220411 'ANAX' http://farbe.li.tu-berlin.de/AEA_I.HTM oder http://color.li.tu-berlin.de/AEA_I.HTM.

For links to the chapter A Colour Image Technology and Colour Management, see
Content list of chapter A: AEA_I in English or AGA_I in German.
Summary of chapter A: AEA_S in English or AGA_S in German.
Example content part AEAI of 26 parts AEAI to AEZI: AEAI in English or AGAI in German.
Example images part AEAS of 26 parts AEAS to AEZS: AEAS in English or AGAS in German.

For links to the chapter B Colour Vision and Colorimetry, see
Content list of chapter B: BEA_I in English or BGA_I in German.
Summary of chapter B: BEA_S in English or BGA_S in German.
Example content part BEAI of 26 parts BEAI to BEZI: BEAI in English or BGAI in German.
Example images part BEAS of 26 parts BEAS to BEZS: BEAS in English or BGAS in German.

For links to the chapter C Colour Spaces, Colour Differences, and Line Elements, under work, 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 content part CEAI of 26 parts CEAI to CEZI: CEAI in English or CGAI in German.
Example images part CEAS of 26 parts CEAS to CEZS: CEAS in English or CGAS in German.

For links to the chapter D Colour Appearance, Elementary Colours, and Metrics, under work, see
Content list of chapter D: DEA_I in English or DGA_I in German.
Summary of chapter D: DEA_S in English or DGA_S in German.
Example content part DEAI of 26 parts DEAI to DEZI: DEAI in English or DGAI in German.
Example images part DEAS of 26 parts DEAS to DEZS: DEAS in English or DGAS in German.

Project title: Colour and colour vision with Ostwald, Device, and elementary colours -
Antagonistic colour-vision model and properties for many applications

Chapter A: Colour Image Technology and Colour Management, Main part AEA_I

This web page will incude 26 main parts (I) with general information, and is under Development (2021).
There will be 26 corresponding image parts (S), each with 10 figure pages.
Each of the 10 figure pages (0 to 9) includes up to 16 figures, and each with up to six formats.

Structure, content, and order of files and figures on the example chapter
Colour Vision and Colorimetry


Figure 1 shows the structure of the web site BE(A..Z)I.HTM und BE(A..Z)S.HTM.
For the download of this figure in the VG-PDF format, see AEX00-5N.PDF.

Structure, content, and order of files and figures on the web site http://farbe.li.tu-berlin.de.


Figure 2 shows the structure, the content, and the order of files and figures on the web site http://farbe.li.tu-berlin.de.
For the download of this figure in the VG-PDF format, see AEX0L0N1.

List of links to all main parts, and the contents of all image parts

Main part AEAI in English or AGAI in German.

Title: Colour management in the RGB*-colour space with the
ISO/IEC-test chart AE49 according to ISO 9241-306.

1. Introduction and goals.
2. Change of colour spacing in hue planes by the luminance reflection
of the ambient light on the display surface.
3. PostScript program code for application of the 1-Minus-Relation (1MR).
4. PostScript-Program code for production of 15 ISO-contrast steps.
5. Colour management with the Profile Connection Space (PCC) in Lab* and RGB*.
6. ISO-colour file AE49 and the colour loop: ISO-file -> print -> scan -> ISO-file
for many applictions.
7. Chromatic test chart AE49 with 1080 colours without and with the 1-Minus-Relation (1MR).
8. Chromatic test chart AE49 for 5 and 15 ISO-contrast steps.
9. Chromatic test chart AE49 with rgb, cmy0, and cmyk data.

go to the image part AEAS to study the 10 image pages and the content.


Main part AEBI in English or AGBI in German.

Title: Change of ISO/IEC-test charts according to ISO/IEC 15775
and ISO 9241-306 from vector to pixel graphic und production
of 15 ISO-contrast steps with PostScript

1. Introduction and goals.
2. Example for colour management in a virtual design room.
3. PostScript program code for the application of the 1-Minus-Relation (1MR).
4. PostScript program code for the production of 15 ISO-contrast steps.
5. ISO/IEC-test charts according to ISO/IEC 15775 and ISO 9241-306.
6. Chromatic test chart for 1080 colours and colour code (row/column).
7. Achromatic test chart with elements for spacing, resolution, readability and visibility.
8. Chromatic test charts with similar elements in colour.
9. Change of any achromatic and chromatic ISO-test chart from vector graphic VG to pixel graphic PG.
10. Change of any PG file of the standard ISO-contrast step CYP8
to the 15 ISO-contrast steps with use of the PS operator settransfer.

go to the image part AEBS to study the 10 image pages and the content.


