%0 Journal Article %A Huaibin Wang %A Yuanquan Wang %A Wenqi Ren %T Image Denoising Using Anisotropic Second and Fourth Order Diffusions Based on Gradient Vector Convolution %J Computer Science and Information Systems %D 2012 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2012_9_4_a7/ %F CSIS_2012_9_4_a7