function MODEL = training_phase(T_cell)
    
    N=size(T_cell,2);
    MODEL=zeros(N,9);
    
    for i=1:N
        for k=1:9
            A=conv2(T_cell{1,i},laws_kernel(k),'same');
            A2=A.^2;
            MODEL(i,k)=1/(size(T_cell{1,i},1)*size(T_cell{1,i},2))*sum(sum(A2));
        end
    end
end