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Forest and Grassland Resources Research >

2018 , Vol. 0 >Issue 4: 125 - 132

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2018.04.020

Technical Application

Design and Application of Forest Detecting Based on Airborne Large-Footprint LiDAR System

  • Fayun WU ,
  • Xianlian GAO ,
  • Chao PAN ,
  • Zhongqiu SUN ,
  • Lidong WANG ,
  • Yingchun LIU
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  • 1. Academy of Forest Inventory and Planning of State Forestry Administration,Beijing 100714
    2. Beijing Institute of Telemetry,Beijing 100714,China

Received date: 2018-06-01

  Revised date: 2018-06-29

  Online published: 2020-09-25

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Abstract

LiDAR(Light Laser Detection and Ranging)are drawing more attention with its unique penetration for the detection of large areas of forest.Based on the large-footprint LiDAR system designed by Academy of Forest Inventory and Planning of State Forestry Administration and Beijing Telemetry Technology Research Institute,this paper introduced the working principle of the system,module composition,equipment installation,parameter design,data processing,etc.,and one flight test data of the system was analyzed.The results show that the waveform data obtained through this system can describe buildings,farmland and forest accurately.In addition,compared with the data collected by the small-footprint LiDAR,the overall average accuracy is 89.24%,which proves this system has a high precision in the description of maximum crown height.The result of paired sample T test with no significance of difference also proves the data obtained through the system has a unique performance of estimation in maximum canopy height of the forest.Therefore,the large-footprint LiDAR system can be used to estimate large areas of forest for maximum height,average height,crown density,biomass,volume,leaf area index and a series of forest parameters in the detection of forest in the future.

Key words： forestry; airborne; large-footprint LiDAR; design; application; maximum height

Cite this article

Fayun WU , Xianlian GAO , Chao PAN , Zhongqiu SUN , Lidong WANG , Yingchun LIU . Design and Application of Forest Detecting Based on Airborne Large-Footprint LiDAR System[J]. Forest and Grassland Resources Research, 2018 , 0(4) : 125 -132 . DOI: 10.13466/j.cnki.lyzygl.2018.04.020

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