Use of a predictive colour model for managing the colour appearance of two-colour woven fabrics / Krste Dimitrovski in COLORATION TECHNOLOGY, Vol. 136, N° 3 (06/2020)  

[article]  inCOLORATION TECHNOLOGY > Vol. 136, N° 3 (06/2020) . - p. 270-287 Titre : Use of a predictive colour model for managing the colour appearance of two-colour woven fabrics Type de document : texte imprimé Auteurs : Krste Dimitrovski, Auteur ; Andreja Grmek, Auteur ; Helena Gabrijelcic Tomc, Auteur Année de publication : 2020 Article en page(s) : p. 270-287 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie Couleur Prévision, Théorie de la Spectrophotométrie Textiles et tissus Tissés bicolores vision des couleurs Index. décimale : 667.3 Teinture et impression des tissus Résumé : The aim of this study was to implement a two-dimensional colour appearance model for prediction of the colour values of weft threads when the optical mixing of a two-colour woven structure had to match the colour appearance of a single-colour reference woven fabric. Five single-colour woven fabrics were woven from five threads of similar hue. One of the samples was chosen as a reference, for which the colour appearance was the goal to be achieved in the two-colour woven fabrics prepared with the other available warp threads and newly dyed weft threads. The colour values of dyed weft threads were predicted by a two-dimensional colour appearance model. With dyed weft threads, managing the colour appearance of the two-colour woven fabric was enabled to achieve the colour values of the reference. In the results, colour deviations between the predicted and measured colour values of weft threads revealed some limitations to the colour appearance model and performance of the dyeing process. After the production of the two-colour woven fabric, the colour appearance matched the appearance of the reference, resulting in deviations of ΔE CMC(2:1) = 1.2-7.8. Moreover, the differences between theoretically predicted and measured colour values of the two-colour woven fabric were evaluated as small, ranging from ΔE CMC(2:1) = 1.5-1.9. The results demonstrated the efficiency of implementing the colour appearance model and the dyeing process of weft threads as an approach to achieve the defined colour appearance of two-colour woven fabrics, which with small colour deviations matches the colour of a single-colour reference. Note de contenu : - INTRODUCTION : Colour appearance, combination of differently coloured threads and colour contrast - Theoretical predictions of colour appearance of multicoloured woven structures - EXPERIMENTAL : Constructional properties of threads and colorimetric measurements - Analysis of two-colour woven fabrics - Dyeing of weft threads with predicted colour values and spectrophotometric measuring of dyed weft threads - RESULTS AND DISCUSSION : Comparison between the predicted and measured colour appearance of dyed weft threads - Measuring CIELab values and evaluating theoretical colour predictions of two-colour woven fabrics DOI : https://doi.org/10.1111/cote.12458 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12458 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34300 [article]

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