comparison DL/two-step DL/SMALL_two_step_DL.m @ 195:d50f5bdbe14c luisf_dev

- Added SMALL_DL_test: simple DL showcase
- Added dico_decorr_symmetric: improved version of INK-SVD decorrelation step
- Debugged SMALL_learn, SMALLBoxInit and SMALL_two_step_DL

 
 % This is a small patch that needs to be resolved in dictionary learning we
 % want sparse representation of training set, and in Problem.b1 in this
 % version of software we store the signal that needs to be represented
 % (for example the whole image)
+global SMALL_path
 
 tmpTraining = Problem.b1;
 Problem.b1 = sig;
 if isfield(Problem,'reconstruct')
     Problem = rmfield(Problem, 'reconstruct');