Colorant formulation based on new two-constant theory / Guoxing He in COLORATION TECHNOLOGY, Vol. 123, N° 4 (2007)  

[article]  inCOLORATION TECHNOLOGY > Vol. 123, N° 4 (2007) . - p. 217-223 Titre : Colorant formulation based on new two-constant theory Type de document : texte imprimé Auteurs : Guoxing He, Auteur ; Mingxun Zhou, Auteur Année de publication : 2007 Article en page(s) : p. 217-223 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A new two-constant theory for colour matching has been developed based on the Kubelka–Munk theory. Colorant formulations and algorithms for matching tristimulus, K/S and reflectance values of a standard are presented based on the new theory. The algorithms are suitable for a single-constant theory as well as a two-constant theory. The experimental data show that the recipes predicted by the new two-constant theory are closer to the actual recipes of the standard sample than the recipes predicted by the single-constant theory, and also show smaller colour difference values for some disperse dyes. The results show that the scattering of some disperse dyes cannot be negligible, and that the recipes that match to textiles coloured by these disperse dyes should be predicted using the new two-constant theory. DOI : 10.1111/j.1478-4408.2007.00086.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2007.00086.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3521 [article]

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Recipe formulation based on spectral visual response fitting / Guoxing He in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 178-183 Titre : Recipe formulation based on spectral visual response fitting Type de document : texte imprimé Auteurs : Guoxing He, Auteur ; Mingxun Zhou, Auteur Année de publication : 2009 Article en page(s) : p. 178-183 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Based on the idea of the spectral visual response fitting, the visual difference between the spectral reflectance factor function of the standard and specimen was proposed in this paper. Basic equations used in the recipe formulation as well as recipe correction were derived based on the spectral visual response fitting in matrix form and an algorithm for the least-squares match has been developed. The iterative procedure for the recipe correction has been established in this algorithm. Twenty standards were used in our numerical experiments. The experimental results showed that the average colour difference against for the standards under the five different illuminants (D65, A, F1, F2 and F3) was smaller than one based on other spectrophotometric fittings, balanced the colour differences better and produced lower metamerism. DOI : 10.1111/j.1478-4408.2009.00193.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00193.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5922 [article]

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