基于三维激光扫描的建筑模型可视化制作研究
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2020年吉林省高教科研课题(No.JGJX2020D439)资助。


Research on the visualization of building models based on 3D laser scanning
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    摘要:

    为提升建筑模型制作精度,以三维激光扫描为技术背景,对建筑模型可视化制作方法展开研究。将三维激光扫描设备放置于少遮挡物且具有开阔视野的位置,经多次扫描取得多组重合的点云数据,通过变换坐标系间关系,完成点云数据拼接,对其去噪、光顺处理后,根据构成建筑物表面的若干个几何特征,提取截面边界与建筑特征结构,实现建筑模型可视化制作。选取某标志性建筑物,分析布设的控制点、测站点以及标靶等指标精度,基于有效的测量准度,制作建筑三维模型,经对比模型与实际建筑物尺寸,发现所提方法能有效实现模型可视化制作,且大幅提升制作精度。

    Abstract:

    In order to improve the accuracy of building model production,with 3D laser scanning as the technical background,the research on the visualization method of building model production is carried out.The 3D laser scanning device is placed in a position with few obstructions and with a wide field of view.After multiple scans,multiple sets of overlapping point cloud data are obtained.By transforming the relationship between the coordinate systems,the point cloud data can be spliced,denoising and smoothing.After processing,based on several geometric features that constitute the surface line of the building,the boundary of the section and the characteristic structure of the building are extracted to realize the visualization of the building model.Select a landmark building,analyze the accuracy of control points,survey sites,target and other indicators,and make a three dimensional model of the building based on the effective measurement accuracy.After comparing the model with the actual building size,it is found that the proposed method can be effectively achieve the visualization of building models and greatly improve the production accuracy.

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宋培娟,高连平,任宇.基于三维激光扫描的建筑模型可视化制作研究[J].激光与红外,2022,52(3):349~354
SONG Pei-juan, GAO Lian-ping, REN Yu. Research on the visualization of building models based on 3D laser scanning[J]. LASER & INFRARED,2022,52(3):349~354

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  • 最后修改日期:2021-05-28
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  • 在线发布日期: 2022-03-22