报错提示：

OAK相机校准时出现以下报错

Traceback (most recent call last):
   File "/home/mulong/codes/depthai/calibrate.py", line 614,in <module>
     Main().run()
  File "/home/mulong/codes/depthai/calibrate.py", line 606,in run
    self.capture_images()
  File "/home/mulong/codes/depthai/calibrate.py", line 434,in capture_images
    self.show_failed_orientation()
  File "/home/mulong/codes/depthai/calibrate.py", line 307,in show_failed_orientation
     raise Exception(
Exception: Calibration failed, Camera Might be held upside down. start again!!

解决方法：

校准教程里有写过这个报错的解决办法，请仔细查看教程。