demo_l2_tv.m

TwIST：两步迭代的图像分割matlab源码

function demo_l2_TV
% TV based image deburring using TwIST:
% Setting: cameraman, blur uniform 9*9, BSNR = 40 dB
%
% This demo illustrates the computation of  
%
%     xe = arg min 0.5 ||Ax-y||^2 + tau TV(x)
%             x
% 
% with the TwIST algorithm, where A denotes the convolution operator
%
% The proximal operator, i.e., the solution of
%
%     xe = arg min 0.5 ||x-y||^2 + tau TV(x)
%             x
% is  given by the Chambolle algorithm
% 
% A. Chambolle, 揂n algorithm for total variation minimization and
% applications,