[sane-devel] gamma tables

[m. allan noah]

First you must make sure that the backend you are using supports the
gamma table options. Some do not, and just have brightness/contrast
type controls.

allan

On Tue, Jul 20, 2010 at 6:43 PM, Grant <emailgrant at gmail.com> wrote:
> Since my scans are for on-screen display only, I'd like to use a gamma
> table in place of an ICC profile.  It sounds like I need to determine
> values for gamma, shadow, and highlight so gamma4scanimage can
> generate the gamma table.  How can I determine those values?  Am I
> supposed to scan targets?
>
> - Grant
>
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