[sane-devel] HP Scanjet 5590: Scanning in Grayscale - Mode

Stefan Kempf steke at gmx.net
Wed Apr 1 23:03:53 UTC 2009


Hello,

the feeling of a grayscale-Image scanned by sane is like lineart. When I do
the same scan with HP-Scan-Util in XP, then it is a good Grayscale-image with
many details.

I've two examples of the same scan plus the differences in the histogram.
In the histogram, the differences are evident.

At the moment, the grayscale-images made by sane are not in good condition.

Perhaps, there are some hidden settings to avoid a manipulation of the
raw-data of the scanned image?

Best Regards
Stefan Kempf



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