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CIE 230:2019

Validity of Formulae for Predicting Small Colour Differences
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This Technical Report has been prepared by CIE Technical Committee 1-81 of Division 1 Vision and Colour?. It reports on the performance of colour-difference formulae based on the results of experiments to evaluate colour differences visually. The report addresses small colour differences of adjacent colours. Visual responses are compared with calculated colour differences using five colour-difference formulae: CIELAB, CMC, LABJND, CIE94, and CIEDE2000. A power-function (PF) correction is also included. Using the STRESS index, the performances of the colour-difference formulae are tested without and with the PF correction.-\n--\n-In addition to the COM dataset used for the development of CIEDE2000, nine new datasets (with particular emphasis on colour differences below 2 CIELAB units) are included in this study. The datasets can be downloaded from the CIE server. Keywords: perception of colour, colour of objects, colour vision, colorimetry, colour appearance, colour difference
SDO CIE: International Commission on Illumination
Document Number 230
Publication Date Jan. 1, 2019
Language en - English
Page Count 33
Revision Level
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Committee
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