240901 1L2L0X0G_K2710.KTS/YEulGIN.KTS http://color.li.tu-berlin.de/geus.htm or http://farbe.li.tu-berlin.de/geus.htm

For links to the Section 2, Chapter G Equally spaced colour scales for optimal colour-image qualitl (2025) , see
For this image page with 10 colour series, see geus in English, ggus in German.
For the previous image page, see gets in English, ggts in German.
For the next image page, see gevs in English, ggvs 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 geus

Title: Colour metric SED (Spacing Equal Difference) and SLD (Spacing Luminous Difference) on SDR and HDR displays;
Border between luminous and blackish colours;
Colour metric SED for equally spaced colour series;
Colour metric SLD for luminous and blackish colours;
Realization and applications in colour loop

1. Introduction and goals.
2. Visual equally spaced surface and display colours for equally spaced data
in pdf files according to ISO 9241-306:2019 and ISO/IEC 15775:2022;
3. Realization of luminous surface and display colours;
4. Border between luminous and blackish colours according to CIE R1-57:2014;
5. Creation of luminous and blackish colours according to ISO 9241-306, Annex X, on SDR and HDR displays;
6. SDR and HDR displays with the luminance 200 and 1000 cd/m^2 according to ISO 22028-5:2023;
7. Colour metrics SED (Spacing Equal Difference) and SLD (Spacing Luminous Difference)
according to the TUB-Relativity model of colour vision;
8. Approximately equal colour metric SED-200 and SED-1000;
9. Approximately equal colour metric SLD-200 and SLD-1000;
10. Colour metric for the transfer SLD-SED in both directions (Tone Mapping without a GainMap by equations);
11. Use of colour metric in ISO-colour loop file - print - scan - file;
12. Discussion of results.

The following ten pages geu0 to geu9 of this chapter
show the content with links to the single figures in up to six formats.


Figure geu0l0n1.jpg: Output in format A6 of the file geu0l0np.pdf, see
geu0l0n1. ps / txt / pdf / jpg

geu0: TUB-test chart geu0; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu1l0n1.jpg: Output in format A6 of the file geu1l0np.pdf, see
geu1l0n1. ps / txt / pdf / jpg

geu1: TUB-test chart geu1; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu2l0n1.jpg: Output in format A6 of the file geu2l0np.pdf, see
geu2l0n1. ps / txt / pdf / jpg

geu2: TUB-test chart geu2; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu3l0n1.jpg: Output in format A6 of the file geu3l0np.pdf, see
geu3l0n1. ps / txt / pdf / jpg

geu3: TUB-test chart geu3; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu4l0n1.jpg: Output in format A6 of the file geu4l0np.pdf, see
geu4l0n1. ps / txt / pdf / jpg

geu4: TUB-test chart geu4; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu5l0n1.jpg: Output in format A6 of the file geu5l0np.pdf, see
geu5l0n1. ps / txt / pdf / jpg

geu5: TUB-test chart geu5; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu6l0n1.jpg: Output in format A6 of the file geu6l0np.pdf, see
geu6l0n1. ps / txt / pdf / jpg

geu6: TUB-test chart geu6; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu7l0n1.jpg: Output in format A6 of the file geu7l0np.pdf, see
geu7l0n1. ps / txt / pdf / jpg

geu7: TUB-test chart geu7; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu8l0n1.jpg: Output in format A6 of the file geu8l0np.pdf, see
geu8l0n1. ps / txt / pdf / jpg

geu8: TUB-test chart geu8; Affin output on displays, surround grey
1080 colours according to ISO 9241-306: luminous or blackish
affin reduction of all rgb* values with chroma



Figure geu9l0n1.jpg: Output in format A6 of the file geu9l0np.pdf, see
geu9l0n1. ps / txt / pdf / jpg

geu9: TUB-test chart geu9; Different example EPS codes for EPS images
for code changes: http://color.li.tu-berlin.de/gey1/gey1l0np.txt
for image change: http://color.li.tu-berlin.de/gey1/gey1l0np.pdf

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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.