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

For links to the Section 2, Chapter G Equally spaced colour scales for optimal colour-image quality (2025) , see
For this image page with 10 colour series, see geys in English, ggys in German.
For the previous image page, see gexs in English, ggxs in German.
For the next image page, see gezs in English, ggzs 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 geys

Title: Adjacent and separate grey samples for interval scaling;
Series N-W, and dark and light N-W scales;
Four surrounds mean Grey U=N08w, dark Grey D=N04w, light Grey H=N12w, and darker mean Grey d=N06w.
1. Introduction and goals.
2. Visual 3, 5 or 9-step intervall scaling;
3. Visual samples on surrounds U, D, H, and d;
4. Visual numeric specification and calculation of scaling with example.
5. Application for the linearisation of the scales with inverse functions.
Remark: For similar test charts see gels.htm.

The following ten pages gey0 to gey9 of this chapter
show the content with links to the single figures in up to six formats.


Figure gey0l0n1.jpg: Output in format A6 of the file gey0l0np.pdf, see
gey0l0n1. ps / txt / pdf / jpg

gey0: TUB-test chart gey0; Grey samples for intervall scaling
Grey scale of N-W=N00w-N16w=W with Gamma=1, 2, 0,5, and 1,5
with 3 or 5 or 9 steps; surrounds U=N08w, D=N04w, H=N12w, d=N06w



Figure gey1l0n1.jpg: Output in format A6 of the file gey1l0np.pdf, see
gey1l0n1. ps / txt / pdf / jpg

gey1: TUB-test chart gey1; Colour samples for intervall scaling
Grey scale of N-W=N00w-N16w=W with Gamma=1, 2, 0,5, and 1,5
with 3 or 5 or 9 steps; constant surround mean Grey U=N08w



Figure gey2l0n1.jpg: Output in format A6 of the file gey2l0np.pdf, see
gey2l0n1. ps / txt / pdf / jpg

gey2: TUB-test chart gey2; Colour samples for intervall scaling
Evaluation of N-W=N00w-N16w=W with Gamma=1,0, and 2,0
with 3 or 5 or 9 steps; surrounds U=N08w and D=N04w



Figure gey3l0n1.jpg: Output in format A6 of the file gey3l0np.pdf, see
gey3l0n1. ps / txt / pdf / jpg

gey3: TUB-test chart gey3;Colour samples for intervall scaling
Evaluation of N-W=N00w-N16w=W with Gamma=1,0, and 2,0
with 3 or 5 or 9 steps; constant surround U=N08w



Figure gey4l0n1.jpg: Output in format A6 of the file gey4l0np.pdf, see
gey4l0n1. ps / txt / pdf / jpg

gey4: TUB-test chart gey4; Colour samples for intervall scaling
Functions Gamma=1,0 and 2,0 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; surrounds U=N08w und D=N04w



Figure gey5l0n1.jpg: Output in format A6 of the file gey5l0np.pdf, see
gey5l0n1. ps / txt / pdf / jpg

gey5: TUB-test chart gey5; Colour samples for intervall scaling
Functions Gamma=1,0 and 0,5 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; surrounds U=N08w und D=N12w



Figure gey6l0n1.jpg: Output in format A6 of the file gey6l0np.pdf, see
gey6l0n1. ps / txt / pdf / jpg

gey6: TUB-test chart gey6; Colour samples for intervall scaling
Functions Gamma=1,0 and 1,5 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; surrounds U=N08w und D=N10w



Figure gey7l0n1.jpg: Output in format A6 of the file gey7l0np.pdf, see
gey7l0n1. ps / txt / pdf / jpg

gey7: TUB-test chart gey7; Colour samples for intervall scaling
Functions Gamma=1,0 and 2,0 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; constant surround U=N08w



Figure gey8l0n1.jpg: Output in format A6 of the file gey8l0np.pdf, see
gey8l0n1. ps / txt / pdf / jpg

gey8: TUB-test chart gey8; Colour samples for intervall scaling
Functions Gamma=1,0 and 0,5 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; constant surround U=N08w



Figure gey9l0n1.jpg: Output in format A6 of the file gey9l0np.pdf, see
gey9l0n1. ps / txt / pdf / jpg

gey9: TUB-test chart gey9; Colour samples for intervall scaling
Functions Gamma=1,0 and 1,5 for N-W=N00w-N16w=W
with 3 or 5 or 9 steps; constant surround U=N08w

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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.