A systematic scheme is proposed to automatically extract geometricsurface features from a point cloud composed of a set of unorganized three-dimensional coordinate points by data segmentation.
给出了数据分块系统性方案，即从仅含有三维坐标的散乱的点云中自动提取几何曲面特性。
2
The whole feature parameters and local feature of spacial geometric features of road surface are put forward.
提出了表征路面表面空间几何特征的整体特征参数和局部特征参数。
3
Surface parametrization is one of important problems in computer graphics and computer aided geometric design.