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Tree species classification using intensity patterns from individual tree point clouds

delete2025-05-01
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PRE
AI
A
Andreas Tockner *
C
Christoph Gollob
S
Sarah Witzmann
T
Tim Ritter
A
Arne Nothdurft
DOI:10.1016/j.jag.2025.104502delete
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摘要

摘要

En 中文
个人激光扫描已发展成为获取森林中单木快速且精确生物量测量的尖端技术。然而,近期评估单木点云中树种标签的研究在复杂森林生态系统中准确性不足;此外,已发表研究中使用的机器学习方法的可解释性也不足。预测黑箱模型的预测是否受过度拟合影响,或是否基于特征物种性状往往不明确。为解决此问题,我们提出了一种结合随机森林模型与决策规则的简单分类器,该分类器以欧洲中部的9种常见树种为训练数据。可解释性元素包括基于分类概率的软分类器以及变量重要性和最小变量深度的详细分析。九个树种的总体分类准确率为89.8%,其中四个主要树种(云杉、松树、橡树和山毛榉)的准确率更高。树冠上部的强度测量值和树木几何比率是最重要的预测因子。本研究提出的方法有望通过解决前所未有的物种特异性研究问题,实现对森林生态系统更空间细节的分析。
Keyword:
Personal laser scanning
Random forest
Decision rules
Variable importance
Explainable artificial intelligence
XAI
PLS
GeoSLAM

期刊

International Journal of Applied Earth Observation and Geoinformation 封面图
International Journal of Applied Earth Observation and Geoinformation
IF:
8.6
论文数:
5.3K
被引数:
2.4W

机构

U
University of Natural Resources and Life Sciences Vienna
学者数:
120
论文数: 49
被引数: 11
引用论文

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