Color in data visualization and imaging

Jakob Nikolas Kather, 2015

Jakob Nikolas Kather I Slide 2 I 05/01/2023

Color coding

Jakob Nikolas Kather I Slide 3 I 05/01/2023

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RGB color space

Jakob Nikolas Kather I Slide 6 I 05/01/2023

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Jakob Nikolas Kather I Slide 8 I 05/01/2023

LAB color space

Jakob Nikolas Kather I Slide 9 I 05/01/2023

Analyzing color maps in LAB spacea good colormap should…

1. traverse a long path

2. be continuous (not have corners)

3. have a linearly increasing lightness

4. not contain red and green

Jakob Nikolas Kather I Slide 10 I 05/01/2023

Different color maps

+ continuous+ linear lightness

+ linear lightness+ longer path + longest path

Jakob Nikolas Kather I Slide 11 I 05/01/2023

How to trick reviewers with colorful images

public domain image: https://commons.wikimedia.org/wiki/File:FMRI_scan_during_working_

memory_tasks.jpgJakob Nikolas Kather I Slide 12 I 05/01/2023

fMRI of the default mode network

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Jakob Nikolas Kather I Slide 16 I 05/01/2023

Thank you!