# 17-23-051

CIE standard deviate observer

standard observer whose colour-matching functions deviate from those of the CIE standard colorimetric observer in a defined manner

Note 1 to entry: The defined deviations can be applied to the CIE 1931 standard colorimetric observer or the CIE 1964 standard colorimetric observer.

Note 2 to entry: The use of the CIE standard deviate observer is intended to generate differences that are typical of those that occur when colour matches are made by different real observers whose colour vision is classified as normal.

Note 3 to entry: See also CIE 80 Special Metamerism Index: Change in Observer.

Note 4 to entry: This entry was numbered 17-166 in CIE S 017:2011.

Publication date: 2020-12