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机载LiDAR和SLAM融合技术在单木因子提取中的应用与研究

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激光雷达(LiDAR)技术为森林资源调查监测提供一种有效途径,本文基于LiDAR点云数据流程化,提出融合机载LiDAR和同步定位与地图构建(SLAM)技术的森林资源单木因子提取方法.该方法通过机载LiDAR结合SLAM技术获取精确的森林三维激光点云数据,以不同特征样地的实测单木因子数据为训练样本,结合机器学习算法准确、快速获取大范围森林的单木因子.本文以新疆维吾尔自治区某范围内成片密林为例进行实验验证.研究表明,研究方法可实现大面积林木完整的三维点云数据采集和单木因子提取分析,为森林资源调查监测提供依据.
Research and application of integrating airborne LiDAR and SLAM technology in single-wood factor extraction
LiDAR technology provides an effective method for forest resources investigation and monitoring.Based on LiDAR point cloud data processing,airborne LiDAR is combined with Simultaneous Localization and Mapping(SLAM)construction technology in this paper and is proposed as the extraction method of forest resources single-wood factor.This method is used to obtain forest three-dimensional laser point cloud data based on the airborne LiDAR combined with SLAM.And the measured single-wood factor in different feature plots are taken as training samples,combining with machine learning algorithms to accurately and quickly extract single-wood factors in large-scale forests.Taking a dense forest within a certain regimental farm in Xinjiang as the example to carry out experiement,the result turns out the research method can realize the complete three-dimensional point cloud data acquisition and single-wood factor extraction and analysis and it has provided strong technical and data support for forestry-related departments to carry out forest resources investigation and monitoring.

airborne LiDARsimultaneous localization and mapping constructionsplit of single woodmachine learningsingle wood factor

龚国辉、姜宇焘、杨心雨

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北京华星勘查新技术有限公司,北京 101102

首都机场集团设备运维管理有限公司,北京 102607

机载激光雷达 同步定位与地图构建 单木分割 机器学习 单木因子

2024

自然资源信息化
国土资源部信息中心

自然资源信息化

影响因子:0.407
ISSN:2097-1001
年,卷(期):2024.(4)