perform_directional_filtering.m

image denoising toolbox in matlab

function M = perform_directional_filtering(M,H,options)

% perform_directional_filtering - perform filtering along some tensor field
%
%   M = perform_directional_filtering(M,H,options);
%
%   H is either a vector field (matrix of size (n,n,2))
%   or a tensor field (matrix of size (n,n,2,2)).
%
%   Copyright (c) 2006 Gabriel Peyr