Mercurial > hg > smallbox
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/util/unloc_solver.m Tue Sep 04 11:00:36 2012 +0100 @@ -0,0 +1,31 @@ +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 +