[argyllcms] Re: How can I tell if I'm using my profile? (and other questions)
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sat, 01 Nov 2008 03:22:31 +1100
Adrian Mariano wrote:
Under what circumstances will the ambient light correction be 1.0 so
that it doesn't change the result compared to the target curve without
ambient light adjustment.
It's a little complicated, since the CIECAM02 appearance space
transform is used to compute the correction. For all requested curves
except the two video curves (Rec709 and SMPTE240M), a display
with a brightness and ambient levels of 80 cd/m^2
would result in no change. For the two video curves,
a display with a brightness and ambient level of 318 cd/m^2
would result in no change.
Graeme Gill.
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