Fast, Arbitrary BRDF Shading

for Low-Frequency Lighting Using Spherical Harmonics

 

Fig4Grove

Fig4MorningB

Fig4StPt

Fig4Ufi

Brushed metal head in various lighting environments.

 

 

 

 

Fig3NoShadow

Fig3Shad

Fig2AnisoB

varying exponent

varying anisotropy

Spatially-varying BRDFs.

 

 

 

 

unshadowed

shadowed

 

Combining with precomputed transfer.

 

Fig6Glossy

Fig6AnisoA

Fig6AnisoB

isotropic

anisotropic

anis., different brush dir.

Generalizing precomputed transfer to anisotropic BRDF models.

 

Fig7TweetASA

Fig7TweetPoulinA

Fig7TweetVinyl

Fig7TweetAllum

Fig7TeapotASA

Fig7TeapotPoulinA

Fig7TeapotVinyl

Fig7TeapotAllum

Fig7TyraASA

Fig7TyraPoulinA

Fig7TyraVinyl

Fig7TyraAllum

(a) AS (analytic)

(b) PF (analytic)

(c) vinyl (measured)

(d) alum. foil (measured)

Comparison of BRDF models applied to various geometric models and lighting environments.