@article{iterativealphaexpansionforestimating,
  title = {Iterative Alpha Expansion for estimating gradient-sparse signals from linear measurements},
  author = {Sheng Xu and Zhou Fan},
  year = {2019},
  eprint = {1905.06097},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1905.06097v1},
}