Standard illuminant

Relative spectral power distributions (SPDs) of CIE illuminants A, B, and C from 380nm to 780nm.

Characteristic vectors of illuminant D; component SPDs S0 (blue), S1 (green), S2 (red).

A standard illuminant is a theoretical source of visible light with a profile (its spectral power distribution) which is published. Standard illuminants provide a basis for comparing images or colors recorded under different lighting.

单词	Standard illuminant
释义	Standard illuminant 英语百科 Standard illuminant A standard illuminant is a theoretical source of visible light with a profile (its spectral power distribution) which is published. Standard illuminants provide a basis for comparing images or colors recorded under different lighting.
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