Optical Characterization of the Psychophysical Surface Gloss Space in the Presence of Surface Haze
Optics continuum(2023)
摘要
An unanimous framework for surface gloss perception does not exist yet, although an orthogonal two-dimensional gloss space (distinctness-of-image and contrast gloss) has already been proposed. Haze, a rarely studied attribute of glossiness, is considered in this study and introduced into this existing space. A set of samples with surface haziness is psychophysically and optically characterized. The perceived glossiness correlates with the visual dimension of contrast gloss, and with metrics based on “contrast” - between the specular highlight and sample background – obtained from measurements with different optical instruments. The suitability and advantages of the image-based gloss meter (iGM), introduced earlier by the authors [J Coat Technol Res. 19, 1567 (2022)10.1007/s11998-022-00630-0OCPOBG2770-0208], are thereby illustrated in comparison to the conventional gloss meter standards.
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