@article{Clarberg2005, author = {Petrik Clarberg and Wojciech Jarosz and Tomas Akenine-M\"oller and Henrik Wann Jensen}, title = "{Wavelet Importance Sampling: Efficiently Evaluating Products of Complex Functions}", journal = {ACM Transactions on Graphics (Proceedings of SIGGRAPH)}, volume = {24}, number = {3}, year = {2005}, pages = {1166--1175}, publisher = {ACM}, }