Hardware accelerated ambient occlusion techniques on GPUs

@inproceedings{shanmugam2007hardware,
  title={Hardware accelerated ambient occlusion techniques on GPUs},
  author={Shanmugam, Perumaal and Arikan, Okan},
  booktitle={Proceedings of the 2007 symposium on Interactive 3D graphics and games},
  pages={73--80},
  year={2007}
}