manual file types

From: Fritz Chwolka <>
Date: Tue Feb 1 09:42:15 2005

On Tue, 1 Feb 2005 10:30:17 -0500, Paul Koning wrote:

>>>>>> "John" == John Allain <> writes:
> >> The general consensus seems to be that bi-level scanning with a
> >> resolution of at least 300dpi but preferably 400dpi

>Oh yes, never never never use JPEG for compressing text or line art
>scans. For one thing, it butchers the image, and besides, the
>compression isn't very effective. A scan with the page background
>cleaned up to mostly-white will produce a SMALLER file if compressed
>by lossless compression in TIFF, PNG, or GIF, than it does when
>compressed with the lossy JPEG. (The "P" in JPEG stands for
>"photography" -- and indeed JPEG is ONLY fit for photographs and
>similar continuous-tone images, and not for any other kind.)
> paul

Badly my favorite software ABBY finereader 6 uses JPEG for
I don't know what finerader 7 makes.
Finerader 5 makes uses gif compressing format.
So what shall I do?

Mit freundlichen Gruessen

Fritz Chwolka
Received on Tue Feb 01 2005 - 09:42:15 GMT

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