Abstract: The commonly used laser calibration evaluation method is to use the distance error of the correspondence points in calibration field. The error in the selection process has a great impact on the evaluation result. It cannot be ignored in high-precision laser calibration. This paper designs the use of correspondence surfaces to evaluate the calibration of the laser, using the control points and the static laser construction calibration field as the true value, extracts the correspondence surfaces from the laser point cloud to be evaluated.The error between the two correspondence surfaces is used to evaluate the calibration accuracy of the laser. The laser calibration accuracy evaluation solution has been applied to the AutoNavi high-precision acquisition system, and has been put into production for more than 2 years. The relative accuracy of 98% features made from laser cloud reached 10 cm.

Key words: laser calibration, mobile mapping system, high-precision map, precision evaluation, correspondence surfaces