Mercurial > hg > smallbox
view util/unloc_solver.m @ 244:5c8bcdadb380 unlocbox
added UNLocBox interface, example and a 128x128 Lena
author | bmailhe |
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date | Tue, 04 Sep 2012 11:00:36 +0100 |
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function [ sol ] = unloc_solver( b, A, param,name ) %UNLOC_SOLVER Solve the minimisation problem using UNLOCBOX toolbox % % argmin_x ||x||_1 such that ||Ax-b||_2 < sima_t if nargin<3, param=struct; end % set parameters if ~isfield(param, 'verbose'), param.verbose = 1; end if ~isfield(param, 'T'), param.T = 256; end if ~isfield(param, 'sigma'), param.sigma = 1; end if ~isfield(param, 'max_iter'), param.max_iter = 100; end if ~isfield(param, 'epsilon'), param.epsilon = 1e-3; end [b2,f1,f2,param] = small_to_unloc(b,A,param); if strcmpi(name, 'Douglas_Rachford') sol=douglas_rachford(b2,f2,f1,param); elseif strcmpi(name, 'Forward_Backard') sol=forward_backward(b2,f1,f2,param); elseif strcmpi(name, 'ADMM') opL= @(x) x; sol=admm(b2,f1,f2,opL,param); else error('UNLocBox tells you: Unknown solver name!') end; end