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Forest and Grassland Resources Research >

2023 , Vol. 0 >Issue 1: 133 - 140

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2023.01.016

Technical Application

Location Extraction of Single Tree in Forest Based on Laser Point Cloud Data

  • Qingan CAO ,
  • Yong ZUO ,
  • Yuanrong HE ,
  • Peng LENG
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  • 1. Jiangxi Nuclear Industry Geological Survey Institute,Nanchang 330038,China
    2. Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education,Fuzhou University,Fuzhou 350116,China
    3. Big Data Institute of Digital Natural Disaster Monitoring in Fujian,Xiamen University of Technology,Xiamen,Fujian 361024,China

Received date: 2022-11-26

  Revised date: 2023-02-17

  Online published: 2023-05-05

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Abstract

This paper took the larch forest land of Saihanba Forest Farm in Hebei Province as the research object.Through setting cement piles and reflective sheets in the selected sampling sites,aiming at the low precision of forest single tree extraction,this paper conducted the research on the method of extracting the location of forest single tree based on laser point cloud data,which provided a reference for the location and quantity statistics of single tree in forest resource survey.Through the registration of the collected forest ground point cloud data with the cloud data of each survey site using the reflector model,an improved voxel space neighborhood and RANSAC cylinder fitting method was proposed to extract the single tree position from three different size sample plots.The results showed that the single tree position extraction effect of this method was good,and the extraction accuracy was more than 93%.

Key words： laser point cloud; single tree position extraction; RANSAC cylinder fitting; larch

Cite this article

Qingan CAO , Yong ZUO , Yuanrong HE , Peng LENG . Location Extraction of Single Tree in Forest Based on Laser Point Cloud Data[J]. Forest and Grassland Resources Research, 2023 , 0(1) : 133 -140 . DOI: 10.13466/j.cnki.lyzygl.2023.01.016

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