@article {IOPORT.50171828,
    author       = {Dor\'e, Vincent and Cheriet, Mohamed},
    title        = {Robust NL-means filter with optimal pixel-wise smoothing parameter for statistical image denoising},
    year         = {2009},
    journal      = {IEEE Transactions on Signal Processing},
    volume       = {57},
    number       = {5},
    pages        = {1703-1716},
    doi          = {10.1109/TSP.2008.2011832},
    identifier   = {50171828},
}