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function X = packF(F,featureName,weighted,bow,normalize)
for i=1:length(F)
switch featureName
case {'geo_texton','geo_color'}
if bow
if normalize
X(:,i) = F{i}.hists.all / (sum(F{i}.hists.all)+eps);
else
X(:,i) = F{i}.hists.all;
end
else
if normalize
F{i}.hists.gnd = F{i}.hists.gnd / (sum(F{i}.hists.gnd)+eps);
F{i}.hists.por = F{i}.hists.por / (sum(F{i}.hists.por)+eps);
F{i}.hists.sky = F{i}.hists.sky / (sum(F{i}.hists.sky)+eps);
F{i}.hists.vrt = F{i}.hists.vrt / (sum(F{i}.hists.vrt)+eps);
F{i}.hists.all = F{i}.hists.all / (sum(F{i}.hists.all)+eps);
end
if weighted
X(:,i) = [F{i}.hists.gnd; F{i}.hists.por; F{i}.hists.sky; F{i}.hists.vrt; 2 * F{i}.hists.all];
else
X(:,i) = [F{i}.hists.gnd; F{i}.hists.por; F{i}.hists.sky; F{i}.hists.vrt; F{i}.hists.all];
end
end
case {'denseSIFT','hog2x2','texton','ssim','lbp','lbphf'}
if bow
if normalize
X(:,i) = F{i}.hists.L0/(sum(F{i}.hists.L0)+eps);
else
X(:,i) = F{i}.hists.L0;
end
else
if normalize
if weighted
X(:,i) = [F{i}.hists.L0/ (sum(F{i}.hists.L0)+eps); 4* F{i}.hists.L1/ (sum(F{i}.hists.L1)+eps); 16* 2*F{i}.hists.L2/ (sum(F{i}.hists.L2)+eps)];
else
X(:,i) = [F{i}.hists.L0/ (sum(F{i}.hists.L0)+eps); 4* F{i}.hists.L1/ (sum(F{i}.hists.L1)+eps); 16* F{i}.hists.L2/ (sum(F{i}.hists.L2)+eps)];
end
else
if weighted
X(:,i) = [F{i}.hists.L0; F{i}.hists.L1; 2*F{i}.hists.L2];
else
X(:,i) = [F{i}.hists.L0; F{i}.hists.L1; F{i}.hists.L2];
end
end
end
case 'geo_map8x8'
X(:,i) = F{i}.geo_map8x8;
case 'tiny_image'
X(:,i) = F{i}.tiny_image;
case {'gist','gistPadding'}
X(:,i) = F{i}.descrs;
case 'sparse_sift'
if normalize
X(:,i) = [ F{i}.hists.hesaff/(sum(F{i}.hists.hesaff)+eps); F{i}.hists.mser/(sum(F{i}.hists.mser)+eps)];
else
X(:,i) = [ F{i}.hists.hesaff; F{i}.hists.mser];
end
case 'line_hists'
if normalize
X(:,i) = [ F{i}.hists.angle/(sum(F{i}.hists.angle)+eps); F{i}.hists.length/(sum(F{i}.hists.length)+eps)];
else
X(:,i) = [ F{i}.hists.angle; F{i}.hists.length];
end
end
end |