[argyllcms] Re: Camera calibration: LUT only as good as matrix?
- From: Torsten Bronger <bronger@xxxxxxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 11 Jul 2013 09:46:19 +0200
Hallöchen!
Graeme Gill writes:
> Torsten Bronger wrote:
>
>> indeed reduced. This is a good thing. But I would have thought
>> that the *much* bigger flexibility of a LUT would decrease the
>> maximal residual error drastically. But this is not the case.
>> Some patches are still way off in a noticable way. Why is this?
>> Is my workflow flawed, or is this as good as it gets?
>
> hard to say without a detailed investigation.
I found at least the dominating error: The corrected colours didn't
fit into sRGB, thus cctiff had to apply the rendering intent. So I
will stop looking at the output of cctiff and look at profcheck's
output instead.
Tschö,
Torsten.
--
Torsten Bronger Jabber ID: torsten.bronger@xxxxxxxxxxxxxxxxxxxxx
or http://bronger-jmp.appspot.com
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