@inproceedings{brox2004high,
  title={High accuracy optical flow estimation based on a theory for warping},
  author={Brox, Thomas and Bruhn, Andr{\'e}s and Papenberg, Nils and Weickert, Joachim},
  booktitle={European conference on computer vision},
  pages={25--36},
  year={2004},
  organization={Springer}
}