Description Usage Format Author(s) Source References Examples
ChromaticAdaptation
chromatic adaptation algorithms
implemented as a linear transformation (XYZ Scaling, Bradford and Von Kries).
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This array frame contains the following dimensions:
rows transformation matrix 3x3
columns transformation matrix 3x3
linear transformation (XYZ Scaling, Bradford or Von Kries)
transformation "direct" or "inverse"
Jose Gama
Bruce Justin Lindbloom, 2013 Color Calculator www.brucelindbloom.com
Bruce Justin Lindbloom, 2013 Color Calculator www.brucelindbloom.com
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Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2
Attaching package: 'Hmisc'
The following objects are masked from 'package:base':
format.pval, round.POSIXt, trunc.POSIXt, units
Loading required package: munsellinterpol
Loading required package: geometry
Loading required package: magic
Loading required package: abind
Loading required package: pracma
Attaching package: 'pracma'
The following object is masked from 'package:munsellinterpol':
hypot
The following objects are masked from 'package:geometry':
dot, polyarea
The following object is masked from 'package:magic':
magic
The following object is masked from 'package:Hmisc':
ceil
Loading required package: sp
Attaching package: 'colorscience'
The following objects are masked from 'package:munsellinterpol':
XYZ2xyY, xyY2XYZ
, , XYZScaling, direct
[,1] [,2] [,3]
[1,] 1 0 0
[2,] 0 1 0
[3,] 0 0 1
, , Bradford, direct
[,1] [,2] [,3]
[1,] 0.8951 0.2664 -0.1614
[2,] -0.7502 1.7135 0.0367
[3,] 0.0389 -0.0685 1.0296
, , VonKries, direct
[,1] [,2] [,3]
[1,] 0.40024 0.70760 -0.08081
[2,] -0.22630 1.16532 0.04570
[3,] 0.00000 0.00000 0.91822
, , XYZScaling, inverse
[,1] [,2] [,3]
[1,] 1 0 0
[2,] 0 1 0
[3,] 0 0 1
, , Bradford, inverse
[,1] [,2] [,3]
[1,] 0.9869929 -0.1470543 0.1599627
[2,] 0.4323053 0.5183603 0.0492912
[3,] -0.0085287 0.0400428 0.9684867
, , VonKries, inverse
[,1] [,2] [,3]
[1,] 1.8599364 -1.1293816 0.2198974
[2,] 0.3611914 0.6388125 -0.0000064
[3,] 0.0000000 0.0000000 1.0890636
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