@article{multigridbackprojectionsuperresolutionan,
  title = {Multigrid Backprojection Super-Resolution and Deep Filter Visualization},
  author = {Pablo Navarrete Michelini and Hanwen Liu and Dan Zhu},
  year = {2018},
  eprint = {1809.09326},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1809.09326v3},
}