Wenzel Jakob, Christian Regg, Wojciech Jarosz. Progressive Expectation-Maximization for Hierarchical Volumetric Photon Mapping. Comput. Graph. Forum, 30(4):1287-1297, 2011. [doi]
@article{JakobRJ11,
title = {Progressive Expectation-Maximization for Hierarchical Volumetric Photon Mapping},
author = {Wenzel Jakob and Christian Regg and Wojciech Jarosz},
year = {2011},
doi = {10.1111/j.1467-8659.2011.01988.x},
url = {http://dx.doi.org/10.1111/j.1467-8659.2011.01988.x},
researchr = {https://researchr.org/publication/JakobRJ11},
cites = {0},
citedby = {0},
journal = {Comput. Graph. Forum},
volume = {30},
number = {4},
pages = {1287-1297},
}