基于三维激光点云的矿区建筑物形变特征提取方法
|
摘要
三维激光扫描技术在近年来采空区地表建筑物变形监测中的应用日益频繁。但因其所获取的数据量巨大,如何从众多的点云数据中提取出研究对象的形变信息应当是当下研究的重点。文章以安居三中校区楼房为例,借由三维激光扫描技术获取多期点云数据,并进行配准、滤波、抽稀等数据预处理工作;利用Geomagic系列软件对点云进行曲面重构,建立NURBS模型(非均匀有理B样条曲线);计算模型与点云数据间的3D、2D偏差,得到不同期数据间的空间位置变化,最终提取出建筑物水平变形值与倾斜值两项形变信息。在研究最后,加入实测值与理论规律的对比,证明该方法具有一定的可靠性和实用价值。
The application of 3 D laser scanning technology in the deformation monitoring of surface buildings in goaf has become more and more frequent in recent years. However,because of the huge amount of data it acquires,how to extract the deformation information of the research object from many point cloud data should be the focus of current research. Taking the building of the An Ju NO. 3 Campus as an example,the paper obtains multi-period point cloud data by 3 D laser scanning technology,and performs data pre-processing such as registration,filtering and thinning; using Geomagic series software to reconstruct the surface of the point cloud. The NURBS model( non-uniform rational B-spline curve) is established; the 3 D and 2 D deviations between the model and the point cloud data are calculated,and the spatial position changes between different periods of data are obtained,and finally the two deformations of the horizontal deformation value and the tilt value of the building are extracted. information. At the end of the study,the comparison between the measured values and the theoretical laws is proved,which proves that the method has certain reliability and practical value.
The application of 3 D laser scanning technology in the deformation monitoring of surface buildings in goaf has become more and more frequent in recent years. However,because of the huge amount of data it acquires,how to extract the deformation information of the research object from many point cloud data should be the focus of current research. Taking the building of the An Ju NO. 3 Campus as an example,the paper obtains multi-period point cloud data by 3 D laser scanning technology,and performs data pre-processing such as registration,filtering and thinning; using Geomagic series software to reconstruct the surface of the point cloud. The NURBS model( non-uniform rational B-spline curve) is established; the 3 D and 2 D deviations between the model and the point cloud data are calculated,and the spatial position changes between different periods of data are obtained,and finally the two deformations of the horizontal deformation value and the tilt value of the building are extracted. information. At the end of the study,the comparison between the measured values and the theoretical laws is proved,which proves that the method has certain reliability and practical value.
引文
[1]王晓华,胡友健,柏柳.变形监测研究现状综述[J].测绘科学,2006(02):130-132+9.
[2]岳建平,方露,黎昵.变形监测理论与技术研究进展[J].测绘通报,2007,07:1-4.
[3]刘昌军,刘会玲,张顺福.基于激光点云直接比较算法的边坡变形监测技术研究[J].岩石力学与工程学报,2015,34(S1):3281-3288.
[4]JIANG Weiping,XI Ruijie,CHEN Hua,et al.Accuracy analysis of continuous deformation monitoring using Bei Dou Navigation Satellite System at middle and high latitudes in China[J].Advances in Space Research,2016,7:11-13.
[5]ANTOVA Gergana.Registration Process of Laser Scan Data in the Field of Deformation Monitoring[J].Procedia Earth and Planetary Science,2015,15:19-21.
[6]DEVANTHéRY Núria,CROSETTO Michele,CUEVAS-GONZáLEZ María,et al.Deformation Monitoring Using Persistent Scatterer Interferometry and Sentinel-1 SAR Data[J].Procedia Computer Science,2016,100:21-23.
[7]HU Hong,GAO Jingxiang,YAO Yifei.Land deformation monitoring in mining area with PPP-AR[J].International Journal of Mining Science and Technology,2014,24(2):76-78.
[8]王举,张成才.基于三维激光扫描技术的土石坝变形监测方法研究[J].岩土工程学报,2014,36(12):2345-2350.
[9]李强,邓辉,周毅.三维激光扫描在矿区地面沉陷变形监测中的应用[J].中国地质灾害与防治学报,2014,25(01):119-124.
[10]臧伟,钱林,孙宝军,等.地面三维激光扫描技术在工程测量中的应用[J].北京测绘,2015,03:130-135.
