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About This Item
Full Description
Colour-difference evaluation models have been, and continue to be, developed. The CIE, through its technical committees, has periodically established recommended practices for colour-difference evaluation to promote uniformity of industrial practice. The last CIE recommendation on this subject was made in 1978. Accumulated research since then indicates it is now possible to identify a model with improved agreement with visual colour-difference judgements.
Recommended practice for industrial colour-difference evaluation is presented. The recommended model is an extension of the CIE 1976 (L*a*b*) colour-difference model with correction for chroma-dependent variation in colour-difference perception. Reference conditions define material and viewing environment characteristics to which the colour-difference model applies. Factors are introduced to correct for the parametric effects of various conditions of use. Guidelines for further research on colour-difference perception are given.
This Technical Report is written in English, with a short summary in French and German, and contains 20 pages.