EE.HTM

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Models for properties of relative colour vision and applications for colour management
Antagonistic balance models for surface colour vision with the elementary colours Be, Ge, Ye, and Re
for colour applications in surface colour mode (adjacent and separate samples)
for displays and printers as function of chromaticity and luminance.

This page EE.HTM is under development and is expected step by step in 2020.

Figures and data will appear in the folders EEXX (colour series E, E=English, XX=00 to 99).

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

Information about test charts of ISO, IEC, CEN, and DIN according to ISO EN DIN 9241-306:2018 for the test of the display output, and for eight contrast steps in english (E), german (G), and french (F).
The test charts are on the ISO Standards Maintenance Portal in the file formats PDF, and PostScript (PS, TXT), see
http://standards.iso.org/iso/9241/306/ed-2/index.html
(ISO project editor: K. Richter).

See the Technical Report CIE 230:2019, Validity of Formulae for Small Colour differences.
(CIE project chairman of TC1-81: K. Richter).

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

ISO and CIE standard documents
Access to data; links and basic references; Colour gamut for sRGB and print - affine transformation
EE00: Access to data; links and basic references.
EE01: Colour gamut for sRGB and print - affine transformation; Absolute and relative device space; Workflow, hue planes and affine reproductions.

Frame File PS-Code (FF_PS) for output steering
Output questions applied to the printed version of DIN EN ISO 9241-306:2018
EE02: Output steering of ISO-test chart AE06 and AE49 by FF_PS.
EE03: Output steering of ISO-test chart AE06 and AE49 by FF_PS.
EE04: Output gamut in two hue planes steered by FF_PS.
EE05: Gamma change by output devices; Colorimetric workflow of output on devices.

Cone sensitivities, elementary hue translations, and spectral tristimulus values for only CIE illuminant E00 (E).
EE06: CIE 1931 02-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE07: CIE 1964 10-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE08: CIE-LMS F02-degree colorimetry (start with XYZ data), (Aij 1,95 -1,41 0,36 0,69 0,35 0,00 0,00 0,00 1,93).
EE09: CIE-LMS F10-degree colorimetry (start with XYZ data), (Aij 1,94 -1,35 0,43 0,69 0,35 0,00 0,00 0,00 2,15).

Cone sensitivities, elementary hue translations, and spectral tristimulus values for eight illuminants
either 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),
or for eight illuminants P60, P55, P50, P45, P40, P35, P30, P25 (6000K to 2500K).
CIE 1931 02-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE10: for 8 illuminants Dxx.
EE11: for 8 illuminants Pxx.

CIE 1964 10-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE12: for 8 illuminants Dxx.
EE13: for 8 illuminants Pxx.

CIE-LMS F02-degree colorimetry (start with XYZ data), (Aij 1,95 -1,41 0,36 0,69 0,35 0,00 0,00 0,00 1,93).
EE14: for 8 illuminants Dxx.
EE15: for 8 illuminants Pxx.

CIE-LMS F10-degree colorimetry (start with XYZ data), (Aij 1,94 -1,35 0,43 0,69 0,35 0,00 0,00 0,00 2,15).
EE16: for 8 illuminants Dxx.
EE17: for 8 illuminants Pxx.

Cone sensitivities, elementary hue translations, and spectral tristimulus values for only CIE illuminant E00 (E) and D65.
EE18: CIE 1931 02-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE19: CIE 1964 10-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE20: CIE-LMS F02-degree colorimetry (start with XYZ data), (Aij 1,95 -1,41 0,36 0,69 0,35 0,00 0,00 0,00 1,93).
EE21: CIE-LMS F10-degree colorimetry (start with XYZ data), (Aij 1,94 -1,35 0,43 0,69 0,35 0,00 0,00 0,00 2,15).

Cone sensitivities, elementary hue translations, and spectral tristimulus values for 2 illuminants E00 and D65
or only in 7R-file 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),
or for eight illuminants P60, P55, P50, P45, P40, P35, P30, P25 (6000K to 2500K).
CIE 1931 02-degree colorimetry EE22: (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).

