@InProceedings{VaqueroCVPR08,
  author    = {Daniel Vaquero and Rogerio Feris and Matthew Turk and Ramesh Raskar},
  title     = {Characterizing the Shadow Space of Camera-Light Pairs},
  booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR'08)},
  address   = {Anchorage, Alaska},
  month     = {June},
  year      = {2008}
}