240215 1L2L0X0C_S2710.KTS/YEELCIN.KTS, http://farbe.li.tu-berlin.de/CEES.HTM or http://color.li.tu-berlin.de/CEES.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 CEES in English, CGES in German.
For the previous image page, see CEDS in English, CGDS in German.
For the next image page, see CEFS in English, CGFS 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 CEES

Title: Colour thresholds and line elements in 10 colour spaces LABJNDu0 to 9
1. Introduction and goals;
2. Modifications LABJNDu0 to 9 of the colour difference formula LABJND according to CIE 230:2019;
3. Corresponding line elements for the experimental contrast Y/(delta Y);
4. Absolute lightness L* (CIE 15) and T* (IEC sRGB) and relative lightness l* and t*;
5. Logarithmic and linear figures for L*, T*, l* and t*;
6. Logarithmic figures for threshold delta Y, sensitivity (delta Y)/Y, and contrast Y/(delta Y);
7. Parameters: A0n=1,5, A1n=sv, A2n=cv*cx, sv=0,0170, cv=0,0058, cx=1,00;
8. Variations cx=0,84, 0,67 und 0,42, and additional data.

The following ten pages CEE0 to CEE9 of this chapter
show the content with links to the single figures in up to six formats.


Figure CEE0L0N1.jpg: Output in format A6 of the file CEE0L0NP.PDF, see
CEE0L0N1. PS / TXT / PDF / jpg

CEE0: TUB-test chart CEE0; LABJNDu0 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE1L0N1.jpg: Output in format A6 of the file CEE1L0NP.PDF, see
CEE1L0N1. PS / TXT / PDF / jpg

CEE1: TUB-test chart CEE1; LABJNDu1 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE2L0N1.jpg: Output in format A6 of the file CEE2L0NP.PDF, see
CEE2L0N1. PS / TXT / PDF / jpg

CEE2: TUB-test chart CEE2; LABJNDu2 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,84 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE3L0N1.jpg: Output in format A6 of the file CEE3L0NP.PDF, see
CEE3L0N1. PS / TXT / PDF / jpg

CEE3: TUB-test chart CEE3; LABJNDu3 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,67 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE4L0N1.jpg: Output in format A6 of the file CEE4L0NP.PDF, see
CEE4L0N1. PS / TXT / PDF / jpg

CEE4: TUB-test chart CEE4; LABJNDu4 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,42 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE5L0N1.jpg: Output in format A6 of the file CEE5L0NP.PDF, see
CEE5L0N1. PS / TXT / PDF / jpg

CEE5: TUB-test chart CEE5; LABJNDu5 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE6L0N1.jpg: Output in format A6 of the file CEE6L0NP.PDF, see
CEE6L0N1. PS / TXT / PDF / jpg

CEE6: TUB-test chart CEE6; LABJNDu6 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE7L0N1.jpg: Output in format A6 of the file CEE7L0NP.PDF, see
CEE7L0N1. PS / TXT / PDF / jpg

CEE7: TUB-test chart CEE7; LABJNDu7 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,84 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE8L0N1.jpg: Output in format A6 of the file CEE8L0NP.PDF, see
CEE8L0N1. PS / TXT / PDF / jpg

CEE8: TUB-test chart CEE8; LABJNDu8 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,67 & data
absolute and relative lightness, sensitivity and contrast



Figure CEE9L0N1.jpg: Output in format A6 of the file CEE9L0NP.PDF, see
CEE9L0N1. PS / TXT / PDF / jpg

CEE9: TUB-test chart CEE9; LABJNDu9 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,42 & data
absolute and relative lightness, sensitivity and contrast

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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.