The Haar transform can be expressed in the matrix form as T = HIHT (inverse transform HTTH) where I is an NxN image matrix, H is an NxN transformation matrix and T is the resulting NxN transform. For Haar transform, the transformation matrix H c

anisotropic diffusion input: image to be filtered t: radio of search window f: radio of similarity window k: degree of filtering sigma: noise standard deviation Author: Jose Vicente Manjon Herrera & Antoni Buades Date: 09