@inproceedings{cvpr-07-david-gallup,
  author    = {D. Gallup and J.-M. Frahm and P. Mordohai and Q. Yang and M. Pollefeys},
  title     = {Real-Time Plane-Sweeping Stereo with Multiple Sweeping Directions.},
  booktitle = {CVPR},
  year      = {2007},
  pdf       = {http://vision.ai.uiuc.edu/%7Eqyang6/publications/cvpr-07-Gallup.pdf}
  bibsource = {http://vision.ai.uiuc.edu/~qyang6/publications/cvpr-07-david-gallup.txt}
  publisher = {IEEE Computer Society},
  address   = {Minneapolis, MN, USA},
}