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中文摘要：
三维激光扫描技术在建筑物建模领域发展迅速。以现代建筑为例,从三维数据获取、数据处理、模型建立等方法进行论述,采用七参数模型进行点云拼接,并对拼接后的点云进行去噪和抽稀处理,分析研究2种不同建模方法的特点,一种是三角网格法,另一种是参数化建模方法。最终采用参数化建模方法完成了大型建筑物的建模。实验表明,在建筑物建模中,参数化建模方法更为适用。
英文摘要：
3D Laser Scanning technology is rapidly development in the field of building modeling. In this paper, we takes the Modern buildings as an example, using seven-parameter model to stitching the point cloud, and de-noise and thinning with the stitched point cloud, we discussed the methods of 3D data acquisition, data processing and modeling etc. Analysis and research on the characteristics of two kinds of different modeling methods, one is a triangular grid method, other is parametric modeling. Eventually using parametric modeling method to completed modeling the large buildings. Experiments show that in the modeling of building, parametric modeling approach is more suitable.
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