A Distributed JPEG2000 Coding Algorithm Based on Mobile Agent

被引：0
|
作者：
Liu Zhixing [1 ]
Zhang Jing [1 ]
Zhuo Li [1 ]
机构：
[1] Beijing Univ Technol, Signal & Informat Proc Lab, Beijing, Peoples R China
来源：
2009 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2009) | 2009年
关键词：
distributed JPEG2000; mobile agent; DWT; PCRD; WSN;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A distributed JPEG2000 coding algorithm based on mobile agent is proposed. The network nodes in wireless sensor network (WSN) have limited calculation capability and energy. In order to realize image compression and transmission in WSN, the main contributions of our algorithm are that: (1) a distributed discrete wavelet transform (DWT) in JPEG2000 is utilized. (2) Post-compression rate-distortion (PCRD) optimization algorithm based on mobile agent is proposed for rate control. Simulation results show that the proposed algorithm has better coding performance. Especially, it can effectively balance network energy consumption and prolong the network lifetime.
引用
收藏
页码：1481 / 1485
页数：5
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