DE.HTM

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Special colorimetric properties for colour vision and image technology
Colorimetric data of colour vision deficiencies, elementary colours, LMS receptors, and for antichromatic optimal colours of Ostwald.

Figures and data are in the folders DEXX (colour series D, E=English, XX=00 to 99).

Introduction: Development of a device independent visual RGB* colour space for colour vision and image technology
see BE in English, or BG in German.

See also the booklet of K. Richter (2015, 80 pages, 2,5 MB) Colour, Colour Vision and Elementary Colours in Colour Information Technology
ES15.PDF

Folder and Title: All colour series with increasing numbers without plots:

Special colorimetric properties for colour vision and colour image technology
Elementary colours, LMS receptor sensitivities, XYZ tristimulus values,
complementary wavelength, linear and nonlinear equations in colorimetry
DE00: Shape and equations between LMS and XYZ; references on elementary colours.
DE01: Colorimetric differences at threshold.

CIE data of Ostwald colours of maximum CAB chromatic value
for illuminant D50 or Planck (P) 5500 K (P55)
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE02: XYZ and YABCh0 data as function of hue hAB for illuminants D50.
DE03: XYZ and YABCh1 data as function of hue hAB for illuminants D50.
DE04: XYZ and YABCh0 data as function of hue hAB for illuminants P55.
DE05: XYZ and YABCh1 data as function of hue hAB for illuminants P55.

CIE data of Ostwald colours of maximum CAB chromatic value
comparison D50 or P55 data with CIE data of the sRGB-D65 colour space
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE06: XYZ and YABCh0 data as function of hue hAB for illuminants D50.
DE07: XYZ and YABCh1 data as function of hue hAB for illuminants D50.
DE08: XYZ and YABCh0 data as function of hue hAB for illuminants P55.
DE09: XYZ and YABCh1 data as function of hue hAB for illuminants P55.

CIE data of Ostwald colours of maximum CAB chromatic value
with RGB colours and complementary CMY 1-minus colours, illuminants D50 and P55
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE10: XYZ and YABCh0 data as function of hue hAB for illuminants D50.
DE11: XYZ and YABCh1 data as function of hue hAB for illuminants D50.
DE12: XYZ and YABCh0 data as function of hue hAB for illuminants P55.
DE13: XYZ and YABCh1 data as function of hue hAB for illuminants P55.

Tables of continues hue data for the CIE 2- and 10-degree observer
CIE XYZ data for 8 illuminants Dxx and Pxx with YABCh0 data, and YABCh1 data
wavelength lambda_d and lambda_c.
DE14: Comparison with CIE data of the sRGB colour space for illuminants Dxx.
DE15: Comparison with CIE data of the sRGB colour space for illuminants Pxx.

Colorimetric calculations of chromaticity, purity, chromatic value and chroma, see
K. Richter, Antagonistic signals in colour vision and relationship with the perceptive colour order,
PhD thesis, University of Basel (Switzerland), 1969, 150 pages
DE16: Calculation of purity and chromatic value based on elementary colours.
DE17: Different chromaticity, purity, chromatic value and chroma diagrams.
DE18: Calculation of purity and chromatic value based on elementary colours.
DE19: Different chromaticity, purity, chromatic value and chroma diagrams.

CIE data of Ostwald colours of maximum CAB chromatic value
with two calculation methods for data of Ostwald colours for illuminants Dxx and Pxx
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE20: XYZ and YABCh0 data as function of hue hAB for illuminants Dxx.
DE21: XYZ and YABCh1 data as function of hue hAB for illuminants Dxx.
DE22: XYZ and YABCh0 data as function of hue hAB for illuminants Pxx.
DE23: XYZ and YABCh1 data as function of hue hAB for illuminants Pxx.

CIE data of Ostwald colours of maximum CAB chromatic value
comparison Dxx or Pxx data with CIE data of the sRGB-D65 colour space
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE24: XYZ and YABCh0 data as function of hue hAB for illuminants Dxx.
DE25: XYZ and YABCh1 data as function of hue hAB for illuminants Dxx.
DE26: XYZ and YABCh0 data as function of hue hAB for illuminants Pxx.
DE27: XYZ and YABCh1 data as function of hue hAB for illuminants Pxx.

CIE data of Ostwald colours of maximum CAB chromatic value
with RGB colours and complementary CMY 1-minus colours, illuminants Dxx and Pxx
XYZ, YABCh0, and YABCh1 data as function of hue hAB
DE28: XYZ and YABCh0 data as function of hue hAB for illuminants Dxx.
DE29: XYZ and YABCh1 data as function of hue hAB for illuminants Dxx.
DE30: XYZ and YABCh0 data as function of hue hAB for illuminants Pxx.
DE31: XYZ and YABCh1 data as function of hue hAB for illuminants Pxx.

Spectral colours or Ostwald optimal colours of a colour half with complementary wavelength limits
for eight CIE illuminants D65, D50, P40, A00 (A), E00 (E), C00 (C),
P00 (relative amount of quanta for equal energy),
and Q00 (necessary energy for equal quanta),
see page 2 of 8 for CIE standard illuminant D50 (CCT 5000 K)
and eigth CIE-Planck illuminants Pxx = P60, P55, P50, P45, P40, P35, P30, P25.
Chromatic values YABC and ab (left) and these in the chromaticity diagram (x, y) and the chromatic value diagrams (Ai, Bi) (i=0,6).
DE32: CIE spectral colours for eight CIE illuminants Dxx.
DE33: CIE spectral colours for eight CIE illuminants Pxx.
DE34: Ostwald-Optimal colours for eight CIE illuminants Dxx.
DE35: Ostwald-Optimal colours for eight CIE illuminants Pxx.
DE36: Complementary CIE spectral colours for eight CIE illuminants Dxx.
DE37: Complementary CIE spectral colours for eight CIE illuminants Pxx.
DE38: Complementary Ostwald-Optimal colours for eight CIE illuminants Dxx.
DE39: Complementary Ostwald-Optimal colours for eight CIE illuminants Pxx.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; four illuminants D65, D50, E00, P00;
XYZ and YABCh1 data as function of hue angle hAB, or wavelength lamda(d) or lambda(c)
DE40: CIE-2-degree observer.
DE41: R17-model observer.

