@inproceedings{kroes2020visibility,
  title = {Visibility sweeps for joint-hierarchical importance sampling of direct lighting for stochastic volume rendering},
  author = {Kroes, Thomas and Eisemann, Martin and Eisemann, Elmar},
  booktitle = {Proc. Graphics Interface ({GI})},
  doi = {10.5555/2788890.2788909},
  note = {Received the Best Student Paper Award at Graphics Interface 2015},
  pages = {97--104},
  month = {Jun},
  year = {2015}
}