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LZW compression and decompression in vhdl
Hi, can somebody help me to find an implementation of
LZW compression/decompression algorithm in VHDL?
Thanks a lot.
Eric
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 eric
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3/21/2007 2:05:38 PM |
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"eric" <erixx@gmx.net> wrote in message news:etre5p$ork$1@aioe.org...
> Hi, can somebody help me to find an implementation of
> LZW compression/decompression algorithm in VHDL?
>
> Thanks a lot.
>
> Eric
I'd be surprised to see anything for free. I was working on an LZW style
algorithm for my employer because there just isn't much out there that you
can get without paying big $$ to the big players in IP. I found later
another internal group in our 50k+ employee company also developed an LZW
style algorithm for their ASIC work.
You might be able to find the algorithm for big money.
LZW is a memory-hungry scheme and will take up a large chunk of your memory
resources especially if you have more than one stream. Interoperability is
another issue if you expect to work with other "standard" LZW schemes as
opposed to something proprietary. I can understand why there wasn't
anything out there when I was developing the algorithm for a proprietary,
closed system. It's still a push for me to consider it in the newest
generation of low cost FPGAs.
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John_H
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3/21/2007 3:29:12 PM
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1 Replies
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