function Y = markedTSE(Y1, Y2)

[l, c, d] = size(Y1);
Y = zeros(l,c,d);
for i=1:l,
    for j=1:c,
        temp (i,j,1) = abs(Y1(i,j,1)-Y2(i,j,1));
        if temp(i,j)>5
            Y(i,j,:)= 255; 
        else
            Y(i,j,:) = 0;
        end
    end
end

