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colorscience (version 1.0.1)

Color Science Methods and Data

Description

Methods and data for color science - color conversions by observer, illuminant and gamma. Color matching functions and chromaticity diagrams. Color indices, color differences and spectral data conversion/analysis.

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Version

Install

install.packages('colorscience')

Monthly Downloads

699

Version

1.0.1

License

GPL (>= 3)

Maintainer

Jose Gama

Last Published

July 23rd, 2015

Functions in colorscience (1.0.1)

CIE1960UCS2CIE1964

Convert CIE 1960 UCS color space to CIE 1964 color space

Convert CCT to XYZ

CIE1976uv2CIE1960uv

CIE-1976 u'v' to CIE-1960 uv

MunsellV2relativeLuminanceY

Munsell value V to relative luminance Y

CIEluminanceY2NCSblackness

approximated NCS blackness s by the CIE luminance factor Y

Convert LEF coordinates to RGB

StearnsStearnscorrection

Stearns and Stearns correction

Taube60.Whiteness

Taube Whiteness

VosWalraven2degConeFundamentals1971

Vos & Walraven(1971) 2-deg cone fundamentals

convert from XYZ coordinates to CIE RGB coordinates

convert from Yxy coordinates to CIE 1960 UCS

tristimulusMunsell

434 Munsell colors with tristimulus and CMFs for a few illuminants

saturationCIELUV

CIELUV/CIELAB saturation

convert from chromaticity coordinates to correlated color temperature

ASTM.E313.Whiteness

ASTM E313 Whiteness

Tint indices: CIE Tint and ASTM E313 Tint

Convert CMYK coordinates to CMY

DIN6167.YellownessIndex

Munsell100hues55FM100

Munsell 100-Hues at 5/5, production numbers 101 to 200 and Farnsworth-Munsell 100 Hue test

NickersonColorDifference

Nickerson Color Difference

PreucilPercentGreyness

Preucil Percentage of Greyness

convert from XYZ coordinates to Hunter Lab coordinates

CIE XYZ "Y" to Munsell value

Delta E (CIE 1976)

convert spectral data to tristimulus values

spectra2CRIGAIFSCI

CRI, GAI and FSCI from spectra

Blackbody radiator color temperature to CIE 1931 x,y chromaticity approximation function

whitepointsilluminants

White points of standard illuminants

CIE1931xy2CIE1960uv

Convert CIE 1931 xy color space to CIE 1960 uv color space

Convert CMYK coordinates to RGB

GanzGrieser.Whiteness

Ganz and Grieser Whiteness

ChromaticAdaptation

Chromatic adaptation algorithms

DominantWavelength

Convert CMY coordinates to CMYK

Convert HunterLab coordinates to XYZ

Convert CIE Luv coordinates to CIE Lab

PreucilPercentHueError

Preucil Percentage of Greyness

Convert RGB coordinates to PhotoYCC

MaterialReferenceData

Material Reference Data from Principles of Digital Image Synthesis

StockmanSharpe2degCMFadj2000

Stockman & Sharpe (2000) 2-deg cone fundamentals

convert from XYZ coordinates to Yuv coordinates

XYZTannenbaum1974

Approximations from wavelengths to XYZ by Tannenbaum 1974

convert from Yuv coordinates to xy coordinates

heuristic.wlnm2RGB

Approximations from wavelengths to RGB

createIsoTempLinesTable

table of isotemperature lines for use with the Robertson Method

emittanceblackbodyPlanck

emittance of a black body of temperature T at a given wavelength

Approximations from wavelengths to XYZ by Wyman et al

ASTM.D1925.YellownessIndex

ASTM D 1925 Yellowness Index for Plastics

Munsell100hues55

Chromaticity diagram showing values for x and y for Illuminant A for 100 hues at 5/5

CIE1976uvSaturation

CIE 1976 uv Saturation

CIE (1964) 10-deg chromaticity coordinates

chromaticity.diagram

Plot the chromaticity diagram

converts between spherical and cartesian coordinates for DKL

Relative spectral power distributions of CIE illuminant A at 1 nm interval

saturationCIECAM02

saturation CIECAM 2002

Relative spectral power distributions of CIE illuminant D65 at 1 nm interval

Illuminance (Lux) from spectra

Interpolates an n by w matrix of spectra, sprague

Approximates wavelength to CIE tristimulus XYZ

MaxChromaFromExtrapRenotationData

Table with maximum chroma for which extrapolated renotation data is available

Berger59.Whiteness

Berger (59) Whiteness

CIE1931XYZ2CIE1931xyz

Convert CIE 1931 XYZ color space to CIE 1931 xyz color space

CIE1976uv2CIE1931xy

CIE-1976 u'v' to CIE-1931 xy

GanzGrieser.Tint

Ganz and Grieser Tint

Convert HSV coordinates to RGB

Maxwell.triangle

Plot the Maxwell triangle

Convert CIE Lab coordinates to CIE Luv

Convert RGB coordinates to YCbCr

StockmanMacLeodJohnson2degStilesBurchConeFundamentals1993

Stockman, MacLeod & Johnson (1993) 2-deg fundamentals

Convert sRGB coordinates to CMY

The spectral reflectance data of 14 color test samples for CRI

Convert Yuv coordinates to Luv

chromaticity.diagram.color

Plot the chromaticity diagram line with color

conversionIlluminance

Conversion Factors for Units of Illuminance

CIE 1931 2-deg, XYZ CMFs

makeChromaticAdaptationMatrix

Generate a Chromatic Adaptation matrix

xyChromaticitiesVos1978

x, y coordinates transformed to Judd (1951) x', y' system

CIE1931XYZ2CIE1976uv

Convert CIE 1931 XYZ color space to CIE 1976 uv color space

Convert CMY coordinates to CMYK

Convert Hue to RGB

Convert LCHuv coordinates to CIE Luv

Convert LMS coordinates to DKL

ISObrightnessReflectometerRSD

Weighting factors for the calculation of ISO brightness

Convert LCHab coordinates to CIE Lab

Convert CIE Lab coordinates to XYZ

Convert LMS coordinates to RGB

DeMarcoPokornySmith2degConeFundamentals1992

DeMarco, Pokorny & Smith (1992) versions of the Smith-Pokorny 2-deg fundamentals

MunsellNeutrals2sRGB

Table with Munsell Neutrals and corresponding sRGB

Convert RGB coordinates to YPbPr

Convert sRGB coordinates to hue

Convert CIE Luv coordinates to LCHuv

SmithPokorny2degConeFundamentals1975

Smith & Pokorny (1975) 2-deg cone fundamentals

convert from three filter measurements (reflectance factors) to XYZ

StockmanMacLeodJohnson10degConeFundamentals1993

Stockman & Sharpe (2000) 10-deg cone fundamentals

Stensby68.Whiteness

Stensby Whiteness

Convert RGB coordinates to LEF

WestlandBlacknessIndex

Westland, et al. blackness index

StockmanMacLeodJohnson2degCIEadjConeFundamentals1993

Stockman, MacLeod & Johnson (1993) 2-deg cone fundamentals

Convert RGB coordinates to YIQ

Convert YIQ coordinates to RGB

convert from XYZ coordinates to CIE Luv coordinates

Convert YCbCr coordinates to RGB

Internal colorscience functions

compuphaseDifferenceRGB

compuphase Difference RGB

conversionLuminance

Conversion Factors for Units of Luminance

daylightcomponents

daylight components

Convert sRGB coordinates to XYZ

Delta E (CIE 1994)

Convert YCbCr coordinates to RGB

huedegreemunsell

Table with Munsell hue degrees

convert RGB to DKL

CIE 1964 10-deg, XYZ CMFs

Correlated Color Temperature (CCT) from spectra

xy2CCT.HernandezAndres

convert from chromaticity coordinates to correlated color temperature (Hernandez Andres)

Convert CIE CMF to XYZ

convert from Yuv coordinates to XYZ coordinates

Munsell value to CIE XYZ "Y"

XYZperfectreflectingdiffuser

Perfect reflecting diffuser data

convert foot candle to Lumens/lux

ASTM.E313.YellownessIndex

ASTM E313 Yellowness

convert from BVR coordinates to XYZ temperature (Robertson)

CIE 1976 chroma formula for CIELab and CIELuv

Conversion from CIELAB color space to DIN99 coordinates

CIE1976hueangle

CIE 1976 hue angle formula for CIELab and CIELuv

MunsellSpectral

Table with Munsell spectral data

Convert RGB coordinates to HSV

Table with Munsell Hues

Convert PhotoYCC to RGB

Convert CIE 1960 UCS color space to 1960 xy color space

Convert CIE Luv coordinates to Yuv

Conversion from DIN99 coordinates to CIELAB color space

Convert LMS coordinates to XYZ

CIE1931xy2CIE1976uv

Convert CIE 1931 xy color space to CIE 1976 uv color space

CIE1931XYZ2CIE1960uv

Convert CIE 1931 XYZ color space to CIE 1960 uv color space

Convert CIE Lab coordinates to LCHab

MaxChromasForStandardMunsellHuesAndValues

Table with maximum Munsell chroma, for a given Munsell hue and value, for which an extrapolated renotation value is available

Convert CIE Luv coordinates to XYZ

Convert RGB coordinates to HSL

Convert HSL coordinates to RGB

Convert RGB coordinates to LSLM

Convert RGB coordinates to YUV

StockmanSharpe10degCMFS2000

Stockman & Sharpe (2000) 10-deg cone fundamentals

Convert XYZ coordinates to LMS

XYZ2CCT.Robertson

convert from chromaticity coordinates to correlated color temperature (Robertson)

convert from XYZ coordinates to CIE Lab coordinates

convert from XYZ coordinates to xyY coordinates

VosEstevezWalraven2degConeFundamentals1990

Vos, Estévez & Walraven (1990) 2-deg cone fundamentals

XYZMoonSpencer1945

Approximations from wavelengths to XYZ by Moon & Spencer

convert from XYZ to three filter measurements (reflectance factors)

Y2MunsellVtable1D1535

CIE XYZ "Y" to Munsell value formula, based on the ASTM Standard D1535-08

Convert RGB coordinates to LMS

Convert YUV coordinates to RGB

convert from XYZ coordinates to RGB

convert RGB to DKL

convert Munsell hue to degree

footcandle2watt.sqcentimeter

converts foot candle to watts / square centimeter

spectra2ISObrightness

Diffuse blue reflectance factor (ISO brightness)

saturationCIELABEvaLubbe

CIELAB saturation (Eva Lubbe)

Delta E (CIE 2000)

Relative spectral power distributions of CIE illuminants at 5 nm interval

CIE (1931) 2-deg chromaticity coordinates

Primaries for RGB color spaces

footcandle2candela.steradian.sqmeter

converts foot candle to candela steradian / square meter

Hunter60.WhitenessIndex

Hunter 60 Whiteness Index

convert from Yxy coordinates to Yuv coordinates

convert from XYZ coordinates to BVR

Convert LSLM coordinates to RGB