Complementary RGB device colours
in different surrounds grey, black, white, cyan, red
DE42: tests in different surrounds and affine transformations.
DE43: with diagonal grey axis.
DE44: with vertical grey axis.

In different surrounds light grey, blue, yellow, magenta, green
DE45: with diagonal grey axis.
DE46: with vertical grey axis.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Y, log[Y], L* and log[L*] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE47: for CIE illuminant D50.
DE48: for Planck illuminant P55 (5500K).

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Y, CAB, cAB, log[Y], log[CAB] and log[cAB] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE49: for CIE illuminant D50, and CAB0, cAB0.
DE50: for CIE illuminant D50, and CAB1, cAB1.
DE51: for Planck illuminant P55 (5500K), and CAB0, cAB0.
DE52: for Planck illuminant P55 (5500K), and CAB1, cAB1.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Functions of Y, CAB, cAB, log[Y], log[CAB] and log[cAB] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE53: for CIE illuminant D50, and CAB0, cAB0.
DE54: for CIE illuminant D50, and CAB1, cAB1.
DE55: for Planck illuminant P55 (5500K), and CAB0, cAB0.
DE56: for Planck illuminant P55 (5500K), and CAB1, cAB1.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Functions of Y, CAB, cAB, log[Y], log[CAB] and log[cAB] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE57: for CIE illuminant D50, and CAB0, cAB0.
DE58: for CIE illuminant D50, and CAB1, cAB1.
DE59: for Planck illuminant P55 (5500K), and CAB0, cAB0.
DE60: for Planck illuminant P55 (5500K), and CAB1, cAB1.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Functions of Y, CAB, cAB, log[Y], log[CAB] and log[cAB] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE61: for CIE illuminant D50, and CAB0, cAB0.
DE62: for CIE illuminant D50, and CAB1, cAB1.
DE63: for Planck illuminant P55 (5500K), and CAB0, cAB0.
DE64: for Planck illuminant P55 (5500K), and CAB1, cAB1.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for eight illuminants Dxx and Pxx;
Functions of Y, CAB, cAB, log[Y], log[CAB] and log[cAB] data
as function of hue angle hAB, and nominal wavelength lamda(n)
DE65: for CIE illuminant D50, and CAB0, cAB0.
DE66: for CIE illuminant D50, and CAB1, cAB1.
DE67: for Planck illuminant P55 (5500K), and CAB0, cAB0.
DE68: for Planck illuminant P55 (5500K), and CAB1, cAB1.

CIE data of Ostwald optimal colours of maximum CAB chromatic value
with complementary CMY 1-minus colours; for CIE illuminant D50;
Data: Y, A, B, CAB, panu, pbnu, and prnu as function of hue angle hAB,
and nominal wavelength lamda(n) for 4 CIE and 2 R17M observers.
Tables and figures for the purity definitions:
DE69: the following five purities (a,b) are used in this file.
DE70: a=2,5[x/y], b=-1,0[z/y].
DE71: a=2,5[(x-0,171)/y], b=-1,0[z/y].
DE72: a=2,8[(x-0,171)/y], b=-1,0[z/y].
DE73: a=1,4[3,076x-2,570y-0,096]/y, b=0,5[1,991x+3,862y-2,405]/y.
DE74: a=1,4[5,645x-2,666+2,570z]/y, b=0,5[-1,871x+1,457-3,861z]/y.

CIE-Daten der Ostwald-optimal colours
Antagonistic Eigen and Gegen colour values
schematic calculation and plot of purities.
DE75: schematic purities.
DE76: schematic purities.
DE77: real chromatic purities.

Virtual showroom technology; Ergonomic colour processor ECP in applications
DE78: Colour management of scan, projector, display and print devices.

ISO-output questions according to ISO 9241-306:2018 for print output
DE79: Applied to the printed version of DIN EN ISO 9241-306:2018.

Raw scan and linearized scan of slide film (sf, left) and negative film (nf, right)
of the reflective test chart according to ISO/IEC 15775 taken by photo-CD technology.
DE80: Raw scan of slide film (sf, left) and negative film (nf, right) without grid.
DE81: Raw scan of slide film (sf, left) and negative film (nf, right) with grid.
DE82: Raw and linearized scan of the 16 step gray scale and CIE-test colours.
DE83: Linearized scan of slide film (sf) and negative film (nf) with grid.
DE84: Linearized scan of slide film (sf) and negative film (nf) without grid.
DE85: Raw and linearized scan of sf and nf with and without grid.

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For this page without additional image information, see
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For the preceding page without additional image information, see
CE in English, CG in German.
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EE in English, EG in German.
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For the archive information (2000-2009) of the BAM server "www.ps.bam.de" (2000-2018)
about colour test charts, colorimetric calculations, standards, and publications, see
indexAE.html in English, indexAG.html in German.

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