17-152

CIE 1964 standard colorimetric system [X10, Y10, Z10]

system for determining the tristimulus values of any spectral power distribution using the set of reference colour stimuli [X10], [Y10], [Z10] and the 3 CIE colour-matching functions adopted by the CIE in 1964

NOTE 1 This standard colorimetric system is applicable to centrally-viewed fields of angular subtense greater than about 4° (0,07 rad).

NOTE 2 When this system is used, all symbols that represent colorimetric measures are distinguished by use of the subscript 10.

See also CIE 15 Colorimetry

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