[11]WANG Ju,ZHANG Chengcai.Earth-Rock Dam Deformation Monitoring Based on Three-Dimensional Laser Scanning Technology[J].Advanced Materials Research,2014,3181(926):196-198.
[12]LIANG Bin,YUE Chong,CHEN Xuhui,et al.The Study of Deformation Monitoring Based on the Ground Three-Dimensional Laser Scanning Technology[J].Advanced Materials Research,2014,3472(1022):201-204.
[13]李广云,李明磊,王力,等.地面激光扫描点云数据预处理综述[J].测绘通报,2015(11):1-3+31.
[14]YANG Bisheng,XU Wenxue,YAO Wei.Extracting buildings from airborne laser scanning point clouds using a marked point process[J].GIScience&Remote Sensing,2014,51(5):68-71.
[15]孟万利,蔡来良,杨望山,等.矿区开采沉陷预计的Geomagic法[J].金属矿山,2017,01:126-131.
[16]NAGAI Yukie,OHTAKE Yutaka,SUZUKI Hiromasa.Tomographic surface reconstruction from point cloud[J].Computers&Graphics,2015,46:89-92.
[17]HUANG Yunbao,QIAN Xiaoping.Dynamic B-spline surface reconstruction:Closing the sensing-and-modeling loop in 3D digitization[J].Computer-Aided Design,2007,39(11):19-22.
[2]岳建平,方露,黎昵.变形监测理论与技术研究进展[J].测绘通报,2007,07:1-4.
[3]刘昌军,刘会玲,张顺福.基于激光点云直接比较算法的边坡变形监测技术研究[J].岩石力学与工程学报,2015,34(S1):3281-3288.
[4]JIANG Weiping,XI Ruijie,CHEN Hua,et al.Accuracy analysis of continuous deformation monitoring using Bei Dou Navigation Satellite System at middle and high latitudes in China[J].Advances in Space Research,2016,7:11-13.
[5]ANTOVA Gergana.Registration Process of Laser Scan Data in the Field of Deformation Monitoring[J].Procedia Earth and Planetary Science,2015,15:19-21.
[6]DEVANTHéRY Núria,CROSETTO Michele,CUEVAS-GONZáLEZ María,et al.Deformation Monitoring Using Persistent Scatterer Interferometry and Sentinel-1 SAR Data[J].Procedia Computer Science,2016,100:21-23.
[7]HU Hong,GAO Jingxiang,YAO Yifei.Land deformation monitoring in mining area with PPP-AR[J].International Journal of Mining Science and Technology,2014,24(2):76-78.
[8]王举,张成才.基于三维激光扫描技术的土石坝变形监测方法研究[J].岩土工程学报,2014,36(12):2345-2350.
[9]李强,邓辉,周毅.三维激光扫描在矿区地面沉陷变形监测中的应用[J].中国地质灾害与防治学报,2014,25(01):119-124.
[10]臧伟,钱林,孙宝军,等.地面三维激光扫描技术在工程测量中的应用[J].北京测绘,2015,03:130-135.
[11]WANG Ju,ZHANG Chengcai.Earth-Rock Dam Deformation Monitoring Based on Three-Dimensional Laser Scanning Technology[J].Advanced Materials Research,2014,3181(926):196-198.
[12]LIANG Bin,YUE Chong,CHEN Xuhui,et al.The Study of Deformation Monitoring Based on the Ground Three-Dimensional Laser Scanning Technology[J].Advanced Materials Research,2014,3472(1022):201-204.
[13]李广云,李明磊,王力,等.地面激光扫描点云数据预处理综述[J].测绘通报,2015(11):1-3+31.
[14]YANG Bisheng,XU Wenxue,YAO Wei.Extracting buildings from airborne laser scanning point clouds using a marked point process[J].GIScience&Remote Sensing,2014,51(5):68-71.
[15]孟万利,蔡来良,杨望山,等.矿区开采沉陷预计的Geomagic法[J].金属矿山,2017,01:126-131.
[16]NAGAI Yukie,OHTAKE Yutaka,SUZUKI Hiromasa.Tomographic surface reconstruction from point cloud[J].Computers&Graphics,2015,46:89-92.
[17]HUANG Yunbao,QIAN Xiaoping.Dynamic B-spline surface reconstruction:Closing the sensing-and-modeling loop in 3D digitization[J].Computer-Aided Design,2007,39(11):19-22.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |