@article{variational3dpivwithsparsedescriptors,
  title = {Variational 3D-PIV with Sparse Descriptors},
  author = {Katrin Lasinger and Christoph Vogel and Thomas Pock and Konrad Schindler},
  year = {2018},
  eprint = {1804.02872},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.02872v1},
}