@article{unsupervisedsparseviewbackprojectionvia,
  title = {Unsupervised Sparse-view Backprojection via Convolutional and Spatial Transformer Networks},
  author = {Xueqing Liu and Paul Sajda},
  year = {2020},
  eprint = {2006.01658},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.01658v1},
}