机载激光雷达森林参数估算方法综述

林业资源管理 ›› 2011, Vol. 0 ›› Issue (4): 117-121.

机载激光雷达森林参数估算方法综述

段祝庚^1,2, 肖化顺¹

1.中南林业科技大学理学院,长沙 410004;
2.中南大学地球科学与信息物理学院,长沙 410083

收稿日期:2011-03-28 修回日期:2011-05-16 出版日期:2011-08-28 发布日期:2020-12-21
作者简介:段祝庚(1969-),男,湖南邵阳,副教授,博士,主要从事LiDAR林业信息工程研究工作。Email:dzg47336628@163.com
基金资助:
中南林业科技大学校青年科研基金项目(07021B)

Review of Methods for Forest Parameter Estimation with LiDAR

DUAN Zhugeng^1,2, XIAO Huashun¹

1. School of Sciences,Central South University of forestry and Technology,Changsha 410004,China;
2. School of GeoSciences and Info-Physics,Central South University,Changsha 410083,China

Received:2011-03-28 Revised:2011-05-16 Online:2011-08-28 Published:2020-12-21

摘要/Abstract

摘要： 综述了机载激光雷达(LiDAR)在森林树高、郁闭度、蓄积量等参数估算中的应用,并对森林参数的估算精度及其影响因素进行了总结和分析。重点总结了目前机载激光雷达在森林参数估算中采用的如基于几何特性的点云数据滤波方法、基于强度信息森林参数提取方法、全波形数据的处理方法及LiDAR与多光谱影像数据融合关键技术,阐述了其现状及各自应用范围和存在的问题。

关键词: LiDAR, 森林参数, 点云滤波, 强度信息, 全波形, 数据融合

Abstract: This paper summarizes the application of forest parameter estimation with the airborne laser radar,such as tree height,canopy density,growing stock,biomass and so on. Accuracy of forest parameters estimated and its influencing factors is summarized and analyzed. The key technologies are summarized about forest parameters estimated based on airborne laser radar data,such as methods of filtering points cloud based on geometric characteristics of LiDAR data,methods for forest parameters estimated based on the intensity information,methods of processing the full-wave form LiDAR data and fusion technique between LiDAR data and multi-spectral imaging. The paper described their status,scopes of their application and problems.

Key words: LiDAR, forest parameters, points cloud, intensity information, full-wave form, data fusion

中图分类号:

TP7
S757.2

段祝庚, 肖化顺. 机载激光雷达森林参数估算方法综述[J]. 林业资源管理, 2011, 0(4): 117-121.

DUAN Zhugeng, XIAO Huashun. Review of Methods for Forest Parameter Estimation with LiDAR[J]. FOREST RESOURCES WANAGEMENT, 2011, 0(4): 117-121.

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