此程序主要是用来做一些摄像机标定用的，通过它可以测出摄像机的内外参数-The procedure is used to do something with the camera calibration, it can detect the camera's internal and external parameters

此程序主要是用于二步法的摄像机标定，可以通过他得出内外参数-this procedure is used mainly to the two-step calibration can be reached through his internal and external parameters