28 January 2008 Surface reflection properties of oil paints under various conditions
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Abstract
This paper describes a method for measurement and analysis of surface reflection properties of oil paints under a variety of conditions. First, the radiance factor of a painting surface is measured at different incidence and viewing angles by using a gonio-spectro photometer. The samples are made from different oil paint materials on supporting boards with different paint thicknesses. Next, typical reflection models are examined for describing 3D reflection of the oil painting surfaces. The models are fitted to the observed radiance factors from the oil paint samples. The Cook- Torrance model describes well the reflection properties. The model parameters are estimated from the least-squared fitting to the genio-photometric measurements. Third, the reflection properties are analyzed on the basis of several material conditions such as pigment, supporting material, oil quantity, paint thickness, and support color.
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Shoji Tominaga, Shogo Nishi, "Surface reflection properties of oil paints under various conditions", Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 68070M (28 January 2008); doi: 10.1117/12.766188; https://doi.org/10.1117/12.766188
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