A design for distortion-aware cooperative relaying over wireless video sensor networks

被引：0

作者：

Quan, ShanGuo ^{[1
]}

Ha, Hojin ^{[2
]}

Kim, YoungYong ^{[1
]}

机构：

[1] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea

[2] Samsung Elect, Digital Media R&D Ctr, Suwon 443742, Gyeonggi Do, South Korea

来源：

IEICE ELECTRONICS EXPRESS | 2009年 / 6卷 / 13期

关键词：

optimal video quality; video distortion; H.264/AVC; error propagation; cooperative relaying;

D O I：

10.1587/elex.6.916

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a distortion-aware cooperative relaying (DACR) scheme for distortion minimized video transmission over wireless video sensor networks. We first introduce a simple performance metric considering the different spatial and temporal error propagation effects existing in a video packet. Then, we propose the DACR algorithm which achieves gradual video quality degradation due to packet loss under conditions of limited channel resources. Experimental results show that the proposed scheme outperforms other existing scheme, and can also support optimal video quality for variable channel status.

引用

下载

页码：916 / 922

页数：7

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