3 ms·
If I understand correctly, the CIE graph is just a 2D representation of the human eye spectral sensitivity: https://en.wikipedia.org/wiki/CIE_1931_color_space h
by empiricus 11y ago
If I understand correctly, the CIE graph is just a 2D representation of the human eye spectral sensitivity: https://en.wikipedia.org/wiki/CIE_1931_color_space https://en.wikipedia.org/wiki/CIE_1931_color_space
Basically take the human tristimulus response R, G, B; normalize it; after normalization the 3rd value can be derived from the other 2 (z=1-x-y), and is no longer needed; plot x,y -> the familiar CIE graph.