DIN EN ISO 11664-4:2011
比色法.第4部分:CIE 1976 L*a*b*颜色空间(ISO 11664-4-2008).德文版本EN ISO 11664-4-2011

Colorimetry - Part 4: CIE 1976 L*a*b* Colour space (ISO 11664-4:2008); German version EN ISO 11664-4:2011

作废

标准号

DIN EN ISO 11664-4:2011

发布

2011年

发布单位

德国标准化学会

替代标准

DIN EN ISO 11664-4:2012

当前最新

DIN EN ISO 11664-4:2012

 

 

适用范围

This CIE Standard specifies the method of calculating the coordinates of the CIE 1976 Labcolour space including correlates of lightness, chroma and hue. It includes two methods for calculating Euclidean distances in this space to represent the perceived magnitude of colour differences. The Standard is applicable to tristimulus values calculated using colour-matching functions of the CIE 1931 standard colorimetric system or the CIE 1964 standard colorimetric system. The Standard may be used for the specification of colour stimuli perceived as belonging to a reflecting or transmitting object, where a three-dimensional space more uniform than tristimulus space is required. It does not apply to colour stimuli perceived as belonging to an area that appears to be emitting light as a primary light source, or that appears to be specularly reflecting such light. This Standard does apply to self-luminous displays, like cathode ray tubes, if they are being used to simulate reflecting or transmitting objects and if the stimuli are appropriately normalized.

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