Main part AECI in English or AGCI in German.

Title: The technology of the ISO/IEC image with a flower motiv based on a reflective original.

1. Introduction and goals.
2. Analog original with a 16-step gray scale of equal spacing in L*, and CIE-test colours.
3. Properties of the digital ISO/IEC image with photo-CD technology.
4. Properties of the digital ISO/IEC image for slide (sf) and negative film (nf).
5. Properties between two stops under and over exposure.
6. Output linearization produces similar rgb* files for allexposures.
7. Digital ISO/IEC image for five resolutions.
8. Digital ISO/IEC image in the formats rgb and cmy0.

go to the image part AECS to study the 10 image pages and the content.


Main part AEDI in English or AGDI in German.

Title: Test charts similar to ISO 9241-306:2018 in vector graphic.

1. Introduction and goals.
2. Original ISO/IEC-test charts for relative contrast gP=1,000 (CYP8).
3. Charts for 5 ISO-contrast steps gP=0,475, 0,775, 0,850, 1,000, 2,105
(CYP1, CYP5, CYP6, CYP8, CYP15) with text.
4. Charts for 15 ISO-contrast steps 0,475<=gP<=2,105 (CYP1, ..., CYP15).
5. Charts are similar to the charts AE29, AE39, AE49, AE09, AE19 of ISO 9241-306.
6. Applications are between low contrast (high luminance reflection of the
ambient light) and high contrast (low reflection) on the display surface.
7. Modification of the ISO-contrast step CYP8 to CYP5 or office-work places.

go to the image part AEDS to study the 10 image pages and the content.


Main part AEEI in English or AGEI in German.

Title: Test charts similar to ISO 9241-306:2018 and linearized ISO/IEC images.

1. Introduction and goals.
2. Original ISO/IEC-test charts for the relative standard contrast gP=1,000 (CYP8).
3. Charts for 5 ISO-contrast steps gP=0,475, 0,775, 0,850, 1,000, 2,105
(CYP1, CYP5, CYP6, CYP8, CYP15) with text.
4. Charts for 15 ISO-contrast steps 0,475<=gP<=2,105 (CYP1, ..., CYP15).
5. Charts are similar to the charts AE59, AE18/28 (with ISO/IEC image) of ISO 9241-306.
6. Applications are between low contrast (high luminance reflection of the ambient light)
and high contrast (low reflection) on the display surface.
7. Modification of the ISO-contrast step CYP8 to CYP5 for office-work places.
8. Linearized ISO/IEC image of four ISO-contrast steps (CYP1, CYP5, CYP8=CYN8
and CYP15=CYN1) with rgb and cmy0 data of slide (sf) and negative film (nf).

go to the image part AEES to study the 10 image pages and the content.


Main part AEFI in English or AGFI in German.

Title: Test charts similar to ISO 9241-306:2018 and linearized ISO/IEC images.

1. Introduction and goals.
2. Original ISO/IEC-test charts for the relative standard contrast gP=1,000 (CYP8).
3. Charts for 5 ISO-contrast steps gP=0,475, 0,775, 0,850, 1,000, 2,105
(CYP1, CYP5, CYP6, CYP8, CYP15) with text.
4. Charts for 15 ISO-contrast steps 0,475<=gP<=2,105 (CYP1, ..., CYP15).
5. Charts are similar to the charts AE39 of ISO 9241-306, however with 16 and 32 instead of 20 hue steps.
6. Applications are between low contrast (high luminance reflection of the ambient light)
and high contrast (low reflection) on the display surface.
7. Modification of the ISO-contrast step CYP8 to CYP5 for office-work places.
8. Test charts include Code (position row/column) of 16 and 32 hue steps of the 1080 colours of the test chart AE49.

go to the image part AEFS to study the 10 image pages and the content.


Main part AEGI in English or AGGI in German.

Title: Hue circles; chroma or exponential transfer from rgb* to rgb*i coordinates; standardization of the ISO-colour loop.

