CIE DS 014-6/E:2012
- Colorimetry - Part 6: CIEDE2000 Colour-Difference Formula
- standard by Commission Internationale de L'Eclairage, 04/30
- Category: CIE
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The formula is an extension of the CIE 1976 L∗a∗b∗ colour-difference formula (ISO 11664-4:2008(E)/CIE S 014-4/E:2007) with corrections for variation in colour-difference perception dependent on lightness, chroma, hue and chroma-hue interaction. Reference conditions define material and viewing environment characteristics to which the formula applies.
The Draft Standard is applicable to input values of CIELAB L∗ , a∗ , b∗ coordinates calculated according to ISO 11664-4:2008(E)/CIE S 014-4/E:2007. The Draft Standard may be used for the specification of the colour difference between two colour stimuli perceived as belonging to reflecting or transmitting objects. This includes displays, if they are being used to simulate reflecting or transmitting objects and if the tristimulus values representing the stimuli are appropriately normalized. The Draft Standard does not apply to colour stimuli perceived as belonging to areas that appear to be emitting light as primary light sources, or that appear to be specularly reflecting such light.
The Draft Standard has been sent to CIE National Committees for comments and sales to interested parties. It is still subject to changes and may not yet be referred to as a CIE Standard. When approved by the CIE NCs, it will be published as a CIE Standard and later on as a joint ISO/CIE Standard.
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