BD-LZW picture compression algorithm for WSN system

被引：0
|
作者：
Zhan, Jinlan [1 ]
Zhou, Qingguo
Bai, Shuwei
Li Cuihua [1 ]
Hu, Bin [2 ]
Li, Lian
机构：
[1] Xiamen Univ, Dept Comp Sci, Video & Image Proc Lab, Xiamen, Peoples R China
[2] Univ Ctr England, Derwen, England
来源：
2008 3RD INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND APPLICATIONS, VOLS 1 AND 2 | 2008年
基金：
中国国家自然科学基金;
关键词：
BD-LZW; Parallel LZW; Compression; Multi-processor; WSN;
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In the paper, a new parallel LZW-Like algorithm, bi-directory LZW algorithm (BD-LZW) will be interpreted The new algorithm can be used in data compression/decompression system which runs on multi-microprocessor system, such as CELL, which the algorithm will be implemented on. Different from the conventional parallel LZW algorithm with one input directory, BD-LZW algorithm allows two threads reading characters from two ends of string. By this method, the data can be partitioned for compression/decompression loading between two threads fairly and easily. The most important is the compression performance can be improved by the new algorithm. Comparing running time, it's lower 10% than conventional parallel LZW (P-LZW) algorithm when there are two threads running on CELL architecture.
引用
收藏
页码：146 / +
页数：2
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