2008年8月12日 星期二

LZW features

1. Even for the single symbol, the number of encoded output bits may be different
2. ' ' is treated the same as 'A'/'B' ... ??
3. The compression ration is about 2:1 for long English texts.
4. It's part of the GIF as well as (optionally) used in TIFF files.

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