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Standard

ISO/CIE 11664-1:2019

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Note: This standard has a new edition: ISO/CIE 11664-1:2019

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Abstract

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.

Document information

  • Standard from ISO/CIE
  • Published:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher ISO/CIE
  • Distributor ISO/CIE
  • ICS 17.180.20
  • ISO TC CIE

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