[sane-devel] Re: Affordable film scanner supported by SANE

Hubert Figuiere hfiguiere@teaser.fr
Wed, 19 Mar 2003 14:38:39 +0100


On mercredi, mars 19, 2003, at 12:03 Europe/Paris, James Beard wrote:

> What is the main information that Vuescan uses to allow it to produce
> such good results?  I haven't had much of a chance to experiment, but
> the most obvious user defined settings were:
>
> 1. scanner model
> 2. film type
> 3. colour temperature
>
> Would scanner model be used to perform an overall colour correction, 
> and
> then the film type considered when removing the orange cast?  How would
> each of these contribute to the final result?  Are there any other
> important ones that I missed?


According to various readings, every scanner has a different CLUT[*]. 
Every film needs also a different CLUT.

http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=000QOR
http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=000E8u

and probably lot of other interesting postings. The scanner guru seems 
to be Scott Eaton (see his postings and al.) and it might be very 
interesting to get in touch with him.

Hub

[*] CLUT = Color Look Up Table.