摘要
随着信息量的不断增加,现在用计算机处理的文件越来越大,并且这些信息的表达都存在一定的冗余,因此我们需要使用压缩算法对信息进行压缩。本文介绍了数据压缩算法的发展历程和Z77压缩算法的编程实现。
With the constant increase of the amount of information, the file dealt with the computer now is bigger and bigger, and expressions of the information all have certain redundancy, so we need to use the algorithm of compressing to compress information. This text introduce data compress development course of algorithm , introduce LZ77 compress to become realization Cheng algorithm in detail.
出处
《西昌学院学报（自然科学版）》
2005年第1期88-91,共4页
Journal of Xichang University(Natural Science Edition)
关键词
无损压缩
LZ77
冗余
滑动窗口
熵
Compress harmlessly LZ77
Redundant
Slip_window
Entropy
