基于无人机倾斜摄影的矿山地质数字化测绘技术研究  

Research on Digital Mapping Technology for Mining Geology Based on Drone Oblique Photography

作　　者：赵国华 Zhao Guohua(China Building Materials Industry Geological Exploration Center Guangxi Corps,Guilin,China)

机构地区：[1]中国建筑材料工业地质勘查中心广西总队,广西桂林

出　　处：《科学技术创新》2025年第8期13-16,共4页Scientific and Technological Innovation

摘　　要：由于现行技术在矿山地质数字化测绘场景中应用效果不佳,测绘误差比较大,无法达到预期的测绘效果,为此提出基于无人机倾斜摄影的矿山地质数字化测绘技术研究。采用无人机倾斜摄影技术对矿山地质图像采集,通过图像坐标系转换得到矿山地质大地坐标点云信息,采用CSF布料模拟滤波方法对点云信息降噪,并通过投影处理提取矿山地质高程特征,根据矿山高程特征对地质点云迭代增长,构建矿山地质数字化三维模型,实现矿山地质数字化测绘。经实验证明,设计技术测绘点贴近实际点,测绘误差较小,在矿山地质数字化测绘领域具有良好的应用前景。Due to the poor application effect of current technology in the digital surveying and mapping of mining geology,the surveying error is relatively large,and the expected surveying effect cannot be achieved.Therefore,a research on digital surveying and mapping technology of mining geology based on unmanned aerial vehicle oblique photography is proposed.Using unmanned aerial vehicle oblique photography technology to collect geological images of mines,the geological point cloud information of mines is obtained through image coordinate system conversion.The CSF cloth simulation filtering method is used to denoise the point cloud information,and the mining geological elevation features are extracted through projection processing.Based on the mining mountain elevation features,the geological point cloud is iteratively increased to construct a digital 3D model of mining geology,achieving digital mapping of mining geology.Experimental results have shown that the design technology for surveying and mapping points is close to actual points,with small surveying errors,and has good application prospects in the field of digital surveying and mapping of mining geology.

关 键 词：无人机倾斜摄影 数字化 测绘 CSF布料模拟滤波方法 投影 三维模型 

分 类 号：P231[天文地球—摄影测量与遥感]