Fast, Arbitrary BRDF Shading
for Low-Frequency Lighting Using Spherical Harmonics
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Brushed metal head in various lighting environments. |
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varying exponent |
varying anisotropy |
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Spatially-varying BRDFs. |
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unshadowed |
shadowed |
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Combining with precomputed transfer. |
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isotropic |
anisotropic |
anis., different brush dir. |
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Generalizing precomputed transfer to anisotropic BRDF models. |
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(a) AS (analytic) |
(b) PF (analytic) |
(c) vinyl (measured) |
(d) alum. foil (measured) |
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Comparison of BRDF models applied to various geometric models and lighting environments. |
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