1. Introduction and goals.
2. Transfer of rgb* to nicwde* coordinates.
3. CIELAB data of elementary hue circles of Miescher, offset OLS18 and display TLS18.
4. rgb* colours for six colours RYGCBM with transfer of the relative chroma c*.
5. rgb* colours for six colours RYGCBM with exponential transfer rgb*^n with the exponent n.
6. Affine ergonomic colour metric, standardization and properties of Eigen (E) and opponent colours (O).

go to the image part AEGS to study the 10 image pages and the content.


Main part AEHI in English or AGHI in German.

Title: Colour properties in six device-hue planes for the device sRGB,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data,
and ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to white YWa=88,6.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device sRGB;
YN=0, YNn=2,5 and 40,3, white adaptation YWa=88,6.
3. Eight sRGB-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YWa=88,6.

go to the image part AEHS to study the 10 image pages and the content.


Main part AEII in English or AGII in German.

Title: Colour properties in six device-hue planes
for the device WCGa (Wide Colour Gamut),
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to white YWa=88,6.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device WCGa;
YN=0, YNn=2,5 and 40,3, white adaptation YWa=88,6.
3. Eight WCGa-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YWa=88,6.

go to the image part AEIS to study the 10 image pages and the content.


Main part AEJI in English or AGJI in German.

Title: Colour properties in six device-hue planes for the device Offs,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data,
and ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to white YWa=88,6.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device Offs;
YN=0, YNn=2,5 and 40,3, white adaptation YWa=88,6.
3. Eight Offs-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YWa=88,6.

go to the image part AEJS to study the 10 image pages and the content.


Main part AEKI in English or AGKI in German.

Title: Colour properties in six device-hue planes for the device Ostw,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to white YWa=88,6.


1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device Ostw;
YN=0, YNn=2,5 and 40,3, white adaptation YWa=88,6.
3. Eight Ostw-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YWa=88,6.

go to the image part AEKS to study the 10 image pages and the content.


Main part AELI in English or AGLI in German.

Title: Colour properties in six device-hue planes for the device sRGB,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to grey YZa=18,0.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device sRGB;
YN=0, YNn=2,5 and 40,3, grey adaptation YZa=18,0.
3. Eight sRGB-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YZa=18,0.

go to the image part AELS to study the 10 image pages and the content.


Main part AEMI in English or AGMI in German.

Title: Colour properties in six device-hue planes for the device WCGa (Wide Colour Gamut),
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to grey YZa=18,0.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device WCGa;
YN=0, YNn=2,5 and 40,3, grey adaptation YZa=18,0.
3. Eight WCGa-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YZa=18,0.

go to the image part AEMS to study the 10 image pages and the content.


Main part AENI in English or AGNI in German.

Title: Colour properties in six device-hue planes for the device Offs,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to grey YZa=18,0.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device Offs;
YN=0, YNn=2,5 and 40,3, grey adaptation YZa=18,0.
3. Eight Offs-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YZa=18,0.

go to the image part AENS to study the 10 image pages and the content.


Main part AEOI in English or AGOI in German.

Title: Colour properties in six device-hue planes for the device Ostw,
with CIELAB-LabC*h and L*ABJND-L*ABCh output data, and
ambient-light reflections for black YN=0, YNn=2,5, and 40,3,
and the adaptation to grey YZa=18,0.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output for the device Ostw;
YN=0, YNn=2,5 and 40,3, grey adaptation YZa=18,0.
3. Eight Ostw-device colours RYGCBMNW
for eight ambient-light reflections according to ISO 9241-306;
ISO-rgb*, CIE-XYZxy, CIELAB-LabC*h,
and L*ABJND-L*ABCh-output data for YZa=18,0.

go to the image part AEOS to study the 10 image pages and the content.


Main part AEPI in English or AGPI in German.

Title: sRGB, WCGa, Offs, and Ostw colours in six device-hue planes
WCGa and Offs colours in four elementary-hue planes,
and with CIELAB-LabC*h output data,
and the ambient-light reflections for black YN=0 and YNn=2,5,
and the adaptation to white YWa=88,6.

