Re: Camera profiling with ICC et al
Re: Camera profiling with ICC et al
- Subject: Re: Camera profiling with ICC et al
- From: Lars Borg <email@hidden>
- Date: Tue, 16 Sep 2008 11:38:53 -0700
Hi Eric,
So maybe there are only 6 pigments in CC24??
That would be disappointing
Lars
At 10:56 PM -0400 9/15/08, <email@hidden> wrote:
Eric,
Actually the first 6 principal components account for nearly all the
variation, so the 24 patches are highly correlated. And despite claims to the
contrary, there is no way that a reflective target, no matter how
well designed can
reproduce the complex interreflections, translucence, and other non-reflective
effects that make up most of the scenes we wish to reproduce. Colorants behave
very differently spectrally depending on the mode of illumination.
The other Eric
Eric Walowit
Tahoe
In a message dated 9/15/08 7:09:13 PM,
email@hidden writes:
most of the patches on the CC 24 are linearly independent, which is not
true of the larger targets. (This can be verified by doing an appropriate
decomposition of the spectral data.)
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