@article{fristflippingandrotationinvariant,
  title = {FRIST - Flipping and Rotation Invariant Sparsifying Transform Learning and Applications},
  author = {Bihan Wen and Saiprasad Ravishankar and Yoram Bresler},
  year = {2015},
  eprint = {1511.06359},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1511.06359v4},
}