[sane-devel] HP 2300C: impossible to get extras functionnalities from scanimage

[Gauthier Vandemoortele]

Le sam 14 avr, m. allan noah m'a écrit:
> 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 («bouchés» in french); I can't retrieve
the details by post-processing, so it's essential to collect
lighter values during the acquisition.

-- 
Gauthier