view DL/Majorization Minimization DL/softthreshold.m @ 245:96d17e5dc5d3

Replaced the call to SMALL_ImgDenoise_DL_test_KSVDvsSPAMS with SMALL_ImgDenoise_DL_test_KSVDvsRLSDLAvsTwoStepMOD in Example 2 of SMALLBoxSetup.m.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Wed, 31 Oct 2012 11:53:07 +0000
parents b14209313ba4
children
line wrap: on
line source
% 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);