一种无线传感网中的分布式图像压缩传输方案
首发时间:2012-12-28
摘要:本文针对能量受限约束条件下无线传感器网络中图像传输问题,对无线传感器网络中的分布式图像压缩算法进行了研究。论文首先提出了一种基于簇头路由树的LEACH-C分布式图像压缩传输方案,通过无线传感器网络中各节点任务共享,提高了能量效率。然后搭建了网络仿真环境进行仿真。与未添加路由树的LEACH-C方案相比,本文方案可节省系统总能耗约50%。
关键词: 图像通信 无线传感器网络 JPEG2000 簇头路由树 LEACH-C
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A Distributed Image Compression and Transmission Algorithm in Wireless Sensor Network
Abstract:About image transmission method in energy-constrained wireless network, this paper made some research on distributed image compression algorithms. Firstly, the paper put forward a new kind of distributed image compression algorithm using LEACH-C routing method with cluster headers formed into trees, which improves energy efficiency by sharing the processing tasks among nodes. Secondly, this paper implemented the proposed algorithm with NS2, and results showed the proposed algorithm decreases the total energy consumption by 50 percentage, compared with distributed image compression algorithm without trees of cluster headers.
Keywords: image transmision WSN JPEG2000 trees of cluster headers LEACH-C
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