fit b-spline meaning in English

适配贝塔曲线

So , the research of cad model reconstruction from scattered point cloud should be carried out urgently . the main key techniques contents of surfaces reconstruction from scattered point cloud data include data pre - processing , such as denoising data 、 filling holes and simplifying data , segmenting data , producing quadrilateral domains , and fitting b - spline surfaces
本文直接以测量获得的散乱点云数据为对象,研究了点云数据的几何特性计算、平滑处理、孔洞修补、数据简化等,在此基础上,进一步研究了点云数据分块、四边界区域划分及曲面拟合。