介绍了逆向工程的基本概念，基于RE技术上的三维建模方法：数据采集、点云数据处理、三维模型重建。
Introduces the basic conception of the reverse engineering and three-dimensional modeling method based re technology: data gathering, cloud data processing and three-dimensional model rebuilding.
目前基于点云的三维重建，大都是通过一些算法构造出三维表面网格模型。
Now based on the three-dimensional reconstruction of point cloud, it is to make three-dimensional surface grid model through some algorithm.
散乱点云数据的测量是三维物体曲面重建的前提和基础。
The measurement of scattered point cloud data is the foundation of surface reconstruction of a 3d object.
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