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International Commission on Illumination standard observer

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  • International Commission on Illumination — The CIE 1931 color space chromaticity diagram with wavelengths in nanometres. The colors depicted depend on the color space of the device on which the image is viewed. The International Commission on Illumination (usually abbreviated CIE for its… …   Wikipedia

  • Standard illuminant — A standard illuminant is a profile or spectrum of visible light which is published in order to allow images or colors recorded under different lighting to be compared.CIE illuminantsThe International Commission on Illumination (usually… …   Wikipedia

  • Color rendering index — Emitted light spectrum determines the color rendering index of the lamp. Color render …   Wikipedia

  • Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …   Wikipedia

  • CIE 1931 color space — In the study of color perception, one of the first mathematically defined color spaces is the CIE 1931 XYZ color space, created by the International Commission on Illumination (CIE) in 1931.[1][2] The CIE XYZ color space was derived from a series …   Wikipedia

  • CIE 1960 color space — The CIE 1960 color space ( CIE 1960 UCS , variously expanded Uniform Color Space , Uniform Color Scale , Uniform Chromaticity Scale , Uniform Chromaticity Space ) is another name for the (u,v) chromaticity space devised by David MacAdam. [cite… …   Wikipedia

  • Whiteness — In colorimetry, whiteness is the degree to which a surface is white. An example of its use might be to quantitatively compare two pieces of paper which appear white viewed individually, but not when juxtaposed.The International Commission on… …   Wikipedia

  • HSL and HSV — Fig. 1. HSL (a–d) and HSV (e–h). Above (a, e): cut away 3D models of each. Below: two dimensional plots showing two of a model’s three parameters at once, holding the other constant: cylindrical shells (b, f) of constant saturation, in this case… …   Wikipedia

  • Gas-discharge lamp — See also: Gas filled tube Germicidal lamps are simple low pressure mercury vapor discharges in a fused quartz envelope. Gas discharge lamps are a family of artificial light sources that generate light by sending an electrical discharge through an …   Wikipedia

  • CIELUV color space — In colorimetry, the CIE 1976 ( L* , u* , v* ) color space, also known as the CIELUV color space, is a color space adopted by the International Commission on Illumination (CIE) in 1976, as a simple to compute transformation of the 1931 CIE XYZ… …   Wikipedia

  • Color model — A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the… …   Wikipedia

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