Cone sensitivities, elementary hue translations, and spectral tristimulus values
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),
EE23: CIE 1931 02-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE24: CIE 1964 10-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE25: CIE-LMS F02-degree colorimetry (start with XYZ data), (Aij 1,95 -1,41 0,36 0,69 0,35 0,00 0,00 0,00 1,93).
EE26: CIE-LMS F10-degree colorimetry (start with XYZ data), (Aij 1,94 -1,35 0,43 0,69 0,35 0,00 0,00 0,00 2,15).

Cone sensitivities, elementary hue translations, and spectral tristimulus values
for eight illuminants P60, P55, P50, P45, P40, P35, P30, P25 (6000K to 2500K).
EE27: CIE 1931 02-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE28: CIE 1964 10-degree colorimetry (Aij 1,91 -1,11 0,20 0,37 0,63 0,00 0,00 0,00 1,00).
EE29: CIE-LMS F02-degree colorimetry (start with XYZ data), (Aij 1,95 -1,41 0,36 0,69 0,35 0,00 0,00 0,00 1,93).
EE30: CIE-LMS F10-degree colorimetry (start with XYZ data), (Aij 1,94 -1,35 0,43 0,69 0,35 0,00 0,00 0,00 2,15).

Colour Management according to ISO 15076-1:2010, ISO 20677:2019, and ISO 9241-306:2018
EE31: ISO-ICC PCS and ISO-ICC PCC colour management; ISO-RGB* colour management with ISO-test charts according to ISO 9241-306:2018.

Lightness L*, threshold (deltaY), contrast (Y / deltaY), sensitivity (deltaY / Y)
unnormalized and normalized, logarithmic output.
EE32: Comparison of the LABJND and the CIELAB colour-difference formula.
EE33: Comparison of the LABJND and the CIEDE2000 colour-difference formula.
EE34: experimental data of Lingelbach and Richter; visual thresholds and the Weber-Fechner law.
For similar plots see EE55 and the following folders.

Notes: The following series EE35 to EE53 use the wavelength dataset "25 = 420, 445(S), 470, 495, 520, 545(M), 570(L), 595, 620nm" of the LMS cones.
The former series BE69 to BE85 use the wavelength dataset "30 = 440(S), 470, 510, 540(M), 570(L), 600nm" of the LMS cones.

Relative elementary colour vision by the colour vision model LMS_R17M5
Logarithmic cone sensitivities LMS, and logarithmic combinations
for 3 threshold values between ta=0,00 and ta=0,03, maximum cone sensivities:
Lmax=570nm, Mmax=545nm, Smax=445nm.
EE35: 557(V)+/-13, 570(L)+/-50, 520(G)+/-50, 470(B)+/-50, ta=0,00 and ta=0,03.
EE36: 557(V)+/-13, 570(L)+/-25, 520(G)+/-25, 470(B)+/-25, ta=0,00 and ta=0,03.
EE37: 470(B)+/-25, 520(G)+/-25, 570(L)+/-25, 670(U)+/-25, ta=0,00 and ta=0,03.
EE38: 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, 670(U)+/-50, ta=0,00 and ta=0,03.
EE39: 470(B)+/-75, 520(G)+/-75, 570(L)+/-75, 670(U)+/-75, ta=0,00 and ta=0,03.
EE40: 557(V)+/-13, 570(L)+/-25, 570(L)+/-50, 570(L)+/-75, ta=0,00 and ta=0,03.
EE41: 420(T) to 670(U), 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, ta=0,00 and ta=0,01.
EE42: 420(T) to 670(U), 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, ta=0,00 and ta=0,02.
EE43: 420(T) to 670(U), 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, ta=0,00 and ta=0,03.

