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

页码：146 / +

页数：2

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