小光斑激光雷达数据估测森林树高研究进展

邢艳秋; 尤号田; 霍达; 孙小添; 王蕊

doi:10.13348/j.cnki.sjlyyj.2014.02.006

小光斑激光雷达数据估测森林树高研究进展

doi: 10.13348/j.cnki.sjlyyj.2014.02.006

东北林业大学森林作业与环境研究中心, 哈尔滨 150040

基金项目:

中央高校基本科研业务费专项资金支撑项目 DL12EB07

国家自然科学基金支撑项目 41171274

详细信息

作者简介:
邢艳秋（1970-），女，博导、教授，研究方向为3S技术及其应用、森工管理及林业信息工程.

通讯作者:
邢艳秋，E-mail：yanqiuxing@nefu.edu.cn

中图分类号: S758.5;S771.8
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- 被引次数: 0
出版历程
- 收稿日期: 2013-09-13
- 修回日期: 2013-11-18
- 刊出日期: 2014-04-01

Research Progress in Estimating Forest Tree Height Using Small Footprint Lidar Data

Center for Forest Operations and Environment, Northeast Forestry University, Harbin 150040, China

摘要

摘要: 小光斑激光雷达可以同时获得森林的垂直及水平结构参数，因光斑直径较小，可以做到森林单木结构参数的准确估计，进而推广到样方甚至更大区域森林结构参数的估计，近年来在林业中得到广泛应用。文中主要从树高估计方面对小光斑激光雷达在林业中的应用进行研究，通过对先前类似文献进行归纳总结发现，在小光斑激光雷达估测森林树高方面仍存在着一些问题，从而限制了森林树高估测精度的提高，如点云分类算法、点云密度、森林郁闭度、单木的准确分割等，还对小光斑激光雷达估计森林树高中所存在的问题进行了概括，并提出了改进建议。
- 小光斑激光雷达 /
- 树高估测 /
- 点云密度 /
- 单木分割
Abstract: Small footprint LiDAR can simultaneously get both vertical and horizontal forest structure parameters and help accurately estimate the structural parameters of single tree owing to its smaller footprint size, and therefore it can be used in plots and even larger regions. Because of this, it has been widely used in forestry in recent years. This paper studied the tree height estimate using small footprint LiDAR. Based on literature reviews, the problems limiting the accuracy of forest tree height estimate were listed, including point cloud classification algorithm, point cloud density, forest canopy density, individual tree segmentation and so on. Finally, some solutions to the problems were put forward.
- small footprint LiDAR /
- tree height /
- point cloud density /
- individual tree segmentation

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参考文献(19)

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