@inproceedings{ijcai1973p68,
  title     = {Finding Picture Edges through Collinearity of Feature Points},
  author    = {O'Gorman, Frank and Clowes, M. B.},
  booktitle = {Proceedings of the Third International Joint Conference on
               Artificial Intelligence, {IJCAI-73}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Nils J. Nilsson},
  pages     = {543--554},
  year      = {1973},
  month     = {8},
  note      = {Computer Vision},
  url       = {https://ijcai.org/proceedings/1973/68},
}