摘要
由于山区工程测绘信息提取的过程中没有对原始山区激光数据进行清洗处理,导致测绘信息提取效果较差,为此,本文提出基于激光点云技术的山区工程测绘信息提取方法。使用不规则三角渐进加密滤波方法确定地面点,采集山区工程激光数据,根据各点之间的距离,确定点云数据存在的合理性,对原始山区激光数据进行清洗处理,剔除异常数据,并将二维数据转化为三维数据,根据数据转化结果,计算山区结构参数,将其与点云数据融合,完成山区工程测绘信息提取。至此,基于激光点云技术的山区工程测绘信息提取方法设计完成。构建实验环节,实验结果证实,此方法信息提取安全性较高,工作量较少,且可有效提升测绘信息提取结果的可靠性。
Because the original laser data of mountain area is not cleaned in the process of mountain area engineering surveying and mapping information extraction,the effect of surveying and mapping information extraction is poor.Therefore,a method of mountain area engineering surveying and mapping information extraction based on laser point cloud technology is proposed.The irregular triangle progressive encryption filtering method is used to determine the ground points,collect the mountain engineering laser data,determine the rationality of the point cloud data according to the distance between the points,clean the original mountain laser data,eliminate the abnormal data,and convert the 2D data into 3D data.According to the data conversion results,calculate the mountain structural parameters,fuse them with the point cloud data,and complete the mountain engineering surveying and mapping information extraction.So far,the design of information extraction method for mountain engineering surveying and mapping based on laser point cloud technology has been completed.The experimental results show that this method has high security,less workload and can effectively improve the reliability of the mapping information extraction results.
作者
阳经为
YANG Jingwei(Ningbo Fenghua District Jingzhong Surveying and Mapping Design Co.,Ltd.,Ningbo 315500,China)
出处
《测绘与空间地理信息》
2023年第12期169-172,共4页
Geomatics & Spatial Information Technology
关键词
激光点云技术
人工测量
点云配准
山区工程测绘
信息提取
laser point cloud technology
manual measurement
point cloud registration
mountain engineering surveying and mapping
information extraction
