Digital Camera Profiling
Digital Camera Profiling
- Subject: Digital Camera Profiling
- From: Gerry Yaeger <email@hidden>
- Date: Mon, 15 Sep 2008 19:07:50 -0700
Lars Borg said:
snip
Given this, a camera calibrated against a chart can reproduce the
chart accurately under the calibration illuminant, but not an
arbitrary scene under an arbitrary illuminant. It seems the long
thread has ignored this point.
snip
Thanks for taking your time to answer. This was my point, the thread
is ignoring this point.
snip
The better approach is to calibrate the camera against the actual
reflectances, here oil paint pigments, being used. Several studies
have been done on this topic. To read more, see CIC proceedings.
snip
That was my thought at the time. If I could have gotten a sample of
all the pigments used from around the world and made my own chart.
snip
This is similar to how the issue sometimes is tackled for scanners,
where a unique profile is used for each film stock or other media
with a set of known, unique pigments.
snip
I have done this with scanners, there just were not enough different
film types available as targets. Thanks again.
Regards,
Gerry Yaeger
www.TheDigitalCoach.com
Now offering web based training.
619-889-6113
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