Method of data interleaving for H.264 video communication

SONG Bin; GUO Chun-fang; QIN Hao

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Method of data interleaving for H.264 video communication

更新时间：2024-10-14

- Method of data interleaving for H.264 video communication
- Issue 6, Pages: 74-79(2007)
- 作者机构：
  
  1. 西安电子科技大学ISN国家重点实验室
  2. 西安电子科技大学ISN国家重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.8
- Published：2007
- 稿件说明：
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SONG Bin, GUO Chun-fang, QIN Hao. Method of data interleaving for H.264 video communication[J]. 2007, (6): 74-79.
DOI：

SONG Bin, GUO Chun-fang, QIN Hao. Method of data interleaving for H.264 video communication[J]. 2007, (6): 74-79. DOI：

摘要

根据H.264中NALU(网络适配层单元)结构和实时视频通信的特点

提出了一种在分组网络上传输H.264码流的交织保护算法。该算法结合前向纠删保护

可以对具有不同重要程度的H.264视频数据进行不等保护。另外

基于该算法提出了一种新的支持交织保护的RTP载荷结构和封装方法。实验结果表明

在5%的丢包环境下

与使用简单误码掩盖算法相比

恢复图像PSNR可以提高8dB以上

且信道传输速率基本没有变化

可以提高H.264视频通信的QoS。

Abstract

According to the NALU of H.264 and the characteristic of real-time video communication

a method of data interleaving for H.264 video communication was presented.Using forward erasure correction

this method could provide the unequal protection mechanism to the H.264 video stream.The more important the H.264 video stream

the stronger protection it could provide.Furthermore

a novel format of RTP payload and encapsulation was also proposed.Simulation results show that the quality of the reconstructed video can be greatly increased with similar bit rates by using the presented method.

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