function superLevelSet=superLvlSet(filter,levels,clusters),
% Formation of super-levelsets (>=levels) of filter
%	superLevelSet=superLvlSet(levels,clusters)
%

[ig, id_sort]=sort(filter,'descend');

for i=1:length(levels),
        superLevelSet{i}.index = id_sort(1:levels(i));
        superLevelSet{i}.cluster = clusters(i);
end
