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From: wes@maui.lbl.gov (Wes Bethel)
Newsgroups: comp.graphics
Subject: Re: Compression of multi-bit images
Message-ID: <5798@helios.ee.lbl.gov>
Date: 12 Jun 90 20:33:58 GMT
References: <8099@b11.ingr.com> <SPENCER.90Jun4170821@spline.eecs.umich.edu> <1990Jun7.220852.5994@laguna.ccsf.caltech.edu>
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Reply-To: wes@maui.lbl.gov (Wes Bethel)
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X-Local-Date: 12 Jun 90 13:33:58 PDT

[stuff deleted]
>  (I believe
>they got about 4:1 with no loss, and could got 11:1 with very little
>visible loss of image quality in their 24-bit images.
>

I'm wondering if anyone has a feel for whether or not the 'loss' is
cumulative or will it cease after the initial 'hit'.  I can envision
image compression losses occuring in the first application of the
cosine transformation, but not occuring in subsequent applications.

Can the same be said of other compression techniques (where loss
can occur) as well?

Enquiring minds....

wes