User:Hopechen
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Currently a PhD student in astronomy & astrophysics, and have been a serious Wikipedia reader but not editor.
Recent Interest
[edit]- Do you know? The “perceived grayscale luminance” (related to, but not exactly, relative luminance) is different from any of the following: the brightness in the definition of the HSB color space, the lightness in the definition of the HSL color space, or the intensity in the definition of the HSI color space. Allegedly, the “perceived grayscale luminance” can be calculated by the following equation[1]No color maps registered in
matplotlibby default has a constant “perceived grayscale luminance.”[2]
Notes
[edit]- ↑ Finley, Darel (2006). HSP Color Model — Alternative to HSV (HSB) and HSL.
- ↑ Vanderplas, Jake (2014-10-16). How Bad Is Your Colormap?.
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