methods.py 文件源码

def circle_grid(image, pattern_size=(4,11)):
    """Circle grid: finds an assymetric circle pattern
    - circle_id: sorted from bottom left to top right (column first)
    - If no circle_id is given, then the mean of circle positions is returned approx. center
    - If no pattern is detected, function returns None
    """
    status, centers = cv2.findCirclesGridDefault(image, pattern_size, flags=cv2.CALIB_CB_ASYMMETRIC_GRID)
    if status:
        return centers
    else:
        return None