@article {jsijbersajdendekAudekerkemverhoyedvandyck1998, title = {Estimation of the noise in magnitude MR images}, journal = {Magnetic Resonance Imaging}, volume = {16}, number = {1}, year = {1998}, pages = {87-90}, doi = {10.1016/S0730-725X(97)00199-9}, author = {Jan Sijbers and Arnold Jan den Dekker and Johan Van Audekerke and Marleen Verhoye and Dirk Van Dyck} }