Re: Removing background color from foreground object

On Jul 9, 9:08=A0am, Owen <xem...@[EMAIL PROTECTED]
> wrote:
> On Jul 8, 10:51 pm, mkwi...@[EMAIL PROTECTED]
 wrote:
>
> > How can one remove the color of the background from the foreground
> > object? =A0When someone stands to close to a green/blue screen when a
> > picture is taken, the color of the screen is mixed with the edges of
> > the object. =A0I think this is called "color spill." =A0I think
somehow
> > using the color channels of GIMP will help.
>
> Colours->Colour to alpha
>
> Owen

That appears to set the alpha channel to the intense of the chosen
color.  I don=92t see how that=92s going to help.