摘要
将三维激光扫描技术应用于地形测绘成图是一种新的尝试,它具有快速、细致和高精度的特点,可减轻测绘人员的作业强度,减少作业时间,提高测绘的效率。介绍了三维激光扫描系统的组成和工作原理,以及点云数据的处理过程和方法;探讨了三维激光扫描技术在现代工程测量应用中的技术特性,并结合工程实例介绍了实现过程和效果。实践结果表明,利用激光三维扫描技术获取的空间点云数据,可以快速地生成结构复杂的数字地形图。
The application of 3D Laser Scanning（LIDAR） in terrain surveying and mapping is innovative,which has the advantages of high speed and accuracy.Its application can reduce the working intensity and time and improve the efficiency of surveying.The composition and principle of LIDAR is introduced and the procedure and method of processing point cloud are given;the technical characteristics of LIDAR technology applied in modern engineering surveying and mapping is discussed,and the realization process and effect are demonstrated according to the engineering practices.The practical result shows that the space point cloud data obtained by LIDAR can be used to establish digital topographic map with complicated structure quickly.
出处
《人民长江》
北大核心
2011年第21期22-24,共3页
Yangtze River
基金
国家"十一五科技支撑项目"水利水电工程施工重大事故控制及应急救援关键技术(2008BAB29B06)
中央级公益性科研院所基本科研业务项目(YWF200809)的资助
