Visual appearance measurement of surfaces containing pearl flakes
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- Visual appearance measurement of surfaces containing pearl flakes
- Baek, Ye Seul; Kwak, Youngshin; Yang, Seungjoon
- Issue Date
- OPTICAL SOC AMER
- JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, v.32, no.5, pp.934 - 942
- The color, gloss, and texture (i.e., pearliness) of 15 glossy samples containing pearl flakes were investigated. Psychophysical experimental data from 21 observers were compared with measurement data. Color measurement data obtained using the CIE D/0 and ASTM E2539-08 multiangle geometry did not predict the overall color appearance variation of pearly samples. Pearly samples have a lower perceived glossiness than non-pearly surfaces with the same level of gloss treatment, but a much higher measured gloss. Pearliness describes the texture of pearly samples well and can be predicted as a function of the pearl flakes’ average size and area coverage measured from magnified surface images. These results suggest that an image statistics approach is required to properly describe the visual appearance of pearly surfaces.
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