[sane-devel] Bleedthrough (was brightness/contrast/gamma LUT ideas?)

[Martin Collins]

On Mon, 10 Jul 2006 19:55:23 -0400
Jim McQuillan <jam at McQuil.com> wrote:

> i've found that documents printed on 20lb paper are getting some
> "bleed through". That is, the scan of the front is actually showing
> some of the stuff that is on the back of the page.
...
> I'm thinking that if I could reduce the brightness of the light, it
> may not bleed through so badly.

Maybe, but I think you will get better results by using a black
backing. It's a puzzle to me why so many scanners use white backing.

Martin