@article{externalpatchbasedimagerestorationusing,
  title = {External Patch-Based Image Restoration Using Importance Sampling},
  author = {Milad Niknejad and Jose M. Bioucas-Dias and Mario A. T. Figueiredo},
  year = {2018},
  eprint = {1807.03018},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1807.03018v1},
}