Re: camera colour spaces
Re: camera colour spaces
- Subject: Re: camera colour spaces
- From: "info" <email@hidden>
- Date: Tue, 11 Mar 2008 21:59:06 -0500
> It absolutely doesn't have to be an ICC profile (as Lightroom, Camera Raw and
> Aperture do this without such ICC profiles).
This surprises me because Bruce Fraser wrote that ACR uses two camera profiles for each camera, one built from a target shot at D65 and the other in tungsten light. This then is the mystery at the heart of my question. Without a profile how does this rendering characterise the devise, even just enough to be able to target these "output referenced "srgb colour values? Since the camera does not have cognitive perception how is it to know that a random set of data is the camera response to neutral grey ? Without factoring in the cameras spectral sensitivity a random set of data could just as easily be fire engine red or rust. No consumer would tolerate that kind of fluctuation around, lets say skin colour. That's why I cant grasp this rendering in a context where there is no device characterisation.
Paul Lowry
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