手持SLAM设备在土方测量中的应用研究

Research on the Application of Handheld SLAM Equipment in Earthwork Measurement

随着测绘技术的不断革新,传统的数据采集方法也在使用过程中出现了相关的弊端,无法满足现有项目的时间要求与精度要求,三维激光扫描技术的出现极大地提升了数据质量和数据采集速度,为现有项目的开展提供了数据支持。基于手持SLAM技术在土方测量中的应用与优势展开研究,通过对手持SLAM技术原理、算法和关键技术进行分析,并结合工程实例利用手持SLAM和三维激光扫描仪对土方精度进行验证。实验证明,手持SLAM技术能够在土方测量中实现高精度、高效率的数据采集和建模,为土方方量计算奠定了数据基础。

With the continuous innovation of surveying and mapping technology,traditional data collection methods have also encountered related drawbacks in the use process and cannot meet the time and accuracy requirements of existing projects.The emergence of three-dimensional laser scanning technology has greatly improved the quality and collection speed of data,which provides data support for the development of existing projects.This article studies the application and advantages of handheld SLAM technology in earthwork survey,analyzes the principles,algorithms and key technologies of handheld SLAM technology,and uses handheld SLAM and 3D laser scanners to verify the accuracy of earthwork in combination with engineering examples.Experiments have shown that handheld SLAM technology can achieve high-precision and efficient data collection and modeling in earthwork measurement,which lays a data foundation for earthwork volume calculation.