@ARTICLE {29999,
author={M. Niknejad and J. Bioucas-Dias and M. A. T. Figueiredo},
doi={10.1109/TIP.2019.2912122},
journal={IEEE Transactions on Image Processing},
title={External Patch-Based Image Restoration Using Importance Sampling},
year={2019},
month={September},
volume={28},
number={9},
pages={4460-4470},
ISSN={1057-7149}
}