这是一个tsai两步法标定的源程序，它是以改进算法，对作摄像机标定的朋友会很有帮助-Tiberius This is a two-step calibration source, it is based on improved algorithm right for the camera calibration friends will be helpful

usdfld，复合材料失效损伤扩展，运用Tsai wu准则-usdfld, composites failure damage propagation, using Tsai wu Guidelines