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Generation of virtual illuminants for a balanced colorimetric match / Farnaz Agahian in COLORATION TECHNOLOGY, Vol. 125, N° 1 (2009)
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Titre : Generation of virtual illuminants for a balanced colorimetric match Type de document : texte imprimé Auteurs : Farnaz Agahian, Auteur ; Seyed Hossein Amirshahi, Auteur Année de publication : 2009 Article en page(s) : p. 14-21 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Colorimetric matching is employed under a series of virtual illuminants to produce more controllable and equalised colour-difference results under multiple illuminants. A method based on weighted principal component analysis of different artificial lights and the weighted mean is used to create a series of virtual illuminants. The weights were selected in a manner to create the virtual illuminants that benefit from the impact of a given illuminant, while the effects of other light sources on the formation of desired illuminants were also considered. The generated virtual illuminants were implemented in a colorimetric colour-matching trial. Using this method, by choosing suitable weights for different lighting conditions, more balanced colour-difference values were presented in the data set than was expected. The advantages of the suggested method were evaluated by the matching of a collection of 135 woollen samples under different virtual illuminants. DOI : 10.1111/j.1478-4408.2008.00170.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00170.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4820
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