无需顾及初值的坐标转换法拟合任意方向点云圆柱面

Coordinate transformation method to fit any point cloud cylinder data with arbitrary initial values

文中提出了一种简便可行的方法来拟合点云圆柱面,其主要通过改进坐标转换法的圆度误差方程进行去相关变换来减弱方程对初值的依赖性,因此不必顾及参数初值的选取。进一步对不同组点云数据的拟合结果进行分析,并在投影坐标系下绘制圆度投影图和等值线,验证了该方法的准确性和实用性。

In this paper,a simple and feasible method was proposed to fit the point cloud cylindrical surface,which mainly reduced the dependence of the equation on the initial value by improving the roundness error equation of the coordinate transformation method,so it didn’t need to take into account the initial parameters. In order to verify the accuracy and practicability of the method,the fitting results of different sets of point cloud data were analyzed,the circular projection and contour were drawn in the projected coordinate system,and the accuracy and the practicability of the method were verified.