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- Path: erinews.ericsson.se!usenet
- From: Jonas Elfstrom <jonas@plea.se>
- Newsgroups: comp.sys.amiga.misc
- Subject: Re: Fractal compression for Amiga?
- Date: Fri, 19 Apr 1996 16:16:54 +0000
- Organization: PLEA http://plea.se/
- Message-ID: <3177BC76.3682@plea.se>
- References: <472.6656T105T1583@mbox200.swipnet.se> <4k6saf$j7j@catapult.gatech.edu>
- <746.6671T210T488@mbox200.swipnet.se> <4l4899$pjc@catapult.gatech.edu> <1934.6682T1341T1707@mbox200.swipnet.se>
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- Johan Otterstrom wrote:
- >
- > >Johan Otterstrom (videoking@mbox200.swipnet.se) wrote:
- > >: > I wrote a rather rudimentary "fractal" image compression program
- > >: >for my Amiga a few years back in AmigaBASIC
- >
- > >: What would be great would be a plugin for ImageFX ot ADPRO, I'm sure Nova
- > >: is looking at this new format.
- >
- > >: > If you like, I'll ask Dr. Barnsley (holder
- > >: of half the patents I >"violated") if he'll let me release this program.
- >
- > >: Why not it seems like a very ineresting compression for the future,
- > >: especially for internet stuff vere the biggest problem is the size of all
- > >: bitmaps. What if all bitmaps were 50 times smaller.... Must be a great
- > >: potential for this..
- >
- > >: If fractalcompressed images is as fast to decompress (much faster than
- > >: jpg's, then it must revolutionise the future of internet.)
- >
- > > The problem is that "fractal" image compression algorithms are seldom
- > >symmetrical: They take MUCH longer to compress than decompress! In fact,
- > >there's an old joke that the best "fractal" compression algorithm is the
- > >"graduate student in a closet" routine."
- >
- > > The other problem is that there are other algorithms available that
- > are
- > >faster, compress tighter, and are less lossy. One that looks promising is
- > >"wavelet compression. Wavelet theory seems to be taking the scientific
- > >communitty by storm, not unlike Chaos theory and Catastrophy Theory a few
- > >years ago....
- >
- > Wavelet compression, is this what NewTek's flyer system uses? I know it
- > doesn't use JPEG/MPEG or MJPEG. Jpeg is really a crappy tecnique. You can only
- > apply a very low compression before you see the artifacts.
-
- I don't know about NewTek.
- 80% JPEG is quite nice I think, for photos that is.
-
- Check altavista: wavelet +compression
- lot of pages.
-
- --
- / Jonas Elfstrom (5+ rows .sigs sux) jonas@plea.se \
- < Amiga, Linux, ISP, C, 680x0/6502. Guinness. Suede, Oasis, SP. >
- \ We are here to PLEAse you. +46 19 322010 http://www.plea.se/
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