1. Introduction and goals.
2. ISO-rgb* input and CIELAB-LabC*h output
for the devices sRGB, WCGa, Offs, and Ostw;
YN=0, YNn=2,5, and white adaptation YWa=88,6.
3. ISO-rgb* input and CIELAB-LabC*h output
for the devices WCGa and Offs colours in four elementary-hue planes
ISO-rgb*, CIE-XYZxy, and
CIELAB-LabC*h-output data for YWa=88,6.
4. Ostwald-hue circle with 16 steps;
Calculation of elementary colours according to CIE R1-57:2015
with relative hue scaling.
5. CIE data of eight Offset and BAM-test colours; Output in six hue planes.
6. CIE data of the display system sRGB according to IEC 61966-2-1
(ITU-R BT.709.3) and of the display system WCGa (Wide Colour Gamut)
according to ITU-R BT.2020 for the white adaptations YWa=100,
and YWa=88,6.

go to the image part AEPS to study the 10 image pages and the content.


Main part AEQI in English or AGQI in German.

Title: ISO and CIE standard documents for achromatic colours,
Relation between colorimetry and physiological signals in colour vision,
Luminance and contrast discrimination as function of luminance,
CIE data of the continuous colour circle of Ostwald
with elementary colours.

1. Introduction and goals.
2. ISO and CIE standard documents for achromatic colours.
3. Relation between colorimetry and physiological signals in colour vision.
4. Luminance and contrast discrimination as function of luminance.
5. CIE data and diagrams of the continuous colour circle of Ostwald with elementary colours.

go to the image part AEQS to study the 10 image pages and the content.


Main part AERI in English or AGRI in German.

Title: Four Ostwald and six special optimal colours;
CIEXYZ, CIELAB and LABJND in different tables and diagrams;
5 step offset and BAM-test colours in four hue planes.

1. Introduction and goals.
2. Four Ostwald and six special optimal colours.
3. CIEXYZ, CIELAB and LABJND in different tables and diagrams.
4. 5step offset and BAM-test colours in four hue planes.

go to the image part AERS to study the 10 image pages and the content.


Main part AESI in English or AGSI in German.

Title: Colour-valence metric and higher colour metric;
Equation for CIE tristimulues values and lightness;
Equations for chroma, chromatic value, and chromaticity;
Contrast steps and changes according to ISO 9241-306;
Six device and four elementary colours of the devices sRGB and Ostw.

1. Introduction and goals.
2. Colour-valence metric and higher colour metric. 3. Equation for tristimulues values and lightness.
4. Equations for chroma, chromatic value, and chromaticity.
5. Contrast steps and changes according to ISO 9241-306.
6. Six device and four elementary colours of the devices sRGB and Ostw (Ostwald).

go to the image part AESS to study the 10 image pages and the content.


Main part AETI in English or AGTI in German.

Title: Achromatic and chromatic colour scaling;
Line elements of Stiles, Vos&Walraven, and double line element of Richter;
Colorimetry and psycho-physical properties of colour vision;
Lightness, sensitivity and contrast according to CIELAB, LABJND, and CIEDE2000;
Similar Weber-Fechner & Gauß functions for thresholds, contrast and lightness;
Antagonistic model of colour vision based on optimal colours.

1. Introduction and goals.
2. Achromatic and chromatic colour scaling.
3. Line elements of Stiles, Vos&Walraven, and double line element of Richter.
4. Colorimetry and phychophysical properties of colour vision.
5. Lightness, sensitivity and contrast according to CIELAB, LABJND, and CIEDE2000.
6. Similar Weber-Fechner & Gauß functions for thresholds, contrast and lightness.
7. Antagonistic model of colour vision based on optimal colours.

go to the image part AETS to study the 10 image pages and the content.


Main part AEUI in English or AGUI in German.

Title: Hue circle of Ostwald-optimal colours;
YN=3,6, YW=90, for CIE standard illuminant D65 or illuminant P60 (6000K);
XYZ, YABCh, YABCh1, and YABCh2 data;
Data for the CIE 02 and 10 degree observer in 8 colour diagrams;
Three elementary-colour systems;
Spectral properties of optimal and surface colours;
Space coordinates: device, optimal, and Arens colours.

1. Introduction and goals.
2. Hue circle of Ostwald-optimal colours;
2.1 YN=3,6, YW=90, CIE standard illuminants D65, CIE 02 degree observer;
XYZ data and 8 colour diagrams; Data YABCh, YABCh1 and YABCh2 as table with wavelength
2.2 similar for CIE standard illuminant D65, CIE 10 degree observer;
2.3 similar for CIE illuminants P60 (6000K), CIE 02 degree observer;
3. Three elementary-colour systems
Spectral properties of optimal and surface colours;
Space coordinates: device, optimal, and Arens colours.

go to the image part AEUS to study the 10 image pages and the content.


