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0011 function [histograma,valores,subbanda,subbandacrop]=marginal_2(Im,escala,orientacion,bins);
0012
0013 switch lower(orientacion)
0014 case 'h'
0015 sub=1;
0016 case 'v'
0017 sub=2;
0018 case 'd'
0019 sub=3;
0020 end
0021
0022 subbanda=[];
0023
0024 [pyr,ind]=buildWpyr(double(Im),4);
0025 pyrsub = wpyrBand(pyr, ind, escala, sub);
0026 pyrsub = pyrsub(:);
0027 subbanda = [subbanda; pyrsub];
0028
0029 [histograma,valores] = hist(subbanda,256);
0030 histograma = histograma/sum(histograma);
0031
0032 cdf = cumsum(histograma);
0033
0034 ind1 = find(cdf>=0.005);
0035 ind1 = ind1(1);
0036
0037 ind2 = find(cdf<=0.995);
0038 ind2 = ind2(end);
0039
0040 subbandacrop = subbanda(subbanda>valores(ind1) & subbanda<valores(ind2));
0041
0042 [histograma,valores] = hist(subbanda,256);
0043 histograma = histograma/sum(histograma);