@article{euclideanupgradefromaminimalnumberof,
  title = {Euclidean Upgrade from a Minimal Number of Segments},
  author = {Tanja Schilling and Tomas Pajdla},
  year = {2013},
  eprint = {1304.6990},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.6990v1},
}