Sorry- hit send too soon- more inline below... On Tue, Feb 15, 2011 at 9:16 AM, m. allan noah <kitno455 at gmail.com> wrote: > If you are scanning in binary, the sane backend for your scanner would > need to expose brightness/contrast/threshold options, and gscan2pdf > would need to let you change them. You did not say which scanner or > backend. > > If you are scanning in gray or color, and something else is binarizing the > image, I cannot guess the solution.
If you are leaving the image in gray or color, you would need brightness/contrast/gamma controls from the sane backend, or possibly from gscan2pdf itself. Threshold only applies to binarization. allan -- "The truth is an offense, but not a sin"
