@inproceedings{generalizedpupilcentricimagingand,
  title = {Generalized Pupil-Centric Imaging and Analytical Calibration for a Non-frontal Camera},
  author = {Avinash Kumar and Narendra Ahuja},
  year = {2014},
  booktitle = {CVPR 2014 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2014/html/Kumar_Generalized_Pupil-Centric_Imaging_2014_CVPR_paper.html},
}