edges = cv2.Canny(img, 100, 100, apertureSize=3)
    h_lines = cv2.HoughLines(edges, 1, np.pi / 180, 90)

    horizontal_lines = []
    vertical_lines = []
    if h_lines is not None:
        for line in h_lines:
            rho, theta = line[0]
            a = np.cos(theta)
            b = np.sin(theta)
            x0 = a * rho
            y0 = b * rho
            x1 = int(x0 + 1000 * (-b))
            y1 = int(y0 + 1000 * (a))
            x2 = int(x0 - 1000 * (-b))
            y2 = int(y0 - 1000 * (a))

            if abs(theta - np.pi) < 0.1 or abs(theta - np.pi / 2) < 0.1 or abs(theta) < 0.1:
                if abs(y2 - y1) < abs(x2 - x1):
                    horizontal_lines.append([x1, x2, y1, y2, rho, theta])
                elif abs(x2 - x1) < abs(y2 - y1):
                    vertical_lines.append([x1, x2, y1, y2, rho, theta])