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Development of a device independent visual RGB* colour space for colour vision and image technology

Some basic colorimetric and colour vision data for thresholds, and for antichromatic optimal Ostwald colours.

Figures and data of "Development of a device independent visual RGB* colour space for colour vision and image technology" are in the folders ZEXX (colour series Y, E=English, XX=00 to 99).

Folder and Title
Development of a device independent visual RGB* colour space for colour vision and image technology
Information about test charts of ISO, IEC, CEN, and DIN
according to ISO CEN 9241-306:2018 for the test of 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

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

For the application of "antichromatic Ostwald optimal colours"
download the following two reports. The following two alternative links are in the standard MLA format. If the first link to a CIE web site is not working then the second link may be used for the download from an archive server. .

Thorstein Seim, Reportership Report CIE R1-47, Hue angles of elementary colours, 2009, see (35 pages),
[http://files.cie.co.at/526.pdf]._Internet Archive_.[ http://web.archive.org/web/20160304130704/http://files.cie.co.at/526.pdf].

Thorstein Seim, Reportership Report CIE R1-57, Border between Blackish and Luminous Colours, 2013, see (23 pages),
[ http://files.cie.co.at/716_CIE%20R1-57%20Report%20Jul-13%20v.2.pdf]._Internet Archive_.[ http://web.archive.org/web/20150413002133/http://files.cie.co.at/716_CIE%20R1-57%20Report%20Jul-13%20v.2.pdf].

Test chart ZE00 or G according to CIE R8-09:2015
ZE00: 1080 standard colours, Outputs for laser printer HRS16_96
cmyk/rgb/00n/w start output, rgb output, output with separations rgb->cmyn6, 3 pages

BAM-2005-test charts; test of visual equidistant steps
ZE65: 3 step scales white - chromatic and chromatic - black
ZE66: 5 step scales white - chromatic and chromatic - black
ZE67: 3 step scales white - chromatic and hue circle

CIELAB, LABJND, and CIEDE2000 line element formula for lightness with and without derivation formulae
for dY, Y-based contrast dY/Y, and Y-based sensitivity Y/dY
ZE68: CIELAB line element formula for lightness
ZE69: LABJND line element formula no. 1 for lightness and other functions
ZE70: LABJND line element formula no. 2 for lightness and other functions
ZE71: LABJND line element formula no. 3 for lightness and other functions
ZE72: Comparison CIELAB formula and CIEDE2000 for lightness and other functions
ZE73: Comparison LABJND formula and CIEDE2000 for lightness and other functions
ZE74: Comparison CIELAB formula and LABJND for lightness and other functions
ZE75: Comparison LABJND formula and CIELAB for lightness and other functions

Relative elementary colour vision; log[colour sensitivities PDT (LMS) and combinations]
log[colour thresholds ta=0,00 and ta=0,01].
ZE76: log[sensitivities PDT (LMS) and thresholds]
ZE77: log[sensitivities PDT (LMS) and thresholds]
ZE78: log[sensitivities PDT (LMS) and thresholds]
ZE79: lin[sensitivities PDT (LMS) and thresholds]
ZE80: log[sensitivities PDT (LMS) and thresholds]
ZE81: lin[sensitivities PDT (LMS) and thresholds]
ZE82: log[sensitivities PDT (LMS) and thresholds]
ZE83: lin[sensitivities PDT (LMS) and thresholds]

Chromaticity diagrams; 2 or 10 degree observer
(x,y) and (ai,bi) or (x10,y10) and (a10i, b10i) (i=0 to 6)
ZE84: 2 degree observer; illuminants P60, P55, P50, P45, P40, P35, P30, P25 (right)
ZE85: 2 degree observer; illuminants D65, D50, P40, A00, E00, C00, P00, Q00 (right)
ZE86: 10 degree observer; illuminants P60, P55, P50, P45, P40, P35, P30, P25 (right)
ZE87: 10 degree observer; illuminants D65, D50, P40, A00, E00, C00, P00, Q00 (right)

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
ZE88: 2 degree observer; illuminant E00, MacAdam-ellipses (right)
ZE89: 10 degree observer; illuminant D65, OSA-colour system, lightness L=-4 (right)
ZE90: 10 degree observer; illuminant D65, OSA-colour system, lightness L=0 (right)
ZE91: 10 degree observer; illuminant D65, OSA-colour system, lightness L=4 (right)
ZE92: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=2 (right)
ZE93: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=5 (right)
ZE94: 2 degree observer; illuminant C00, Munsell-colour system, lightness Value=8 (right)

Test chart ISO 9241-306; Test of achromatic test chart output
ZE99: for the computer display or the external display.

