@article{clusterwiseratiotestsforfastcamera,
  title = {Cluster-Wise Ratio Tests for Fast Camera Localization},
  author = {Raúl Díaz and Charless C. Fowlkes},
  year = {2016},
  eprint = {1612.01689},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.01689v2},
}