Stochastic Sampling ; Monte Carlo Integration ; Fourier Analysis ; Spherical Harmonics ; Global Illumination

Variance Analysis for Monte Carlo Integration
Adrien Pilleboue, Gurprit Singh, David Coeurjolly, Michael Kazhdan, Victor Ostromoukhov
ACM Transactions on Graphics (Proceedings of SIGGRAPH), August, 2015
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Variance Analysis for Monte Carlo Integration