[Sugar-devel] De-yellowing page images?

[James Simmons]

Chris,

Thanks, I'll try that.

James Simmons


On Mon, May 10, 2010 at 10:29 AM, Chris Ball <cjb at laptop.org> wrote:
> Hi,
>
>   > 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?
>
> Is the book printed in color?  If not, you could simply convert to
> greyscale (and optionally adjust brightness/levels afterwards):
>
>   % convert -colorspace Gray source.jpg greyscale.jpg
>
> - Chris.
> --
> Chris Ball   <cjb at laptop.org>
> One Laptop Per Child
>