[argyllcms] Fwd: Simple how-to on camera profiling
- From: Karljohan Lundin Palmerius <karljohan.palmerius@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 17 Mar 2010 07:19:05 +0100
Hi,
I'm a "user" of colour profiling but not very knowledgeable, but I
finally think that I've managed to put bits and pieces together to
define a work flow for creating a settings specific colour profile for
a camera. I've written a how-to on this to help others in my
situation. I welcome anyone to comment on the procedure and chosen
parameters. It should be noted that I use QPCard201 which has a
relatively small set of colour patches and so can't be expected to
suffice for a detailed colour profile.
http://staffwww.itn.liu.se/~karlu/div/howto/cameraProfile.php
To facilitate the process of extracting the target's colour patches,
I've implemented a GUI for marking the "fiducial square" to get the
coordinates to put into scanin. I could not find anything like it so I
just had to implement my own. It's a bit of a hack, but features
rendering of the target geometry which is very useful, especially if
the target is not entirely flat so that the geometry has to be
tweaked.
Anyway, I have not made extensive tests since I'm an amateur
photographer, but the tests I've made so far yields much better result
than the profiles accompanying the camera (Canon EOS 350D).
/ KJ
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