[Sugar-devel] De-yellowing page images?

[Thomas C Gilliard]

Gimp 2.6.6
Image/Mode/grey scale
Colors/Brightness-Contrast
Brightness 101
Contrast 62
see attached .jpg

Not sure how to batch this

Tom Gilliard

James Simmons wrote:
> I'm asking this question here because at the moment I don't know where
> else to ask.  The question relates to the Reading And Sugar book I'm
> doing.
>
> I'm scanning in book pages of a book printed in 1928.  The pages are
> quite yellow, but readable.  A sample is at:
>
> http://en.flossmanuals.net/bin/view/ReadingandSugar/ScanningBookPages
>
> I'd like to lighten or remove the yellowing from the pages to make the
> book more attractive.  Maybe leave the text alone and replace
> everything else with white.  I tried different things with GIMP
> without much luck.  Any ideas?
>
> Thanks,
>
> James Simmons
> _______________________________________________
> Sugar-devel mailing list
> Sugar-devel at lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/sugar-devel
>
>   
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