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comparison DL/two-step DL/dico_decorr_symetric.m @ 169:290cca7d3469 danieleb

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Added dictionary decorrelation functions and test script for ICASSP paper.
author Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk>
date Thu, 29 Sep 2011 09:46:52 +0100
parents 8324c7ea6602
children fd0b5d36f6ad
comparison
equal deleted inserted replaced
168:ff866a412be5 169:290cca7d3469
24 % end 24 % end
25 25
26 % several decorrelation iterations might be needed to reach global 26 % several decorrelation iterations might be needed to reach global
27 % coherence mu. niter can be adjusted to needs. 27 % coherence mu. niter can be adjusted to needs.
28 niter = 1; 28 niter = 1;
29 while niter < 5 && ... 29 while max(max(abs(dico'*dico -eye(length(dico))))) > mu + 0.01
30 max(max(abs(dico'*dico -eye(length(dico))))) > mu + eps
31 % find pairs of high correlation atoms 30 % find pairs of high correlation atoms
32 colors = dico_color(dico, mu); 31 colors = dico_color(dico, mu);
33 32
34 % iterate on all pairs 33 % iterate on all pairs
35 nbColors = max(colors); 34 nbColors = max(colors);