@article{decompositionofopticalflowonthesphere,
  title = {Decomposition of Optical Flow on the Sphere},
  author = {Clemens Kirisits and Lukas F. Lang and Otmar Scherzer},
  year = {2013},
  eprint = {1312.4354},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1312.4354v2},
}