def main():
frame = cv2.imread('0.jpg')
copy_frame = frame.copy()
test = draw_custom_roi.define_roi(frame, copy_frame)
print("selected coordinates: ")
print(test)
def select_roi(frame):
"""
select roi in order
top-left, top-right, bottom-right, bottom-left
"""
copy_frame = frame.copy()
pts = draw_custom_roi.define_roi(frame, copy_frame)
print("selected coordinates: ", pts)
return np.array(pts, dtype=np.float32)