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中文摘要：
三维激光扫描技术可以快速获取大量点云数据.针对这些点云数据,探讨了点云数据预处理中的区域分割和内插算法问题,研究利用这些预处理数据生成地面模型的方法,并根据实例提出了数据处理的改进方法.数据处理结果表明：利用点云数据通过一些措施生成的地面模型不仅效果好,而且可以满足建立大范围地势复杂地形模型的要求.
英文摘要：
Point cloud can be got by 3D laser scanning technology. Based on these data, the data pretreatment is discussed for region segmentation and interpolation method. Research on the method of generation for terrain model using these pretreatment data which has been processed, and some improved methods are proposed according to the practice. The data processing results show that the improved methods not only are efficient, but also are availably for the construction requirements of wide range of complex topography areas.
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