function x = tnp_recognize2(db, file)

O = 11;
Q = 6;

% load db training
coefs = dlmread(db{1});
for i = 2:numel(db)
    coefs = cat(1,coefs, dlmread(db{i}));
end

[ model, midels ] = kmeans(transpose(coefs), 15);

model
midels