Thank you very much, Iwert :-)
--
Michael
On 15/04/2008, iwert bernakiewicz <zuikooh@xxxxxxxxx> wrote:
>
>
> This may sound awkward, but first go to greyscale and then convert back to
> RGB.
> However, for B&W greyscale is perfectly ok, since greyscale is B&W.
> If you'ld like to add some colour converting to RGB is necessary!
>
> good luck,
>
> Iwert
>
> 2008/4/15, Michael Wong <mialop.wong@xxxxxxxxx>:
>
> >
> > Hi, Iwert,
> > I have tried the method of convert RGB color to LAB color & have found
> the
> > effect is very good.. But after I delete A & B channels, I fail to
> switch to
> > RGB color as the option is "grey". How do I convert from LAB color to
> > RGB/B&W? Thanks.
> >
> > http://www.michaelphotography.net/others/Picture001.png
> >
> >
> > --
> > Michael
> >
> > On 15/04/2008, iwert bernakiewicz <zuikooh@xxxxxxxxx> wrote:
> > >
> > >
> >
> > > Hello Michael,
> > >
> > > if you scan as RGB, the images will be colour, with a slight sepia
> cast.
> > > To transform these to B&W you can use the desaturate command.
> > > Another (interesting) option is to convert from RGB colour to LAB
> colour.
> > > Switch to the channels, end than delete the A & B channels, just
> > > keeping the lightness channel. Then you can adjust as you like and
> > > convert back to B&W /RGB.
> > >
> > >
> > > Iwert
>
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