@article{optimaltranslationalrotationalinvariant,
  title = {Optimal translational-rotational invariant dictionaries for images},
  author = {Davide Barbieri and Carlos Cabrelli and Eugenio Hernández and Ursula Molter},
  year = {2019},
  eprint = {1909.01887},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.01887v1},
}