Main part AEVI in English or AGVI in German.

Title: Ostwald-optimal colours;
YN=3,6, YW=90, for eight illuminants Dxx or Pxx;
XYZ, YABCh, YABCh1, and YABCh2 data;
Data for the CIE 02 and 10 degree observer in 8 colour diagrams;
Chromatic adaptation model for 8 Planck radiations.

1. Introduction and goals.
2. Ostwald-optimal colours;
2.1 YN=3,6, YW=90, 8 illuminants Dxx, CIE 02 degree observer;
XYZ data and 8 colour diagrams; Data YABCh, YABCh1 and YABCh2 as table with wavelength;
2.2 similar for 8 illuminants Dxx, CIE 10 degree observer;
2.3 similar for 8 illuminants Pxx, CIE 02 degree observer;
3. Chromatic adaptation model
Ostwald-optimal colours for 8 Planck radiations Pxx with
8 correlated colour temperatures between 6000K (P60) and 2500K (P25).

go to the image part AEVS to study the 10 image pages and the content.


Main part AEWI in English or AGWI in German.

Title: Technology for a gamma change of image files of the standard size A4L with PostScript.

1. Introduction and goals.
2. Step recognition for changes of the illumination and viewing angles and mirror reflection.
3. Test chart for the dark room with the ISO-contrast step CYP8.
4. Test chart for the standard office with the ISO-contrast step CYP5.
5. Test chart for the standard office with 15 ISO-contrast steps CYP1 to CYP15.
6. Frame file in VG and ISO-AE49 file in VG.
7. Frame file in VG and ISO-AE49 file in PG.
8. Whole frame file and ISO-AE49 file in PG.


go to the image part AEWS to study the 10 image pages and the content.


Main part AEXI in English or AGXI in German.

Title: Technology for a gamma change of image files with profiles and PostScript.

1. Introduction and goals.
2. Content, structure and names of many web pages and figures.
3. Gamma calibration with Mac OS V10.7.5 and display output of 1080 colours.
4. 1080 standard colours at 16 standard positions similar to ISO 9241-306:AE49 for up to 15 ISO-contrast steps CYP1 to CYP15.
5. Creation of colour profiles with Mac OS V10.7.5 and use on computers.

go to the image part AEXS to study the 10 image pages and the content.


Main part AEYI in English or AGYI in German.

Title: Technology for a change of vector to pixel graphic, input-output
relationships, and CIELAB-chroma and rgb values.

1. Introduction and goals.
2. Different numbering for frame files and figure files in VG and PG.
3. Input-output relationship between CIE lightness L* and
8bit rgb data for slide film (sf) and negative film (nf)
between under and over exposure.
4. Device and elementary hue circles, and the location of LMS cones
in the hue circle, and chromatic and chroma data.
5. Device and elementary colours in the CIELAB-chroma diagram (a*, b*).
6. Display output for 3x8 standard device systems, for example eight
Television Luminous System TLS00a to TLS70a according to ISO 9241-306.
7. Figures and eight tables with CIELAB chroma and rgb data for 3 x 8 standard device systems.
8. User-output steering with rgb data on displays and by a transfer of rgb to cmyk data for printers.

go to the image part AEYS to study the 10 image pages and the content.


Main part AEZI in English or AGZI in German.

Title: Technology to change vector to pixel graphic and to mix both.

1. Introduction and goals.
2. Different numbering for frame and figure files in VG and PG.
3. Change of file AE49 in small size in vector graphic for relative gamma 0,475 <= gP <= 2,105.
4. Change of file AE49 in small size to pixel graphic for relative gamma 0,475 <= gP <= 2,105.
5. Output of file AE49 in standard size with vector graphic for relative gamma gP = 1,000.
6. Change of file AE49 in standard size to pixel graphic for relative gamma gP = 1,000.
7. Change of 17 simple rectangle files from vector to pixel graphic and mixture.
8. Change of 2 simple rectangle files from vector to pixel graphic and mixture.

go to the image part AEZS to study the 10 image pages and the content.


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For the start TUB web site (not archive), see
index.html in English, indexDE.html in German.

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.