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July 2004
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2004.07.10 19:22 "Re: LZW and libtiff", by Andrey Kiselev
On Sat, Jul 10, 2004 at 10:31:52AM -0500, Bob Friesenhahn wrote: > > Don't forget that IBM still has an LZW patent in effect. > > http://yro.slashdot.org/article.pl?sid=04/07/06/1717243 > > Interesting. Clearly it can be demonstrated that there was prior-art > since UNISYS obtained a patent on the same algorithm several years > earlier. No, the algorithms are different (though both of them are LZ78 modifications). -- Andrey V. Kiselev Home phone: +7 812 5274898 ICQ# 26871517