Re: colorsync and image capture
Re: colorsync and image capture
- Subject: Re: colorsync and image capture
- From: John Gnaegy <email@hidden>
- Date: Thu, 21 Nov 2002 16:34:34 -0800
I agree it's not ideal to use a single profile to describe a camera,
but it seems that a separate profile for each white balance setting
(except Automatic) should work. Well, let me extend that to meaning a
separate profile for each state of the camera, a state being composed
of all the user-changeable settings. So leaving the white balance and
any other changeable settings like saturation, contrast, film speed
equivalent, etc in the same state, then creating a profile to describe
the camera's behavior with those settings. Shutter speed and iris,
hmm, impractical to include those, and I would guess those don't affect
image color as drastically as things like white balance or saturation.
So if the image is too dark, well, it just stays dark because the
profile doesn't try to account for that, I don't have a problem with
that.
You won't be able to tell exactly what objective color a thing is, ie,
what Pantone color equates to this red shirt, but you should be able to
tell what that shirt looked like under the existing lighting
conditions, with the camera's inherent color shifting removed from the
equation via profile matching. If I take a picture at sunset, I want
that nice yellow of the sunset, I don't want it made objectively
correct so it looks like a setting sun at noon.
That's what I currently think, but I'm always interested in different
opinions on the subject. We're always interested in people's
experiences with profiling digital cameras, what's possible and what's
impossible, and what would be useful.
---
John Gnaegy
ColorSync, Image Capture
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