@inproceedings{learningbysynthesisforappearancebased3d,
  title = {Learning-by-Synthesis for Appearance-based 3D Gaze Estimation},
  author = {Yusuke Sugano and Yasuyuki Matsushita and Yoichi Sato},
  year = {2014},
  booktitle = {CVPR 2014 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2014/html/Sugano_Learning-by-Synthesis_for_Appearance-based_2014_CVPR_paper.html},
}