@article{lowdosectimagereconstructionwithlearned,
  title = {Low Dose CT Image Reconstruction With Learned Sparsifying Transform},
  author = {Xuehang Zheng and Zening Lu and Saiprasad Ravishankar and Yong Long and Jeffrey A. Fessler},
  year = {2017},
  eprint = {1707.02914},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.02914v1},
}