Curvature-based shading of translucent materials, such as human skin.

Konstantin Kolchin Curvature-based shading of translucent materials, such as human skin. 239-242 2007 GRAPHITE http://doi.acm.org/10.1145/1321261.1321304 conf/graphite/2007 db/conf/graphite/graphite2007.html#Kolchin07