利用H.264/AVC 数据分割实现GOP级视频传输的方法

doi:10.3969/j.issn.1001-2400.2011.03.006

J4 ›› 2011, Vol. 38 ›› Issue (3): 29-36+113.doi: 10.3969/j.issn.1001-2400.2011.03.006

利用H.264/AVC 数据分割实现GOP级视频传输的方法

冯妮娜；常义林；李鹏；杨付正；卢朝阳

(西安电子科技大学综合业务网理论及关键技术国家重点实验室，陕西西安 710071)

收稿日期:2010-04-08 出版日期:2011-06-20 发布日期:2011-07-14
通讯作者: 冯妮娜
作者简介:冯妮娜(1981-)，女，西安电子科技大学博士研究生，E-mail: nina2375@163.com．
基金资助:
国家自然科学基金资助项目(60772134， 60902081，60902052)|高等学校学科创新引智计划资助项目(B08038)|中央高校基本科研业务费专项资金资助项目(72105457)

GOP-level video transmission method using data partitioning in H.264/AVC

FENG Ni'na；CHANG Yilin；LI Peng；YANG Fuzheng；LU Zhaoyang

(State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an 710071， China)

Received:2010-04-08 Online:2011-06-20 Published:2011-07-14
Contact: FENG Ni'na

摘要/Abstract

摘要：

H.264/AVC中slice的各个数据分割部分和GOP内不同编码类型的帧对视频恢复质量影响不同．根据这一特性，提出一种度量GOP内不同帧中各个数据分割部分重要性的失真推导算法，再利用所得的重要性提出一种与视频内容和信道条件都自适应适配的GOP级视频传输方法．度量重要性所使用的失真推导算法考虑了由误码扩散和误码掩盖引入的失真．实验结果表明，使用推导算法计算所得的失真与仿真所得的失真基本吻合，与基于slice数据分割的视频传输方法相比，所提出的GOP级视频传输方法提高了视频恢复质量，最好可提高2dB以上．

关键词: 视频传输, 数据分割, 失真推导, 优先级划分

Abstract:

In H.264/AVC, different partition parts in one slice and different types of coded frame in one GOP are of unequal importance to the reconstructed video quality. Based on these characteristics, a distortion derivation algorithm for evaluating the importance of different partition parts of different frames is presented. Moreover, a video content and channel adaptive video transmission scheme is proposed based on the determined importance, in which priority sorting is adaptively adjusted to match the characteristics of video content and current channel condition. The distortion derivation algorithm for determining the importance takes into account the total distortion caused by error propagation and error concealment. Experimental results demonstrate that the distortion derived accords with the distortion in simulation, and that the video transmission scheme based on the proposed priority sorting method improves the reconstruction video quality by more than 2dB compared with the video transmission scheme based on data partitioning in one slice.

Key words: video transmission, data partitioning, distortion derivation, priority sorting

冯妮娜；常义林；李鹏；杨付正；卢朝阳. 利用H.264/AVC 数据分割实现GOP级视频传输的方法[J]. J4, 2011, 38(3): 29-36+113.

FENG Ni'na；CHANG Yilin；LI Peng；YANG Fuzheng；LU Zhaoyang. GOP-level video transmission method using data partitioning in H.264/AVC[J]. J4, 2011, 38(3): 29-36+113.

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利用H.264/AVC 数据分割实现GOP级视频传输的方法

GOP-level video transmission method using data partitioning in H.264/AVC

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