基于车载LiDAR的露天矿场景三维模型构建

Three-dimensional Modeling of Open Pit Mine Based on Vehicle-mounted LiDAR

三维模型是地质地形数据,可为地质勘探、储量计算及采矿设计提供依据,利用车载LiDAR对露天矿进行快速的三维建模,为露天矿设计和生产管理提供高效、直观的数据支撑。本文对车载激光LiDAR获得的点云数据进行去噪、滤波、地形特征点提取等处理,构建矿区地表三角网,并对三维模型作编辑,所建立的模型与原始点云的最大偏差为4.2 cm、平均偏差为0.02 cm、标准偏差为0.2 cm,模型质量高,该处理方法可完成露天矿场景三维建模。

Three-dimensional model is geological terrain data that provides the basis for geological exploration,reserve calculation and mining design.A vehicle-mounted LiDAR is used to carry out rapid three-dimensional modeling of open-pit mines,providing efficient and intuitive data support for the design and production management of open-pit mines.In this paper,the point cloud data obtained by vehicle-mounted laser LiDAR is processed by denoising,filtering,and extracting topographic feature points,to construct the triangular mesh of the surface of the mining area,and the 3D model is edited.The maximum deviation of the developed model from the original point cloud is 4.2 cm,the average deviation is 0.02 cm,and the standard deviation is 0.2 cm.And it shows to be a high quality model,and this processing method can complete the 3D modeling of open pit mines.