On Wed, Jan 28, 2009 at 6:19 PM, una_020 <[email protected]> wrote:
> Hi,
> I wanted to know
> -->How easy is it to learn data compression withput any background?

If you understand this without any problems, then it won't be too hard
to do a basic lossles compressor:
http://en.wikipedia.org/wiki/Huffman_coding

> -->What are the pre-requisites for the subject?

Advanced maths and basic programming knowledge, I guess.

-- 
Tamas Marki

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