240901 1L2L0X0G_K2710.KTS/YEmlGIN.KTS http://color.li.tu-berlin.de/gems.htm or http://farbe.li.tu-berlin.de/gems.htm

For links to the Section 2, Chapter G Equalll spaced colour scales for optimal colour-image quality (2025) , see
For this image page with 10 colour series, see gems in English, ggms in German.
For the previous image page, see gels in English, ggls in German.
For the next image page, see gens in English, ggns in German.
For the first image page of the previous chapter F, see feas in English, fgas in German.
For the first image page of the next chapter H (under work), see heas in English, hgas in German.

Content list of chapter G (under work): gea_i in English or gga_i in German.
Summary of chapter G: gea_s in English or gga_s in German.
For the large image page of chapter G with 260 colour series, see ge2s in English or gg2s in German.

Section 2, Chapter G
Equally spaced colour scales for optimal colour-image quality (2025), Image part gems

Title: 1080 display coplours for the SDR and HDR range;
Different Gamma for large and small image
for 16 ambient reflections accoprding to ISO 9241-306
1. Introduction and goals;
2. 1080 colours according to ISO 9241-306;
3. Gamma change gP for 9 steps according to ISO 9241-306;
4. Extention of the sRGB files for the display range HDR;
5. Determination of visual Gamma for the HDR-white range W-P2 with 9 and 17 colour steps;
6. Applications for an ergonomic image technology for the consumer area.
Remark: For older and similar test charts see fexs.htm.

The following ten pages gem0 to gem9 of this chapter
show the content with links to the single figures in up to six formats.


Figure gem0l0n1.jpg: Output in format A6 of the file gem0l0np.pdf, see
gem0l0n1. ps / txt / pdf / jpg

gem0: TUB-test chart gem0; PostScript eps code
for the output steering and output linearisation
Outputs: start (N), real (R), inverse (B) & linearised



Figure gem1l0n1.jpg: Output in format A6 of the file gem1l0np.pdf, see
gem1l0n1. ps / txt / pdf / jpg

gem1: TUB-test chart gem1; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection C_YP8 according to ISO 9241-306, g_rel=1,000



Figure gem2l0n1.jpg: Output in format A6 of the file gem2l0np.pdf, see
gem2l0n1. ps / txt / pdf / jpg

gem2: TUB-test chart gem2; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection C_YP5 according to ISO 9241-306, g_rel=0,775



Figure gem3l0n1.jpg: Output in format A6 of the file gem3l0np.pdf, see
gem3l0n1. ps / txt / pdf / jpg

gem3: TUB-test chart gem3; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection C_YP0 according to ISO 9241-306, g_rel=0,475



Figure gem4l0n1.jpg: Output in format A6 of the file gem4l0np.pdf, see
gem4l0n1. ps / txt / pdf / jpg

gem4: TUB-test chart gem4; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection C_YP15 according to ISO 9241-306, g_rel=2,105



Figure gem5l0n1.jpg: Output in format A6 of the file gem5l0np.pdf, see
gem5l0n1. ps / txt / pdf / jpg

gem5: TUB-test chart gem5; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection according to ISO 9241-306, g_rel=2,000



Figure gem6l0n1.jpg: Output in format A6 of the file gem6l0np.pdf, see
gem6l0n1. ps / txt / pdf / jpg

gem6: TUB-test chart gem6; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection according to ISO 9241-306, g_rel=0,500



Figure gem7l0n1.jpg: Output in format A6 of the file gem7l0np.pdf, see
gem7l0n1. ps / txt / pdf / jpg

gem7: TUB-test chart gem7; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection according to ISO 9241-306, g_rel=1,500



Figure gem8l0n1.jpg: Output in format A6 of the file gem8l0np.pdf, see
gem8l0n1. ps / txt / pdf / jpg

gem8: TUB-test chart gem8; 5 steps W-P2, 9 steps N-W, with image
complete the series W-P2 on HDR displays with Photoshop,
display reflection according to ISO 9241-306, g_rel=0,667



Figure gem9l0n1.jpg: Output in format A6 of the file gem9l0np.pdf, see
gem9l0n1. ps / txt / pdf / jpg

gem9: TUB-test chart gem9; 5 steps W-P2, 9 steps N-W, with image
complete the image P2-W on HDR displays with Photoshop,
optimization for 0,5 < g_rel < 2,1, reference g_rel=0,775

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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.