Relative elementary colour vision by the colour vision model LMS_R17M5
Logarithmic cone sensitivities LMS, and linear combinations
for 3 threshold values between ta=0,00 and ta=0,03, maximum cone sensivities: Lmax=570(L)nm, Mmax=545(M)nm, Smax=445nm.
EE44: 557(V)+/-13, 545(M)+/-25, 570(L)+/-25, 520(G)+/-75, ta=0,00 and ta=0.03, Xla and Xlo
EE45: 557(V)+/-13, 545(M)+/-25, 570(L)+/-25, Be, Ge, Ye, Re, Xla and Xlo
EE46: 570(L)+/-25, 570(L)+/-50, 570(L)+/-75, 570(L)+/-100, Be, Ge, Ye, Re, Xla and Xlo
EE47: 557(V)+/-13, 545(M)+/-25, 570(L)+/-50, 470(B)+/-50, 520(G)+/-50, Be, Ge, Ye, Re, Xla and Xlo
EE48: 420(T) to 620, 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, Be, Ge, Ye, Re, Xla and Xlo
EE49: 445(S), 545(M), 570(L), 420(T) to 620(R), 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, Be, Ge, Ye, Re, Xla and Xlo
EE50: 445(S), 545(M), 570(L), 420(T) to 620(R), 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, Be/Ye, Ge/Re, Ye/Be, Xla and Xlo
EE51: 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, 620+/-50, Be/Ye, Ge/Re, Ye/Be, Re/Ge, Xla and Xlo
EE52: 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, 620+/-50, lin and log [Be/Ye, Ge/Re, Ye/Be, Re/Ge], Xla and Xlo
EE53: 470(B)+/-50, 520(G)+/-50, 570(L)+/-50, 620+/-50, (n=normalized to 0,5), lin and log [Ben/Yen, Gen/Ren, Yen/Ben, Ren/Gen], Xla and Xlo

Colour scaling; colorimetric, psycho-physical, and physiological properties
EE54: line element for colour scaling.

Lightness L*, threshold (deltaY), sensitivity (deltaY / Y), contrast (Y / deltaY), unnormalized and normalized
compare CIE 230:219, and ISO/CIE 11664-4:2019
EE55: LABJND colour-difference formula, logarithmic output.
EE56: CIELAB colour-difference formula, logarithmic output.
EE57: LABJND colour-difference formula, linear output.
EE58: CIELAB colour-difference formula, linear output.
For similar plots see EE32 and the following folders.

Colour scaling; colorimetric, psycho-physical, and physiological properties
EE59: luminance difference and scaling.

Relative elementary colour vision by the colour vision model LMS_R17M5
Logarithmic cone sensitivities LMS, and mostly linear combinations
for the threshold values ta=0,00, 0,01, 0,02, and 0,03; maximum cone sensivities:
Lmax=570nm, Mmax=545nm, Smax=445nm.
Calculation of elementary colour values by an antagonistic balance model of colour vision.
Calculations for RG-response maxima at 545nm and 595nm with yellow at 570nm
Applications of the antagonistic ballance responses 570(L, 1-L), 545(M, 1-M), 595(O, 1-O).
EE60: main antagonistic functions for M(545), L(570), O(595).
EE61: balance model between yellow (Y) and blue (B).
EE62: balance model 1 between red (R) and green (G).
EE63: balance model 2 between red (R) and green (G).
Calculations for RG-response maxima at 520nm and 620nm with yellow at 570nm
Applications of the antagonistic ballance responses 570(L, 1-L), 520(G, 1-G), 620(R, 1-R).
EE64: main antagonistic functions for G(520), L(570), R(620).
EE65: balance model between yellow (Y) and blue (B).
EE66: balance model 1 between red (R) and green (G).
EE67: balance model 2 between red (R) and green (G).

Relationships of IT standards
Basic standards for copiers, printers, scanners, and displays
based on CIE colorimetry and ergonomic requirements.
EG68: many standard documents with links for a free download.

Colorimetry of complementary (antagonistic) Ostwald optimal colours
For 16 illuminants Pxx (P60, P55, P50, P45, P40, P35, P30, P25)
and Dxx (D65, D50, P45, A00, E00, C00, P00, Q00);
Kontrast K=25:1 (Yw=90, Yz=90/5=18, Yn=90/25=3,6);
4 colour spaces CIEXYZ, YAB_77, CIELAB, LABHNU1_79;
CIE 2 or CIE 10 degree observer.
EE69: CIE illuminant D65, CIE 2 degree observer, Yw=90.
EE70: 8 illuminants Pxx, CIE 2 degree observer, Yw=90.
EE71: 8 illuminants Dxx, CIE 2 degree observer, Yw=90.
EE72: 8 illuminants Pxx, CIE 10 degree observer, Yw=90.
EE73: 8 illuminants Dxx, CIE 10 degree observer, Yw=90.

