@article{asimplifiedactivecalibrationalgorithmfor,
  title = {A Simplified Active Calibration algorithm for Focal Length Estimation},
  author = {Mehdi Faraji and Anup Basu},
  year = {2018},
  eprint = {1806.03584},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1806.03584v1},
}