Consequently, the difficulty of task was decomposed, worked at solving the technology problem of image capturing and identifying based on using mature technology adequately.

• 再经过几何计算将二维平面坐标转化为球面三维孔系坐标的测量模式。 从而分解了课题实现难度，在充分利用成熟技术的基础上，重点解决了图像获取和图形识别的技术难点。