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Examples of test charts

Test chart ZE00 or G according to CIE R8-09:2015
ZE00: 1080 standard colours, Outputs for laser printer HRS16_96
cmyk/rgb/00n/w start output, rgb output, output with separations rgb->cmyn6, 3 pages
exaple file (3 pages, 500 KB) ZE00/ZE00L0NP.PDF


BAM-2005-test charts; test of visual equidistant steps
ZE65: 3 step scales white - chromatic and chromatic - black
example file (2 pages, 100 KB) ZE65/ZE65L0NP.PDF


CIELAB, LABJND, and CIEDE2000 line element formula for lightness
with and without derivation formulae for dY, Y-based contrast dY/Y, and Y-based sensitivity Y/dY
ZE68: CIELAB line element formula for lightness and other functions
example file (1 page, 160 KB) ZE68/ZE68L0NP.PDF


ZE69: LABJND line element formula no. 1 for lightness and other functions
example file (1 page, 160 KB) ZE69/ZE69L0NP.PDF


ZE72: Comparison CIELAB formula and CIEDE2000 for lightness and other functions
example file (1 page, 160 KB) ZE72/ZE72L0NP.PDF


ZE73: Comparison LABJND formula and CIEDE2000 for lightness and other functions
example file (1 page, 160 KB) ZE73/ZE73L0NP.PDF


ZE74: Comparison CIELAB formula and LABJND for lightness and other functions
example file (1 page, 160 KB) ZE74/ZE74L0NP.PDF


ZE75: Comparison LABJND formula and CIELAB for lightness and other functions
example file (1 page, 160 KB) ZE75/ZE75L0NP.PDF


Relative elementary colour vision; log[colour sensitivities PDT (LMS) and combinations]
log[colour thresholds ta=0,00 and ta=0,01]
ZE76: log[sensitivities PDT (LMS) and thresholds]
example file (1 page, 200 KB) ZE76/ZE76L0NP.PDF


ZE78: lin[sensitivities PDT (LMS) and thresholds]
example file (1 page, 200 KB) ZE78/ZE78L0NP.PDF


ZE82: log[sensitivities PDT (LMS) and thresholds]
example file (1 page, 200 KB) ZE82/ZE82L0NP.PDF


ZE83: lin[sensitivities PDT (LMS) and thresholds]
example file (1 page, 200 KB) ZE83/ZE83L0NP.PDF



Chromaticity diagrams; 2 or 10 degree observer
(x,y) and (ai,bi) or (x10,y10) and (a10i, b10i) (i=0 to 6)

ZE84: 2 degree observer; Illuminants P60, P55, P50, P45, P40, P35, P30, P25 (right)
example file (1 page, 200 KB) ZE84/ZE84L0NP.PDF


Chromaticity diagrams; 2 or 10 degree observer
(x,y) and (ai,bi) or (x10,y10) and (a10i, b10i) (i=0 to 6), MacAdam ellipses

ZE89: 2 degree observer; illuminant E00, MacAdam-ellipses (right)
example file (1 page, 200 KB) ZE89/ZE89L0NP.PDF


ZE91: 10 degree observer; illuminant D65, OSA-colour system, Lightness L=0 (right)
example file (1 page, 200 KB) ZE91/ZE91L0NP.PDF


ZE93: 2 degree observer; illuminant C00, Munsell-colour system, Lightness Value=5 (right)
example file (1 page, 200 KB) ZE93/ZE93L0NP.PDF


Test chart workflow ISO 9241-306
Test of achromatic test chart output
ZE99: for the computer display or the external display
example file (1 page, 200 KB) ZE99/ZE99L0NP.PDF
.

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