@article{atwopointmethodforptzcameracalibration,
  title = {A Two-point Method for PTZ Camera Calibration in Sports},
  author = {Jianhui Chen and Fangrui Zhu and James J. Little},
  year = {2018},
  eprint = {1801.09005},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1801.09005v1},
}