介绍了激光线结构光数控测量系统的标定方法 ,该方法利用数控机床本身的坐标精度 ,利用三角测量原理直接在数控机床上标定出光片角 ,同时采用最小二乘法拟合出摄像机结构参数 ,通过建立激光中心检索表的方法 ,修正由于参数标定所带来的误差 ,并采用神经网络拟合修正系数曲线 ,提高插值精度 . The calibration method of laser linear structured light numerical control measuring system is introduced. The method utilizes the coordinate precision of the CNC machine tool and calibrates the light flake angle directly on the CNC machine tool by using the principle of triangulation. At the same time, the structural parameters of the camera are fitted by the least squares method. The establishment of laser center retrieval table method to correct the error due to parameter calibration, and the use of neural network fitting correction coefficient curve to improve the interpolation accuracy.