ISO/CIE 11664-1:2019 PDF
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Colorimetry — Part 1: CIE standard colorimetric observers
This document specifies colour-matching functions for use in colorimetry. Two sets of colour-matching functions are specified.
— Colour-matching functions for the CIE 1931 standard colorimetric observer.
This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense from about 1° to about 4°, for vision at photopic levels of adaptation.
— Colour-matching functions for the CIE 1964 standard colorimetric observer.
This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense greater than about 4°, for vision at sufficiently high photopic levels and with spectral power distributions such that no participation of the rod receptors of the retina is to be expected.
| Edition | 2019 |
|---|---|
| Standard Part No | 1 |
| Published Date | 2019 |
| Published By | ISO/CIE |
| Page Count | 34 |
