Colour management in digital textile printing / Dejana Javorsek in COLORATION TECHNOLOGY, Vol. 127, N° 4 (2011)

[article]  inCOLORATION TECHNOLOGY > Vol. 127, N° 4 (2011) . - p. 235--239 Titre : Colour management in digital textile printing Type de document : texte imprimé Auteurs : Dejana Javorsek, Auteur ; Andrej Javorsek, Auteur Année de publication : 2011 Article en page(s) : p. 235--239 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie Impression au laser Impression jet d'encre Impression numérique Impression sur étoffes Simulation, Méthode de Index. décimale : 667.3 Teinture et impression des tissus Résumé : On the basis of simulated prints, a customer can decide on the colour appropriateness for a selected pattern. This article presents the possibilities and correct procedure for colour management application in the field of digital printing onto a textile substrate. The aim of the research was to establish whether long-term and expensive pre- and after-treatments can be avoided with the help of an appropriate development of printer profiles. The latter would be conducted through a print simulation on paper printed with a Canon laser or ink-jet printer. The results have confirmed that a print simulation on paper can be conducted with both printers, while a Canon ink-jet printer offers better results. In addition, by calculating the colour inconstancy index CMCCON02, the illuminant influence on the colour change of substrates under five different illuminations was determined. The results showed that simulated colours should be compared with original colours under daylight illuminants (D50, D55 and D75), while indoor illuminants A and F2 are not appropriate for a comparison, especially in the case of simulation with a Canon ink-jet printer (CMCCON02 index >5). Note de contenu : EXPERIMENTAL : Material - Pretreatment of textile fabric - Linearisation and characterisation of printer devices - Colour samples - Printing process performed on the Mimaki ink-jet printer - Simulation of prints - Colour measurements - Calculation of the colour inconstancy index CMCCON02. RESULTS AND DISCUSSION : Colour inconstancy index - Simulation of prints. DOI : 10.1111/j.1478-4408.2011.00304.x Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11903 [article]

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Comparison of chromatic adaptation transforms used in textile printing sample preparation / Dejana Dordevic in COLORATION TECHNOLOGY, Vol. 126, N° 5 (2011)  

[article]  inCOLORATION TECHNOLOGY > Vol. 126, N° 5 (2011) . - p. 275-281 Titre : Comparison of chromatic adaptation transforms used in textile printing sample preparation Type de document : texte imprimé Auteurs : Dejana Dordevic, Auteur ; Andrej Javorsek, Auteur ; AleÅ¡ Hladnik, Auteur Année de publication : 2011 Article en page(s) : p. 275-281 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse spectrale Colorants Impression numérique Impression sur étoffes Textiles et tissus imprimés vision des couleurs Index. décimale : 667.3 Teinture et impression des tissus Résumé : As image-capturing devices, such as scanners or digital cameras, normally describe data in RGB colour space, it is impossible to get a complete raw spectral description of a sample’s colour. Device characterisation enables conversion of RGB values to corresponding XYZ tristimulus values of a sample. For transformation of tristimulus values from one illuminant to another, chromatic adaptation transforms should be used. Within our research, chromatic adaptation transforms were implemented in the field of digital textile printing of textile substrate with reactive dyes. Five chromatic adaptation transforms were investigated and their performance was assessed with cluster analysis. Results showed that the lowest mean colour differences were generated with the D50-D65 illuminant pair, followed by D50-A and D65-A. The same performance ranking of different chromatic adaptation transforms was obtained for both D50-A and D65-A illuminant pairs. The Bradford method showed the best results irrespective of the examined illuminant pair combination. DOI : 10.1111/j.1478-4408.2010.00258.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2010.00258.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10891 [article]

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