@article{Herholz:2019:VPG:3322934.3230635,
 author = {Herholz, Sebastian and Zhao, Yangyang and Elek, Oskar and Nowrouzezahrai, Derek and Lensch, Hendrik P. A. and K\v{r}iv\'{a}nek, Jaroslav},
 title = {Volume Path Guiding Based on Zero-Variance Random Walk Theory},
 journal = {ACM Trans. Graph.},
 issue_date = {June 2019},
 volume = {38},
 number = {3},
 month = jun,
 year = {2019},
 issn = {0730-0301},
 pages = {25:1--25:19},
 articleno = {25},
 numpages = {19},
 url = {http://doi.acm.org/10.1145/3230635},
 doi = {10.1145/3230635},
 acmid = {3230635},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {Monte Carlo, importance sampling, participating media rendering, path guiding, volume light transport, zero variance path sampling theory},
}