@Dirk:
Thanks, I'll check out Median filters to see how they work out.
@All:
Meanwhile, I've did some post-processing tests in GIMP and found out
that a sequence of "Despeckle" and "Blur" work wonders!
Since this might be an issue for more than just the C4180 scanners, I
will post my results on
Thanks for your reply Dave!
hm... that's what I thought at first, since the windows-version is so
incredibly blurred.
However, I can't put my finger on it, but the characteristics of this
edge-noise just seem strange to me...
The edges of objects seem to be too distorted to fix by some
plain
Nice analyses on the image quality. :)
Our hpaio sane backend performs no up-stream image enhancements, so what
you see is uncompressed RGB or jpeg directly from the scanner.
The windows scanning solution does performs up-stream image enhancements
which may or may not be desirable.
In order to
Thursday 04 of October 2007 18:59:00 PB wrote:
> Since upgrading to HPLIP v1.7.7 I can finally use my HP C4180
> scanner/printer device for scanning, but the outcome is rather ugly.
The current version is 2.7.9.
> In order to give the developers the possibility, to "see" what I'm
> talking about,