Bidirectional Importance Sampling for Unstructured Direct Illumination

@article{Wang2009BidirectionalIS,
  title={Bidirectional Importance Sampling for Unstructured Direct Illumination},
  author={Rui Wang and Oskar {\AA}kerlund},
  journal={Comput. Graph. Forum},
  year={2009},
  volume={28},
  pages={269-278}
}
Recent research in bidirectional importance sampling has focused primarily on structured illumination sources such as distant environment maps, while unstructured illumination has received little attention. In this paper, we present a method for bidirectional importance sampling of unstructured illumination, allowing us to use the same method for sampling… CONTINUE READING