Re: Profiling Digital Cameras
Re: Profiling Digital Cameras
- Subject: Re: Profiling Digital Cameras
- From: Thomas Knoll <email@hidden>
- Date: Sat, 9 Mar 2002 05:58:25 -0800
> Subject: Profiling Digital Cameras
To: email@hidden
From: email@hidden
Date: Fri, 8 Mar 2002 09:28:38 -0500
Would someone be so good as to explain to me why profiling a digital camera
is so difficult? It certainly isn't a cut and dry procedure and seems to
require a bit more finesse. I'd like to evolve past the built-in profiles
that shipped with our LightPhase camera backs. As of now I find I get
better color with Color Management disabled. I'd like to think that a
custom camera profile would solve many of these problems but our limited
experiments were not very promising. Any insight or helpful hints would be
> appreciated.
>
Building a perfect ICC profile for a digital camera viewing real
world scenes is only possible if the spectral response curves of the
camera happen to be an exact linear combination of the human eye's
cone response curves. Since there are no such cameras, perfect
digital camera profiles are impossible.
There are always going to be some objects that the camera "sees" to
be the same color, and the eye sees as different colors. A profile
cannot undo this data loss.
Thomas Knoll.
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