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Search Home >> British Standards >> BS EN ISO 11664-4-2011 colorimetry - part 4: cie 1976 l*a*b* colour space (iso 11664-4:2008)

BS EN ISO 11664-4-2011 colorimetry - part 4: cie 1976 l*a*b* colour space (iso 11664-4:2008)

Standard Number:  BS EN ISO 11664-4-2011
Title:  colorimetry - part 4: cie 1976 l*a*b* colour space (iso 11664-4:2008)
Language:  English
Replaced by Standard:  BS EN ISO/CIE 11664-4-2019

Publication Date:  2011/6/30
Execute Date:  2011/6/30
Adopted International Standard:  CIE 17.4:1987, CIE S 014-1:2006, ISO 11664-1:2007, CIE S 014-2:2006, ISO 11664-2:2007, CIE 116:1995, CIE 142:2001, CIE 15:2004
Status:  Current
CCS Classification for Standardscomprehensive>>Basic subjects>>Physics and mechanics
Publisher:  British Standards
Price:  
Number of Pages:22  

Preface:Colorimetry, Colorimetric characteristics, Colour, Coordinates (mathematics), Optical properties of materials, Mathematical calculations  
Description:This CIE Standard specifies the method of calculating the coordinates of the CIE 1976 L*a*b* colour 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.  
Cross References:CIE 17.4-1987, CIE S 014-1-2006, ISO 11664-1-2007, CIE S 014-2-2006, ISO 11664-2-2007, CIE 116-1995, CIE 142-2001, CIE 15-2004  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  753KB
Tile in English:  colorimetry - part 4: cie 1976 l*a*b* colour space (iso 11664-4:2008)

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