On Tuesday 13 January 2004 18:02, Christopher Marshall wrote:
> allan:
>
> I am using the CanonScan LiDE 30 with the plustek backend.
>
> Chris
Then the contrast option manipulates the lut, as well as the brightness
option. The analog front end values are not touched.
Ciao,
Gerhard
> I was just curious if specifying a contrast argument to the backend
> is different from doing a default scan and adjusting the contrast in
> the gimp after the scan.
The contrast argument is not a standard option, so it depends on the
backend.
Gamma curve adjustment is often better done in the
depends on the scanner. more expensive models will change the lut the a/d
uses inside the scanner. cheaper models will do this in the backend. which
scanner/backend are you using?
allan
On Tue, 13 Jan 2004, Christopher Marshall wrote:
> I was just curious if specifying a contrast argument to t
allan:
I am using the CanonScan LiDE 30 with the plustek backend.
Chris
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I was just curious if specifying a contrast argument to the backend is
different from doing a
default scan and adjusting the contrast in the gimp after the scan.
I would imagine that it does mean something different in that you would be
setting the contrast
before the A/D step in the scanner if
