[argyllcms] Re: Comparison of Color Profiles to Human Perceptual Gamut
- From: "Wire ~" <wire@xxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Tue, 1 Feb 2022 17:13:38 -0800
I am looking for a text file or color profile that reflects the human
visual perceptual gamut so that I can compare the human visual gamut to my
device profile. I believe this information exists, but I was not successful
in locating it in a form that I could use for the comparison. Thanks. Mark
Dear Mark, hopefully you can now see that your question, well intended as
it is, has no clear answer, because the question could be considered
ambiguous or even meaningless, depending on how the knowledgeable reader
interprets your request.
In my response, I treated your request for a "text file or color profile"
as 'some frame of reference for the device you have at hand'. The tool I
suggested will meet that need.
Others are reading different modes into your request, possibly because you
ordered your query beginning with "human visual perceptual gamut" followed
by "device profile" which leads an informed reader to wonder if you are
seriously asking how to treat the eye as a device referenced against some
other maybe miraculous device you have on hand, Dr. Mizen.
If your request is taken at face value, it reads something like, 'can
anyone give me a text file or sheet of graph paper by which I can compare
these other sheets of graph paper I have laying around?'
To put it another way, the spectrum locus is a set of coordinates which is
inferred from visual experiments, based on approximations of eye response
to radiation. The coordinates system at its root is inseparable from a
theory of human vision. In order to understand the coordinate system, you
have to connect it to this model.
The most accessible paper I've come across to introduce the model is the
following:
*A Beginner’s Guide to (CIE) Colorimetry* by Chandler Abraham
https://medium.com/hipster-color-science/a-beginners-guide-to-colorimetry-401f1830b65a
It's very readable and by the last act I predict you will have a sense of
why your question has no clear answer, yet the intelligent and
accomplished people on this list are excited to expand upon and discuss
your query.
Best to you
On Tue, Feb 1, 2022 at 3:46 PM Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:
edmund ronald wrote:
I guess you're right. In particular a tetrachromat human female will
perceive a different world from a run of the mill trichromat male ...
If they exist. The paper describing the discovery of such a
person is unconvincing....
Graeme Gill.
Other related posts:
