[argyllcms] Re: WP correction with ICC based CMS applications.
- From: Florian Höch <lists+argyllcms@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sun, 24 Oct 2010 16:10:22 +0200
Am 24.10.2010 01:09, schrieb János, Tóth F.:
[...] Absolute colorimetric is clearly broken in MPC-HC. It produces a
very bluish gray gradient with some other artifacts.
I can confirm this. Actually, in MPC-HC the result gets gradually bluer
the higher the whitepoint's color temperature of the display profile is.
I tried three profiles with absolute colorimetric in MPC-HC, one with
5000 K whitepont (blueish result, this is the only one where this is
expected as a 6500K whitepoint is simulated in a 5000K target space),
6500 K whitepoint (even more blueish where no change in whitepoint
should be expected at all), 10000K whitepoint (by far the most blueish
result, where it should be more yellowish). So I think you're right,
their implementation of absolute colorimetric rendering is currently
broken in one way or another.
--
Florian Höch
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