Yes. L is quite interesting. A big move with L gets you funny colours too.
You end up having to balance a contrast change in both the L channel and the
"R, G, B" channel to get colour that doesn't go totally wonky.
Jawed
> -----Original Message-----
> From: owner-filmscanners@halftone.co.uk
> [mailto:owner-filmscanners@halftone.co.uk]On Behalf Of Maris V. Lidaka,
> Sr.
> Sent: 22 November 2001 17:50
> To: filmscanners@halftone.co.uk
> Subject: Re: filmscanners: Re: Nikonscan v VueScan
>
>
> Have you tried converting to LAB and then adjusting the curve in
> the L channel only?
> See the last section of http://www.ledet.com/margulis/LABCorrection.pdf
>
> Maris
>
> ----- Original Message -----
> From: "Jawed Ashraf" <Jawed@cupidity.force9.co.uk>
> To: <filmscanners@halftone.co.uk>
> Sent: Thursday, November 22, 2001 4:00 AM
> Subject: RE: filmscanners: Re: Nikonscan v VueScan
>
>
> | Yes I've tried curves of all kinds. I just wish I hadn't
> pursued the "flat
> | is best" school, because it was a very serious waste of time
> (well, OK, I
> | learnt to reject it).
>
> [remainder snipped]
>
>