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

2009-04-02 Thread Stefan Kempf
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.

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

2009-04-02 Thread Ilia Sotnikov
On Thu, Apr 2, 2009 at 2:03 AM, Stefan Kempf steke at gmx.net wrote: 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

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

2009-04-02 Thread Stefan Kempf
Hi Ilia, oh-ha, thanks for info. ... These calculations gave near the same tables as original Windows drivers sent if I look at the two histograms - I could mail them to you - it looks like a 'not too small' difference. ...That could be because the scanner receives two tables (maps), I've