| Titre : |
Development of an image-based gloss measurement instrument |
| Type de document : |
texte imprimé |
| Auteurs : |
Frédéric Bernard Leloup, Auteur ; Jan Audenaert, Auteur ; Peter Hanselaer, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 913-921 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Aspect peau d'orange (peinture)
Brillance (optique) -- Mesure
Imagerie (technique)
|
| Tags : |
Glossomètre 'Mesure de brillance basée sur l'image' 'Brillant spéculaire' contraste' 'Epluchure d'orange' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
This paper reports on the development of a measurement instrument to perform gloss measurements using an image-based detector. The image-based gloss meter was built according to the specifications of the optical layout of a specular gloss meter in a 60° measurement geometry, as described in ASTM D523-14. The photodiode detector was thereby substituted with a CMOS detector. The optical layout of the system was designed and validated by the use of ray tracing software. A series of 16 matte to high-gloss test samples, with nominal gloss values ranging between 3 and 90 gloss units, was used to compare specular gloss measurements obtained with the developed instrument and a commercial specular gloss meter. An average and maximum deviation of only 1.2 and 2.7 gloss units, respectively, was obtained, confirming the suitability of the system to perform standard specular gloss measurements. The potential benefits of the image-based approach were then studied. By way of example, the optical characterization of orange peel and contrast gloss by the use of the system was discussed, corroborating the fact that the proposed instrument offers important opportunities for a more global characterization of the total gloss impression. |
| Note de contenu : |
- INSTRUMENT DESIGN : Geometry - General description
- MEASUREMENTS : Specular gloss - Additional attributes of surface gloss
- ORANGE PEEL
- CONTRAST GLOSS |
| DOI : |
10.1007/s11998-019-00184-8 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00184-8.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32849 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 4 (07/2019) . - p. 913-921
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