@inproceedings{realtimejointestimationofcamera,
  title = {Real-Time Joint Estimation of Camera Orientation and Vanishing Points},
  author = {Jeong-Kyun Lee and Kuk-Jin Yoon},
  year = {2015},
  booktitle = {CVPR 2015 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2015/html/Lee_Real-Time_Joint_Estimation_2015_CVPR_paper.html},
}