230201 1L2L0X0C_(S), http://farbe.li.tu-berlin.de/CEFS.HTM or http://color.li.tu-berlin.de/CEFS.HTM

For this image page with 10 colour series, see CEFS in English, CGFS in German.
For the previous image page, see CEES in English, CGES in German.
For the next image page, see CEGS in English, CGGS in German.

For links to the chapter C Colour Spaces, Colour Differences, and Line Elements (2021), see
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.
Example image part of 26 parts CEAS to CEZS: CEAS in English or CGAS in German.

Chapter C: Colour Spaces, Colour Differences, and Line Elements (2021), Image part CEFS

The following ten pages CEF0 to CEF9 of this chapter
show the content with links to the single figures in up to six formats.

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.


Figure CEF0L0N1.jpg: Output in format A6 of the file CEF0L0NP.PDF, see
CEF0L0N1. PS / TXT / PDF / jpg

CEF0: TUB-test chart CEF0; LABJNDu0 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00
absolute and relative lightness, sensitivity and contrast



Figure CEF1L0N1.jpg: Output in format A6 of the file CEF1L0NP.PDF, see
CEF1L0N1. PS / TXT / PDF / jpg

CEF1: TUB-test chart CEF1; LABJNDu1 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00
absolute and relative lightness, sensitivity and contrast



Figure CEF2L0N1.jpg: Output in format A6 of the file CEF2L0NP.PDF, see
CEF2L0N1. PS / TXT / PDF / jpg

CEF2: TUB-test chart CEF2; LABJNDu2 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,84
absolute and relative lightness, sensitivity and contrast



Figure CEF3L0N1.jpg: Output in format A6 of the file CEF3L0NP.PDF, see
CEF3L0N1. PS / TXT / PDF / jpg

CEF3: TUB-test chart CEF3; LABJNDu3 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,67
absolute and relative lightness, sensitivity and contrast



Figure CEF4L0N1.jpg: Output in format A6 of the file CEF4L0NP.PDF, see
CEF4L0N1. PS / TXT / PDF / jpg

CEF4: TUB-test chart CEF4; LABJNDu4 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,42
absolute and relative lightness, sensitivity and contrast



Figure CEF5L0N1.jpg: Output in format A6 of the file CEF5L0NP.PDF, see
CEF5L0N1. PS / TXT / PDF / jpg

CEF5: TUB-test chart CEF5; LABJNDu5 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00
absolute and relative lightness, sensitivity and contrast



Figure CEF6L0N1.jpg: Output in format A6 of the file CEF6L0NP.PDF, see
CEF6L0N1. PS / TXT / PDF / jpg

CEF6: TUB-test chart CEF6; LABJNDu6 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=1,00
absolute and relative lightness, sensitivity and contrast



Figure CEF7L0N1.jpg: Output in format A6 of the file CEF7L0NP.PDF, see
CEF7L0N1. PS / TXT / PDF / jpg

CEF7: TUB-test chart CEF7; LABJNDu7 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,84
absolute and relative lightness, sensitivity and contrast



Figure CEF8L0N1.jpg: Output in format A6 of the file CEF8L0NP.PDF, see
CEF8L0N1. PS / TXT / PDF / jpg

CEF8: TUB-test chart CEF8; LABJNDu8 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,67
absolute and relative lightness, sensitivity and contrast



Figure CEF9L0N1.jpg: Output in format A6 of the file CEF9L0NP.PDF, see
CEF9L0N1. PS / TXT / PDF / jpg

CEF9: TUB-test chart CEF9; LABJNDu9 formulae similar to CIE 230
LABJND lightness, A0n=1,50, A1n/cx, A2n, cx=0,42
absolute and relative lightness, sensitivity and contrast

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about colour test charts, colorimetric calculations, standards, and publications, see
indexAE.html in English, indexAG.html in German.

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