Mercurial > hg > smallbox
view DL/Majorization Minimization DL/softthreshold.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
| author | Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk> |
|---|---|
| date | Wed, 14 Mar 2012 14:42:52 +0000 |
| parents | b14209313ba4 |
| children |
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% Soft threshold operator for matrices % [Y] = softthreshold(X,theta) % X : input matrix % theta : thresholding parameter function [Y] = softthreshold(X,theta) Y = X - min(theta,abs(X)).*sign(X);