Le sam 21 avr, Stef m'a ?crit:
xscanimage has an interactive gamma curve editor that is worth trying
in
your case. You must note that gamma correction only works with a 8 bits
depth,
not in 16 bits per color (it's an hardware limit).
Many thanks, Stef, xscanimage allows me to get
Le samedi 14 avril 2012 14:36:38 Gauthier Vandemoortele a ?crit :
Le sam 14 avr, m. allan noah m'a ?crit:
Threshold is only for binary (lineart) images.
allan
Thanks for this 1rst explanation. But about gamma ?
My problem is that the scan of dark photos leads to pictures where
the
Hello,
I'm using sane-utils 1.0.22-7 on a debian testing, and my scanner is
an HP scanjet 2300c, that seems correctly detected:
$ scanimage -L
device `genesys:libusb:002:002' is a Hewlett Packard ScanJet 2300c flatbed
scanner
$ scanimage -h
[...]
Enhancement:
Threshold is only for binary (lineart) images.
allan
On Sat, Apr 14, 2012 at 5:48 AM, Gauthier gvdmoort at skynet.be wrote:
Hello,
I'm using sane-utils 1.0.22-7 on a debian testing, and my scanner is
an HP scanjet 2300c, that seems correctly detected:
?$ scanimage -L
?device
Le sam 14 avr, m. allan noah m'a ?crit:
Threshold is only for binary (lineart) images.
allan
Thanks for this 1rst explanation. But about gamma ?
My problem is that the scan of dark photos leads to pictures where
the loud keys are saturated (?bouch?s? in french); I can't retrieve
the details
