video.py 文件源码

def select_roi(self):
        """Prompt user for a region of interest.

        Args:
            None.
        Returns:
            ROI (tuple): selected ROI coordinates.
        """
        ROI = cv2.selectROI('Select region of interest...', self.current_frame,
                            False, False)
        cv2.destroyWindow('Select region of interest...')
        return ROI