Re: LZ: Compression and patents
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At 07:10 AM 9/12/96 -0600, you wrote:
>-> I believe that LZW is no longer patented. I think Microsoft actually
>-> uses it in the real-time compression interface in DOS 6 and later.
>->
>-> Arithmetic, however, I *know* is still patented--which is why the
>-> MRCI doesn't use it, even though it is a better algorithm.
>->
>-> BTW--no algorithm works very well for code. I'd say 20 percent
>-> compression would be very good. This means that this whole project
>-> might not have much in the way of usable results! However, you might
>-> prove me wrong--I'd love to see it. Plus, it would be a great
>-> learning experience!
>
>If you used the BW Tranformation you could, It sorts the data and keeps
>a record of how it sorted them. Code has a lot of repetition it's just
>not consecutive.
>
Where could we find out more info on the BW Transformation. Thanks!
Ben
shakal@ns.net
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