文件名称:improvingLZW
- 所属分类：
- 压缩解压
- 资源属性：
- [PDF]
- 上传时间：
- 2012-11-26
- 文件大小：
- 121kb
- 下载次数：
- 0次
- 提 供 者：
- ViCToR*******
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LZW was originally designed for implementation by special hardware, but it
turned out to be highly suitable for efficient software implementations too. An enhanced
variant is available on UNIX systems and many other systems as the compress command.
We refer to this variant as LZC. The speed and compression performance of LZC are a
result of careful data structure design for hash table look-ups, some tuning and the addition
of logic for restarting the algorithm when the source file changes its characteristics
enough to worsen compression performance.
turned out to be highly suitable for efficient software implementations too. An enhanced
variant is available on UNIX systems and many other systems as the compress command.
We refer to this variant as LZC. The speed and compression performance of LZC are a
result of careful data structure design for hash table look-ups, some tuning and the addition
of logic for restarting the algorithm when the source file changes its characteristics
enough to worsen compression performance.
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improvingLZW.pdf