@inproceedings{alexandrov_iros2016,
  title={Calibration and correction of vignetting effects with an application to 3D mapping},
  author={Alexandrov, Sergey V and Prankl, Johann and Zillich, Michael and Vincze, Markus},
  booktitle={Intelligent Robots and Systems (IROS), 2016 IEEE/RSJ International Conference on},
  pages={4217--4223},
  year={2016},
  organization={IEEE}
}