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Proceedings Paper

Color-quality control using color-difference formulas: progress and problems
Author(s): M. Melgosa; L. Gómez-Robledo; P. A. García; S. Morillas; C. Fernández-Maloigne; N. Richard; M. Huang; C. Li; G. Cui
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Paper Abstract

We report on some recent advances in industrial color-difference evaluation focused in three main fields: Development of reliable experimental visual datasets; proposal of new color spaces and color-difference formulas; tools to evaluate the merits of color-difference formulas. The use of fuzzy techniques to assign consistency degrees to color pairs in combined visual datasets is described. The CIE/ISO joint proposal of the CIEDE2000 color-difference formula as a standard will facilitate the communication among companies and users. The CIE recommendation of the STRESS index to assess observers’ variability and relative merits of different color-difference formulas is reported. Power functions are an efficient method to improve the performance of modern color-difference formulas. We need of advanced color-difference formulas accounting for new materials with different kind of textures and gonioapparent effects.

Paper Details

Date Published: 22 August 2017
PDF: 7 pages
Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 104530U (22 August 2017); doi: 10.1117/12.2271956
Show Author Affiliations
M. Melgosa, Univ. de Granada (Spain)
L. Gómez-Robledo, Univ. de Granada (Spain)
P. A. García, Univ. de Granada (Spain)
S. Morillas, Univ. Politècnica de València (Spain)
C. Fernández-Maloigne, XLIM Lab., CNRS, Univ. de Poitiers (France)
N. Richard, XLIM Lab., CNRS, Univ. de Poitiers (France)
M. Huang, Beijing Institute of Graphic Communication (China)
C. Li, Univ. of Science and Technology Liaoning (China)
G. Cui, Univ. of Wenzhou (China)

Published in SPIE Proceedings Vol. 10453:
Third International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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