@article{bauszat2015gree,
  title = {General and Robust Error Estimation and Reconstruction for Monte Carlo Rendering},
  author = {Bauszat, Pablo and Eisemann, Martin and Eisemann, Elmar and Magnor, Marcus},
  journal = {Computer Graphics Forum (Proc. of Eurographics {EG})},
  volume = {34},
  number = {2},
  note = {Eurographics 2015 paper},
  pages = {597--608},
  month = {May},
  year = {2015}
}