded to produce independent description. In view of the motion characteristics of the original video, flexible group of picture (GOP) is applied instead of the fixed one when H.264 encoding. Therefore, the frames of high-motion will be encoded as I frames while the frames of slow-motion as P or B frames according to the length of the video sub-sequence. The experimental results show better rate distortion performance than the MD schemes using fixed GOP.
引用
收藏
页码：72 / +
页数：2
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