CIE standard illuminants

illuminants, CIE standard

The colorimetric illuminants A, B, C and D defined by the CIE in terms of relative spectral energy (power distribution): standard illuminant A representing the full radiator at T = 2854 K; standard illuminant B representing direct sunlight with a correlated colour temperature of T = 4874 K; standard illuminant C representing daylight with a correlated colour temperature of T = 6774 K; standard illuminant D representing daylight with a correlated colour temperature of T = 6504 K (CIE). See chromaticity diagram; Macbeth lamp; white light.

单词	cie standard illuminants
释义	CIE standard illuminants illuminants, CIE standard The colorimetric illuminants A, B, C and D defined by the CIE in terms of relative spectral energy (power distribution): standard illuminant A representing the full radiator at T = 2854 K; standard illuminant B representing direct sunlight with a correlated colour temperature of T = 4874 K; standard illuminant C representing daylight with a correlated colour temperature of T = 6774 K; standard illuminant D representing daylight with a correlated colour temperature of T = 6504 K (CIE). See chromaticity diagram; Macbeth lamp; white light.
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