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Survey: Marschner, et al. (2003), Light scattering from human hair fibers (The Marschner Model)

A survey of Marschner (2003), a.k.a. the original paper for the Marschner Model

An intuitive explanation for the "Russian Roulette" sampling technique in ray tracing

The "Russian Roulette" sampling technique (which is creepily named, but is known officially as so) is a sampling technique used in ray tracing to reduce the number of samples for evaluating some value, while maintaining the convergence. It…