Assessing appearance and emotional attributes of coloured metallic paints / Ming-Jiu Huang in COLORATION TECHNOLOGY, Vol. 134, N° 1 (02/2018)  

[article]  inCOLORATION TECHNOLOGY > Vol. 134, N° 1 (02/2018) . - p. 59-70 Titre : Assessing appearance and emotional attributes of coloured metallic paints Type de document : texte imprimé Auteurs : Ming-Jiu Huang, Auteur ; Hung-Shing Chen, Auteur ; Ronnier Luo, Auteur ; Pei-Li Sun, Auteur Année de publication : 2018 Article en page(s) : p. 59-70 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse sensorielle Peinture métallisée vision des couleurs Index. décimale : 535.6 Couleur Résumé : The objective of this study was to investigate the agreement between multiangle appearance data obtained from multiangle measurements and the rating scores given by observers in terms of sparkle and coarseness. The metallic emotional equation for coloured metallic paints was developed on the basis of two experimental results. Experiment 1 involved measuring metallic paint appearance, and a multiangle spectrophotometer was used for measuring the appearance parameters of metallic coating samples under multiple measuring angles. In Experiment 2, observers were asked to visually assess coloured metallic samples under directional and diffuse light conditions. The observers assessed the test samples, illuminated from the top, from three observation angles. Principal component analysis was performed to analyse the observers’ emotional responses. Finally, the metallic emotional models consisting of the expensiveness model and fashion model were constructed. Note de contenu : - Test samples - Participants and viewing conditions - Experimental workflow - Analysis method and visual assessment DOI : 10.1111/cote.12317 En ligne : http://onlinelibrary.wiley.com/doi/10.1111/cote.12317/epdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30127 [article]

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Effective models for correlating spectral reflectance between spectrophotometers / Yang Xu in COLORATION TECHNOLOGY, Vol. 129, N° 4 (08/2013)  

[article]  inCOLORATION TECHNOLOGY > Vol. 129, N° 4 (08/2013) . - p. 312–321 Titre : Effective models for correlating spectral reflectance between spectrophotometers Type de document : texte imprimé Auteurs : Yang Xu, Auteur ; Ming Ronnier Luo, Auteur ; Pei-Li Sun, Auteur ; Changjun Li, Auteur Année de publication : 2013 Article en page(s) : p. 312–321 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Réflectance Spectrophotomètres Spectroscopie de réflectance Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper describes different models to achieve satisfactory interinstrument agreement between spectrophometers. The models investigated include the Berns and Petersen method, the modified Berns and Petersen method, the Reniff method, the Rich and Martin method and the R-model developed by Chung et al. In the paper, the Reniff method and the R-model were extended, and all the models were then evaluated using sample sets with different substrates. It was found that the extended Reniff method gave the best training performance and the worst testing performance. The Rich and Martin model, the three-term Chung model and the Berns and Petersen models, all with wavelength-dependent coefficients, gave better testing performance. DOI : 10.1111/cote.12046 En ligne : http://onlinelibrary.wiley.com/doi/10.1111/cote.12046/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19045 [article]

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