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Título: | Goniochromatic assessment of gray scales for color change |
Autor: | Ferrero, Alejandro CSIC ORCID; Bernad, Berta CSIC; Campos Acosta, Joaquín CSIC ORCID CVN ; Richard, N.; Fernández-Maloigne, C.; Melgosa, Manuel | Fecha de publicación: | 22-jul-2020 | Editor: | Optical Society of America | Citación: | Journal of the Optical Society of America B: Optical Physics 37: 1266-1275 (2020) | Resumen: | The dependence of color differences on the illumination and viewing directions for two widely used gray scales for color change (SDCE and AATCC) was evaluated through measuring the spectral bidirectional reflectance distribution function (BRDF) by a gonio-spectrophotometer of metrological quality. Large incidence and viewing angles must be specially avoided using these gray scales because, in these conditions, color differences vary considerably from those established in ISO 105-A02 and ASTMD2616-12. While the visual appearance of the SDCE and AATCC gray scales for color change is similar, our results indicate that their goniochromatic properties are different. Finally, some recommendations regarding observation distance and illumination angle are given to correctly use these gray scales for visual experiments. | Descripción: | 10 pags., 9 figs., 3 tabs., 1 app. | Versión del editor: | http://dx.doi.org/10.1364/JOSAA.394170 | URI: | http://hdl.handle.net/10261/227640 | DOI: | 10.1364/JOSAA.394170 | Identificadores: | doi: 10.1364/JOSAA.394170 issn: 1520-8540 |
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Goniochromatic assessment.pdf | 1,02 MB | Adobe PDF | Visualizar/Abrir |
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