首页|基于几何特征的机载雷达电力线三维模型重建方法

基于几何特征的机载雷达电力线三维模型重建方法

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本文基于激光点云,提出一种电力线自动提取与重建方法,首先,对点云进行滤波处理,从而为后续处理提供更为清晰的数据基础;其次,构建了一套几何特征评价方法,通过构建特征向量并评估每个特征的显著性,为各特征分配了归一化的评价分数,通过设定合理的分数阈值提取出电力线候选点集;最后,利用双重K-means算法,成功实现了电力线的提取。使用激光点云数据进行试验,结果表明,本文方法在电力线提取方面取得了显著成果,召回率和精确率均超过97%,充分体现该方法对电力线的高效、准确提取与重建能力。本文方法为电力线点云自动提取与重建领域的发展注入了新的动力,也为实际工程应用提供了技术支持。
3D model reconstruction method for airborne radar power lines based on geometric features
This paper introduced an automatic extraction and reconstruction method for power lines based on laser point clouds.Firstly,the point clouds were filtered to provide a clearer data foundation for subsequent processing.Secondly,a set of geometric feature evaluation methods was developed,which assigned normalized evaluation scores to each feature by constructing feature vectors and assessing the significance of each feature.By setting reasonable score thresholds,a candidate point set for power lines was extracted.Finally,the power lines were successfully extracted by using a dual K-means algorithm.Tests using laser point cloud data have shown that this method achieves remarkable results in power line extraction,with both recall and precision rates exceeding 97%.This fully demonstrates the method's efficient and accurate extraction and reconstruction capabilities for power lines.This method injects new vitality into the development of automatic extraction and reconstruction of power line point clouds and provides technical support for practical engineering applications.

airborne light detection and ranging(LiDAR)power line extractionprogressive triangulation filteringfeature evaluationdual K-means algorithm

张玉伟

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福建永福电力设计股份有限公司,福建 福州 350100

机载激光雷达 电力线提取 渐进三角网滤波 特征评价 双重K-means算法

2024

北京测绘
北京市测绘设计研究院,北京测绘学会

北京测绘

影响因子:0.55
ISSN:1007-3000
年,卷(期):2024.38(12)