Detect the lines in the $4 \times 4$ binary image $x(m, n)$. Choose a suitable threshold. * (i)
$$
x(m, n)=\left[\begin{array}{llll}
0 & 0 & 1 & 0 \\
1 & 0 & 1 & 0 \\
0 & 0 & 1 & 0 \\
0 & 0 & 1 & 0
\end{array}\right]
$$
(ii)
$$
x(m, n)=\left[\begin{array}{llll}
0 & 0 & 0 & 0 \\
1 & 1 & 1 & 1 \\
0 & 0 & 1 & 0 \\
0 & 1 & 0 & 0
\end{array}\right]
$$
(iii)
$$
x(m, n)=\left[\begin{array}{llll}
0 & 0 & 0 & 0 \\
1 & 1 & 1 & 1 \\
0 & 0 & 0 & 1 \\
1 & 0 & 0 & 1
\end{array}\right]
$$
(iv)
$$
x(m, n)=\left[\begin{array}{llll}
1 & 0 & 0 & 0 \\
0 & 1 & 1 & 1 \\
0 & 0 & 1 & 1 \\
0 & 0 & 0 & 0
\end{array}\right]
$$
(v)
$$
x(m, n)=\left[\begin{array}{llll}
0 & 0 & 0 & 0 \\
1 & 1 & 1 & 1 \\
0 & 1 & 0 & 0 \\
1 & 0 & 0 & 0
\end{array}\right]
$$