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| 基于三维激光扫描的大型建筑物重构 |
| Large buildings rebuild of 3D laser scanning |
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| DOI： |
| 中文关键词: 特征点 配准拼接 三维激光扫描 坐标系转换 |
| 英文关键词: feature point registration 3D laser scanning transfer of axes |
| 基金项目:国家自然科学基金资助项目（41474014）；大地测量与地球动力学国家重点实验室基金资助项目（SKLGED2014-5-3-E）；煤炭资源清洁利用与矿山环境保护湖南省重点实验室开放基金资助项目（E21504） |
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| 中文摘要: |
| 三维点云数据的准确配准拼接与坐标转换是确保大型建筑物重构精度的关键.文章利用ScanStation2三维扫描仪对大型建筑物进行多测站扫描与配准拼接，分析了平面标靶与特征点配准的误差来源，提出了改进的特征点配准方法及坐标转换策略，并实例验证了该方法的有效性与优越性. |
| 英文摘要: |
| Registration and coordinate transformation of 3D point cloud data are keys about guaranteeing huge building reconstruction precision. ScanStation2 scanner was used to scan huge building and register scanning data. The source of error was analyzed that about matching plane targets and feature points, and an optimized approach of matching feature points was put farward and an optimized strategy of geodetic coordinate transformation was realized, and instances were run to verify effectiveness and superiority of these strategies. |
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