Tristimulus calculation (X, Y, Z)
Color and visual appearance. Transparent, translucent, opaque

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Tristimulus calculation (X, Y, Z)
Color and visual appearance. Transparent, translucent, opaque

Author : Patrick CALLET

Review date: September 21, 2021 | Lire en français

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2. Tristimulus calculation (X, Y, Z)

This notion of tristimulus, which took a long time to acquire, if not to admit, plays a key role in quantifying the perceptual attributes of light sources or surfaces.

2.1 Colorimetric integral and tristimulus

The CIEXYZ virtual color space can be used to calculate all photometric quantities. The definition of tristimulus is given below:

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