how to do the image compression and decompression using lzw algorithm

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I firoj bijali. I want to know how LZW algorithm is used to compress and decompress image file(.jpg or gif). Please help me.

Posted 29-Apr-15 20:31pm

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Sergey Alexandrovich Kryukov 30-Apr-15 2:59am

Why?
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-04-29T20:59:00

It makes no sense at all. Both types of files are already compressed. Amazingly, GIF is compressed using the same very LZW algorithm: http://en.wikipedia.org/wiki/GIF[^].

JPEG uses lossy compression algorithm, with loss of quality (which depends on parameters), so its compression factors are higher. Therefore, LZH compression will barely compress it. Please see: http://en.wikipedia.org/wiki/JPEG[^].

—SA