Measuring an appearance property of a surface using a bidirectional reflectance distribution function
作者： Brett Allen Pawlanta , Patrick S. Rood , Brian Dale Teunis , Thomas M. Richardson , Jon Kenneth Nisper
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摘要: An apparatus for measuring a spatially under-sampled Bidirectional Reflectance Distribution Function (BRDF) of surface. The may comprise first light source directed to illuminate the surface from illumination direction, and plurality sensors positioned receive reflected by first, second third in non-coplanar directions. In various embodiments, also computer communication with sensors. is configured convert sensed into appearance property considering second, reflectance
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