BSSRDF

1
BSSRDF

• BSSRDF
• Bidirectional surface scattering reflectance
  distribution function
• Radiance theory
• BRDF

2
Subsurface scattering

• Lighting approximations based on only surface
  reflection fails for
• Translucent materials
• Marble, cloth, paper, skin, milk, cheese, bread,
  meat, fruits, plants, fish, water, snow, etc.
• Heck, darn near everything

3
What is subsurface transport?
Skin
Flesh
Bone
4
Radiance Theory

• Outgoing radiance equation

BSSRDF
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