@article{makadia07ijcv,
  author    = {Ameesh Makadia and Christopher Geyer and Kostas Daniilidis},
  title     = {Correspondence-free Structure from Motion},
  journal   = {International Journal of Computer Vision},
  volume    = {75},
  number    = {3},
  pages     = {311--327},
  year      = {2007},
}