240605 (hand) 1L2L0X0E_(I), http://farbe.li.tu-berlin.de/BEAI.HTM or http://color.li.tu-berlin.de/BEAI.HTM

For this main page with general information and special images, see BEAI in English, BGAI in German.

Remark: Until today there is no specific text on the following pages: BETI, BEUI, up to BEZI.
Specific text is on the pages: BEBI bis BEHI.


For links to the previous chapter A, see AEAI in English, AGAI in German.
For links to the next chapter C, see CEAI in English, CGAI in German.

For links to the previous chapter A Colour Image Technology and Colour Management (2019),, see
Content list of chapter A: AEA_I in English or AGA_I in German.
Example image part of 26 parts AEAS to AEZS: AEAS in English or AGAS in German.

For links to this chapter B Colour Vision and Colorimetry (2020),, see
Content list of chapter B: BEA_I in English or BGA_I in German.
Example image part of 26 parts feas to fezs: BEAS in English or BGAS in German.

For links to the next chapter C Colour Spaces, Colour Differences, and Line Elements (2021)),, see
Content list of chapter D (links and file names use capitel letters):: CEA_I in English or CGA_I in German.
Example image part of 26 parts DEAS to DEZS: CEAS in English or CGAS in German.

Chapter B: Colour Vision and Colorimetry (2020), Main part BEAI

1. Introduction and Goals

This part shows colorimetric properties for the CIE-02-degree observer and antagonistic colours and their reflection.


Fig. 1: Output in format A6 of the file BEA7L0NP.PDF, see
BEA7L0N1. PS / TXT / PDF / jpg

BEA7: Colour mixture of three to six basic colours (RYGCBM)d and white Wd,
additive colour mixture of Ostwald-optimal colours,
additive colour mixture with displays in colour television and in colour image technology.



Fig. 2: Output in format A6 of the file BEA1L0NP.PDF, see
BEA1L0N1. PS / TXT / PDF / jpg

BEA1: Visual chromatic adaptation model;
change from (A1, B1) to (A2, B2),
Application of Ostwald-optimal colours for 8 Planck radiation,
8 correlated colour temperatures between 6000K (P60) and 2500K (P25).



Fig. 3: Output in format A6 of the file BEA5L0NP.PDF, see
BEA5L0N1. PS / TXT / PDF / jpg

BEA5: Variable central field luminances L and 5 surround field luminances Lu,
Luminance thresholds delta L, contrast threshold C=L/(delta L), and lightness L*,
experimental data of Lingelbach and Richter,
see conference proceedings Licht II (1986), p. 217-225.



Fig. 4: Output in format A6 of the file BEA4L0NP.PDF, see
BEA4L0N1. PS / TXT / PDF / jpg

BEA4: Thresholds of separated and adjacent colours,
Thresholds of luminance delta L and contrast C=L/(delta L),
Line elements for colur, luminance and contrast.



Fig. 5: Wavelength ranges of Ostwald-optimal colours for CIE standard illuminant D65.
For the down;load of this figure in the VG-PDF format, see BGB61-1A.PDF.

The spectral radiation for the CIE standard illuminant D65 and the wavelength ranges of the colour pairs R-C and Y-B are shown in the CIE chromaticity diagram (x, y).



Fig. 6: Fig. 5: Wavelength ranges of Ostwald-optimal colours for CIE standard illuminant A.
For the down;load of this figure in the VG-PDF format, see BGB61-4A.PDF.

The spectral radiation for the CIE standard illuminant A and the wavelength ranges of the colour pairs R-C and Y-B are shown in the CIE chromaticity diagram (x, y).

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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.