Date   : Fri, 29 Jun 2001 09:24:21 -0700
From   : Angus Duggan <angus.duggan@...>
Subject: Re: Wouter's vital doc scans 'n stuff

W.H.Scholten writes:
>No it isn't. Who's talking about saving it more than once? Why would you
>save again? To change resolution, but then that's for viewing, so that
>doesn't really matter. If the jpeg shows nearly the ink dots resolution
>for example, there's absolutely no point in using another format.

JPEG is a very bad format for text scans, because it shows significant
aliasing (throws away the high-frequency components which are present at high
constrast boundaries). It doesn't compress well because of this, and makes
OCR harder.

a.