@inproceedings{gan-fig-11-aa-beamtrac,
  author = {Ganacim, Francisco and Figueiredo, Luiz Henrique and Nehab, Diego},
  title = {Beam Casting Implicit Surfaces on the {GPU} with Interval Arithmetic}, 
  booktitle = {Proc. 24th Conference on Graphics, Patterns and Images (SIBGRAPI 2011)}, 
  year = 2011,
  volume = {},
  number = {},
  pages = {72-77},
  doi = {10.1109/SIBGRAPI.2011.5},
  ISSN = {2377-5416},
  month = aug,
  comment = {Uses IA only. Should try it with AA.},
  abstract = {We present a GPU-based beam-casting method for rendering implicit surfaces in real time with antialiasing. We use interval arithmetic to model the beams and to detect their intersections with the surface. We show how beams can be used to quickly discard large empty regions in the image, thus leading to a fast adaptive subdivision method.}
}