@article{deledalle2011nli,
  title={{NL-InSAR: Non-Local Interferogram Estimation}},
  author={Deledalle, C.A. and Denis, L. and Tupin, F.},
  journal={IEEE Transaction on Geoscience and Remote Sensing},
  volume={49},
  number={4},
  pages={1441--1452},
  year={2011}
}