240701 1L2L0X0G_K2710.KTS/YEklGIN.KTS http://farbe.li.tu-berlin.de/geks.htm or http://color.li.tu-berlin.de/geks.htm

For links to the Section 2, Chapter G Colour Metrics for optimal image quality with equally spaced colour series (2024/5), see
For this image page with 10 colour series, see geks in English, ggks in German.
For the previous image page, see gejs in English, ggjs in German.
For the next image page, see gels in English, ggls in German.
For the first image page of the previous chapter F, see feas in English, fgas in German.
For the first image page of the next chapter H (under work), see heas in English, hgas in German.

Content list of chapter G (under work): gea_i in English or gga_i in German.
Summary of chapter G: gea_s in English or gga_s in German.
For the large image page of chapter G with 260 colour series, see ge2s in English or gg2s in German.

Section 2, Chapter G
Equally spaced colour scales for optimal colour-image quality (2025), Image part geks

The following ten pages gek0 to gek9 of this chapter
show the content with links to the single figures in up to six formats.

Figure gek0l0n1.jpg: Output in format A6 of the file gek0l0np.pdf, see
gek0l0n1. ps / txt / pdf / jpg

gek0: TUB-test chart gek0; Affine output on displays
Hue trianle red: luminous or blackish colours?
Affine systematic reduction of the grey rgb values

Figure gek1l0n1.jpg: Output in format A6 of the file gek1l0np.pdf, see
gek1l0n1. ps / txt / pdf / jpg

gek1: TUB-test chart gek1; Affine output on displays; surround grey
1080 colours according to ISO 9241-306: luminous or blackish?
Affine systematic reduction of the grey rgb values

Figure gek2l0n1.jpg: Output in format A6 of the file gek2l0np.pdf, see
gek2l0n1. ps / txt / pdf / jpg

gek2: TUB-test chart gek2; Affine output on displays; surround white
1080 colours according to ISO 9241-306: luminous or blackish?
Affine systematic reduction of the grey rgb values

Figure gek3l0n1.jpg: Output in format A6 of the file gek3l0np.pdf, see
gek3l0n1. ps / txt / pdf / jpg

gek3: TUB-test chart gek3; CIE data of NCS colour system
80 step NCS hue circle of maximum chromaticness
XYZ, LabCh*, and YABCh data for Yw=100 and Yw=89

Figure gek4l0n1.jpg: Output in format A6 of the file gek4l0np.pdf, see
gek4l0n1. ps / txt / pdf / jpg

gek4: TUB-test chart gek4; CIE data of Ostwald colours
80 step hue circle of maximum chromatic value CAB
XYZ, LabCh*, and YABCh data for Yw=100 and Yw=89

Figure gek5l0n1.jpg: Output in format A6 of the file gek5l0np.pdf, see
gek5l0n1. ps / txt / pdf / jpg

gek5: TUB-test chart gek5; CIE data of Ostwald colours
comparison with CIE data of the NCS colour system for D65
XYZ, LabCh*, and YABCh data as function of hue

Figure gek6l0n1.jpg: Output in format A6 of the file gek6l0np.pdf, see
gek6l0n1. ps / txt / pdf / jpg

gek6: TUB-test chart gek6; CIE data of Ostwald colours
comparison with CIE data of the sRGB colour space
XYZ, LabCh*, and YABCh data as function of hue

Figure gek7l0n1.jpg: Output in format A6 of the file gek7l0np.pdf, see
gek7l0n1. ps / txt / pdf / jpg

gek7: TUB-test chart gek7; CIE data of sRGB colour system
48 step sRGB hue circle of maximum chromatic value CAB
XYZ, LabCh*, and YABCh data for Yw=100 and Yw=89

Figure gek8l0n1.jpg: Output in format A6 of the file gek8l0np.pdf, see
gek8l0n1. ps / txt / pdf / jpg

gek8: TUB-test chart gek8; Ostwald optimal colours
16 step elementary hue circle and 5 grey steps
XYZ, LabCh*, and YABCh colour data

Figure gek9l0n1.jpg: Output in format A6 of the file gek9l0np.pdf, see
gek9l0n1. ps / txt / pdf / jpg

gek9: TUB-test chart gek9; Ostwald optimal colours
CAB-Y diagrams of equal hue planes for
Ym=520-770, with XYZ, YABCh data for D65, Yw=100

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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.

Back to the main page of this TUB web site (NOT archive), see index.html in English, indexDE.html in German.