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XYZ
"XYZ" is also a:
user
created by
xdc
(
thing
) by
Chaboud
(5.6 mon)
(
print
)
?
(
I like it!
)
1
C!
Fri May 12 2000 at 9:04:15
A
colorspace
created by
Commission Internationale de L'Eclairage
. Known as "capX, capY, capZ" XYZ tristimulus values are derived from the CIE's color matching functions of 1931. XYZ space is useful in that it contains all other color spaces. It's only major defficiency is its lack of
perceptual uniformity
, a problem corrected with
L*u*v*
and
L*a*b*
. L*u*v* and L*a*b* remain too
computationally
intensive for most
applications
. Due to the non-uniform distribution of
cones
and
rods
on the
human retina
, the
CIE
1931 standard observer (an
empirical
composite
of many test subjects) is only valid for the
fovea
vision of the eye. This is roughly two degrees of radial vision from view center. As the three variants of cones in our eyes respond to different wavelengths of light differently, the standard observer was derived from three components. The monochromatic stimulus components used for the standard observer are 435.8nm, 546.1nm and 700nm.
printable version
chaos
L*u*v*
CIE (x, y)
Luv
PQRST
XYZ Affair
perceptual uniformity
Cup of tea
zipper
L*a*b*
Best of XYZ volume 3
Why not?
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Commission Internationale de L'Eclairage
colorspace
Boards of Canada
Magnification
Attention
fly
RGB
Another Green World
Rush
Alan White
Chris Squire
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