Scalable Distributed Video Coding for Wireless Video Sensor Networks

被引：3
|
作者：
Yang, Hong [1 ,2 ]
Qing, Linbo [1 ]
He, Xiaohai [1 ]
Xiong, Shuhua [1 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, Chengdu, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Chengdu Coll, Chengdu, Sichuan, Peoples R China
来源：
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS | 2018年 / E101D卷 / 01期
基金：
中国国家自然科学基金;
关键词：
distributed video coding; scalable video coding; wireless video sensor network; wavelet transform; Slepian-Wolf coding; STANDARD;
D O I：
10.1587/transinf.2017MUP0006
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Wireless video sensor networks address problems, such as low power consumption of sensor nodes, low computing capacity of nodes, and unstable channel bandwidth. To transmit video of distributed video coding in wireless video sensor networks, we propose an efficient scalable distributed video coding scheme. In this scheme, the scalable Wyner-Ziv frame is based on transmission of different wavelet information, while the Key frame is based on transmission of different residual information. A successive refinement of side information for the Wyner-Ziv and Key frames are proposed in this scheme. Test results show that both the Wyner-Ziv and Key frames have four layers in quality and bit-rate scalable, but no increase in complexity of the encoder.
引用
收藏
页码：20 / 27
页数：8
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