Miescher- and CIE-elementary colours and (antagonistic) Ostwald optimal colours
For CIE illuminant C00; Kontrast K=25:1 (Yw=90, Yz=90/5=18, Yn=90/25=3,6);
4 colour spaces CIEXYZ, YAB_77, CIELAB, LABHNU1_79;
CIE 2 or 10 degree observer; plots with CIE tristimulus value Y; Ostwald optimal hue circle with special colours Go, Co, Bo.
EE74: Eight step Miescher hue circle of high chroma C*ab.
EE75: Four Miescher- and four CIE-elementary colours.
EE76: Eight step Miescher hue circle and four Miescher elementary colours.
EE77: Six step Ostwald optimal hue circle for 02 degree observer and special optimal colours Go, Co, Bo.
EE78: Six step Ostwald optimal hue circle for 10 degree observer and special optimal colours Go, Co, Bo.

Colorimetry of complementary (antagonistic) Ostwald optimal colours
For 16 illuminants Pxx (P60, P55, P50, P45, P40, P35, P30, P25)
and Dxx (D65, D50, P45, A00, E00, C00, P00, Q00);
Kontrast K=25:1 (Yw=90, Yz=90/5=18, Yn=90/25=3,6);
4 colour spaces CIEXYZ, YAB_77, CIELAB, LABHNU1_79;
CIE 2 or CIE 10 degree observer; with special optimal colours Ro, Go, Co, Bo.
EE79: CIE illuminant D65, CIE 2 degree observer, Yw=90.
EE80: 8 illuminants Pxx, CIE 2 degree observer, Yw=90.
EE81: 8 illuminants Dxx, CIE 2 degree observer, Yw=90.
EE82: 8 illuminants Pxx, CIE 10 degree observer, Yw=90.
EE83: 8 illuminants Dxx, CIE 10 degree observer, Yw=90.

Colorimetry of complementary (antagonistic) optimal colours
Hue circles of device and elementary colours; LMS-R17 cone sensitivities
EE84: Colorimetry and optimal colours; contrast, complementary colours, hue circles, elementary colours.
EE85: ISO and CIE joined work; Requirements and results; Srgb scaling with a RIP on a workplace.
EE86: Colorimetry and optimal colours; contrast, complementary colours, hue circles, elementary colours.
EE87: Relative elementary colour vision; definition of log[sensitivities], model LMS-R17; linear ordinate.

Chromaticity diagrams; 2 or 10 degree observer;
(x,y) and (ai,bi) or (x10,y10) and (a10i, b10i) (i=0 to 6)
MacAdam ellipses, OSA- and Munsell-colour system
EE88: 2 degree observer; illuminant E00, MacAdam-ellipses (right)
EE89: 10 degree observer; illuminant D65, OSA-colour system, lightness L=-4 (right)
EE90: 10 degree observer; illuminant D65, OSA-colour system, lightness L=0 (right)
EE91: 10 degree observer; illuminant D65, OSA-colour system, lightness L=4 (right)
EE92: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=2, with extrapolation (left) and samples (right)
EE93: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=5, with extrapolation (left) and samples (right)
EE94: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=8, with extrapolation (left) and samples (right)

Munsell colours of Chroma C=2 and Value V=1, 2, 5, 8, and 9
for the experimental Munsell chromaticity (x, y)Mex = (0,3100, 0,3244); This chromaticity is near the chromaticity of illuminant C;
CIE chromaticity diagram (x, y), seven chromaticity diagrams (ai, bi) (i=0 to 6) (left)
and seven chroma diagrams (A*i, B*i) (i=0 to 6) (right).
EE95: CIE 2 degree observer; achromatic colours (right); magnify 16x!.
EE96: CIE 2 degree observer and with adaptation 5Y.
EE97: CIE 2 degree observer and with adaptation 5Y.
EE98: CIE 2 degree observer and with adaptation 5Y.
EE99: CIE 2 degree observer and without adaptation.

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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
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