I've no experience with underwater images, but you may be interested in
pages 135-138 of Dan Margulis' book "Professional Photoshop 6". He is
essentiallu suggesting blending channels and using lighten blend mode.
Bob Wright
----- Original Message -----
From: mahimahi <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 28, 2001 2:41 PM
Subject: filmscanners: Color Cast removal/and blue blues
>
>
> --Hello
>
> I am having problems in regard to color cast removal when using the Nikon
> LS1000/silverfast combination. The problem shots are underwater images
which
> include a deep blue background but end up pea green. Shots that do not
> include a blue background.
>
> I also use a Acer 2720s which the factory software includes a film type
> selector. This helps a little but when scanning Fuji NPC 160 (which is not
> included in the list of film types) produces similar green output.
>
> Problem #2. (Positive film On both scanners) When trying to scan images
with
> a light blue background and a subject (Sperm Whale Infant) which is quite
> different in tone from the background on the original. The resulting
output
> is all blue (whale and background). Any tweaking of the color in the
scanner
> software to bring out the color of the subject results a water background
> that has a reddish purple tint.
>
>
>
>
>
>
>
