A Riemannian approach to anisotropic filtering of tensor fields.

Carlos A. Castaño-Moraga Christophe Lenglet Rachid Deriche Juan Ruiz-Alzola A Riemannian approach to anisotropic filtering of tensor fields. 263-276 2007 87 Signal Processing 2 http://dx.doi.org/10.1016/j.sigpro.2006.02.049 db/journals/sigpro/sigpro87.html#Castano-MoragaLDR07