240215 1L2L0X0C_S2710.KTS/YEZLCIN.KTS, http://farbe.li.tu-berlin.de/CEZS.HTM or http://color.li.tu-berlin.de/CEZS.HTM

For links to the Section 2, Chapter C Colour Spaces, Colour Differences, and Line Elements (2021), see
For this image page with 10 colour series, see CEZS in English, CGZS in German.
For the previous image page, see CEYS in English, CGYS in German.
For the next image page, see CEAS in English, CGAS in German.
For the first image page of the previous chapter B, see BEAS in English, BGAS in German.
For the first image page of the next chapter D, see DEAS in English, DGAS in German.

Content list of chapter C: CEA_I in English or CGA_I in German.
Summary of chapter C: CEA_S in English or CGA_S in German.
For the large image page of chapter C with 260 colour series, see ce2s in English or cg2s in German.

Section 2, Chapter C
Colour Spaces, Colour Differences, and Line Elements (2021), Image part CEZS

Title: Technology of images with the programming language PostScript;
Combining images (rectangle layout) to new images.

1. Introduction and goals.
2. Examples of new images in different layout;
3. Rectangular and hue circle presentation;
4. Application for the Ostwald hue circle;
5. Standard reflection R, relative reflection Rr=R/0,18 and Rs=log(Rr).
6. Wavelength limits and XYZ data of Ostwald colours for 8 illuminants.
7. Chromatic values (A, B), (A1, B1), and (A2, B2) of Ostwald colours.

The following ten pages CEZ0 to CEZ9 of this chapter
show the content with links to the single figures in up to six formats.


Figure CEZ0L0N1.jpg: Output in format A6 of the file CEZ0L0NP.PDF, see
CEZ0L0N1. PS / TXT / PDF / jpg

CEZ0: TUB-test chart CEZ0; Reflections R, Rr, Rs of Ostwald-
hue circle, contrasts C=36:1 and C=25:1.
The 4 images include 7 images of CEV2 (left) and CEV3 (right)



Figure CEZ1L0N1.jpg: Output in format A6 of the file CEZ1L0NP.PDF, see
CEZ1L0N1. PS / TXT / PDF / jpg

CEZ1: TUB-test chart CEZ1; Reflections R, Rr, Rs of Ostwald-
hue circle, contrasts C=4:1 and C=25:1.
The 4 images include 7 images of CEV6 (left) and CEV3 (right)



Figure CEZ2L0N1.jpg: Output in format A6 of the file CEZ2L0NP.PDF, see
CEZ2L0N1. PS / TXT / PDF / jpg

CEZ2: TUB-test chart CEZ2; Reflection R, Rr, Rs of Ostwald-
hue circle, contrasts C=25:1 and 16:1.
The 4 images include 7 images of CEV3 (left) and CEV4 (right)



Figure CEZ3L0N1.jpg: Output in format A6 of the file CEZ3L0NP.PDF, see
CEZ3L0N1. PS / TXT / PDF / jpg

CEZ3: TUB-test chart CEZ3; Tests for image creation based on images
combination of 4 x 7 images to 4 of circular layout
The 4 images have two sizes (120, 123)mm x 82mm



Figure CEZ4L0N1.jpg: Output in format A6 of the file CEZ4L0NP.PDF, see
CEZ4L0N1. PS / TXT / PDF / jpg

CEZ4: TUB-test chart CEZ4; Y-B and R-C-hue planes
Ostwald-colours, standard illuminants D65 and D50,
contrasts C<288:1 (red) and 2:1 (green)



Figure CEZ5L0N1.jpg: Output in format A6 of the file CEZ5L0NP.PDF, see
CEZ5L0N1. PS / TXT / PDF / jpg

CEZ5: TUB-test chart CEZ5; Ostwald colours
modifications blackish and whitish colours
spectrum and location in hue planes



Figure CEZ6L0N1.jpg: Output in format A6 of the file CEZ6L0NP.PDF, see
CEZ6L0N1. PS / TXT / PDF / jpg

CEZ6: TUB-test chart CEZ6; Reflections R, Rr, Rs of Ostwald-
hue circle, contrast C=25:1.
The 4 images include 7 images of CEV3 and BGA1



Figure CEZ7L0N1.jpg: Output in format A6 of the file CEZ7L0NP.PDF, see
CEZ7L0N1. PS / TXT / PDF / jpg

CEZ7: TUB-test chart CEZ7; Affine colour metric: 6 device colours
sRGB data and Wide Colour Gamut WCG data, contrasts C=36:1 & 2:1
rgb*, XYZ, L*(Ch)ab, reflection YN=0 and YN=40,3, Yw=88,6



Figure CEZ8L0N1.jpg: Output in format A6 of the file CEZ8L0NP.PDF, see
CEZ8L0N1. PS / TXT / PDF / jpg

CEZ8: TUB-test chart CEZ8; Lambda limits of Ostwald colours
for illuminants P60, P50, P40, P30, D65, D50, A, and E
Tristimulus values XYZ and XYZ10 for 8 optimal colours und grey



Figure CEZ9L0N1.jpg: Output in format A6 of the file CEZ9L0NP.PDF, see
CEZ9L0N1. PS / TXT / PDF / jpg

CEZ9: TUB-test chart CEZ9; Chomatic values of Ostwald colours
for illuminants D65, D50, A, E with appropiate Bc adaptation
Chromatic values (A1, B1) and (A2, B2) of 10 optimal colours

-------
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.