[sane-devel] Blank threshold adjustable?

m. allan noah kitno455 at gmail.com
Tue Feb 15 14:21:56 UTC 2011

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.

"The truth is an offense, but not a sin"

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