@inproceedings{copulaordinalregressionforjoint,
  title = {Copula Ordinal Regression for Joint Estimation of Facial Action Unit Intensity},
  author = {Robert Walecki and Ognjen Rudovic and Vladimir Pavlovic and Maja Pantic},
  year = {2016},
  booktitle = {CVPR 2016 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2016/html/Walecki_Copula_Ordinal_Regression_CVPR_2016_paper.html},
}