利用手持激光点云的矿区自然林树干提取  

Point cloud extraction of natural forest trunk in miningarea using hand-held laser scanner

作　　者：王果 王成 王宏涛[1] 张成龙[4] 吴博文 WANG Guo;WANG Cheng;WANG Hong-tao;ZHANG Cheng-long;WU Bo-wen(School of Surveying and Land Information Engineering,Henan Polytechnic University,Jiaozuo 454000,China;College of Civil Engineering,Henan University of Engineering,Zhengzhou 451191,China;Institute of Remote Sensing and Digital Earth,Chinese Academy of Sciences,Beijing 100094,China;Beijing Institute of Control Engineering,Beijing 100190,China)

机构地区：[1]河南理工大学测绘与国土信息工程学院,河南焦作454000 [2]河南工程学院土木工程学院,河南郑州451191 [3]中国科学院遥感与数字地球研究所中国科学院数字地球重点实验室,北京100094 [4]北京控制工程研究所,北京100190

出　　处：《激光与红外》2024年第1期57-62,共6页Laser & Infrared

基　　金：国家自然科学基金项目(No.U22A20566);河南省科技攻关项目(No.232102321104);河南省高等学校重点科研项目(No.23A420001)资助。

摘　　要：为了定量刻画矿区复杂环境下自然林树木的三维结构信息,提出一种利用手持激光扫描仪的矿区自然林树干点云识别方法。借助手持激光扫描仪对矿区自然林进行扫描,在滤除地面点的基础上,引入多尺度垂直度特征进行矿区自然林树干识别,利用八叉树叶节点聚类方法对识别的树干进一步提取。通过矿区实测数据进行实验,结果表明,所提出的方法能够实现矿区自然林树干的识别,对矿区复杂环境下自然林树木的三维结构信息定量刻画、厘清矿区植被生长状况具有一定的参考价值。In this paper,a method of recognizing the trunk point cloud of natural forest trees in the mining area using a hand-held laser scanner is proposed in order to quantitatively describe the three-dimensional structure information of natural forest trees in complex environment of the mining area.The natural forest in the mining area is scanned with a hand-held laser scanner.On the basis of filtering the ground points,the multi-scale verticality feature is introduced to identify the trunk of the natural forest in the mining area,and the identified trunk is further extracted by the octree leaf node clustering method.Experiments are carried out with measured data from the mining area,and the results show that the proposed method can realize the identification of the trunk of natural forest in the mining area,and has certain reference value for quantitative description of the three-dimensional structure information of natural forest trees in complex environment,and for clarifying the vegetation growth status in the mining area.

关 键 词：手持激光 矿区自然林 多尺度 垂直度 树干 

分 类 号：P237[天文地球—摄影测量与遥感] TN88.98[天文地球—测绘科学与技术]