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Integration of Majorization Minimisation Dictionary Learning
author | Ivan Damnjanovic lnx <ivan.damnjanovic@eecs.qmul.ac.uk> |
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date | Mon, 22 Aug 2011 11:46:35 +0100 |
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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);