Research on extracting multi-layer roof boundary from LIDAR point clouds

doi:10.3778/j.issn.1002-8331.2010.32.039

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (32): 141-143.DOI: 10.3778/j.issn.1002-8331.2010.32.039

• 图形、图像、模式识别 • Previous Articles Next Articles

Research on extracting multi-layer roof boundary from LIDAR point clouds

XU Jing-zhong，YAO Fang

School of Remote Sensing and Information Engineering，Wuhan University，Wuhan 430079，China

Received:2010-05-10 Revised:2010-08-23 Online:2010-11-11 Published:2010-11-11
Contact: XU Jing-zhong

LIDAR点云中多层屋顶轮廓线提取方法研究

徐景中，姚芳

武汉大学遥感信息工程学院，武汉 430079

通讯作者: 徐景中

Abstract

Abstract: Based on the analysis of existing building boundary extraction method，the article proposes a method of extracting building boundaries directly from LIDAR point clouds，in consideration of characteristics of roofs with multi-layer and irregular shapes.The process consists of a sequence of steps：identify roof points；extract building boundary；and regularize the boundary.Buildings with multi-layer and irregular roof shape are used to evaluate the proposed approach and results show the promising capability of extracting building boundary from point cloud data.

Key words: LIght Detection And Range（LIDAR）, building, boundary, regularization

摘要： 在分析LIDAR数据提取建筑物轮廓线现状的基础上，针对多层、非规则屋顶轮廓线提取的难点，提出一种直接基于离散点云的屋顶轮廓线提取方法，该方法主要包括屋顶点的识别，初始轮廓线的提取以及轮廓线的规则化等步骤。最后采用实地数据进行验证，结果表明该方法具有一定的应用前景。

关键词: 机载激光雷达, 建筑物, 轮廓线, 规则化

CLC Number:

TP75

XU Jing-zhong，YAO Fang. Research on extracting multi-layer roof boundary from LIDAR point clouds[J]. Computer Engineering and Applications, 2010, 46(32): 141-143.

徐景中，姚芳. LIDAR点云中多层屋顶轮廓线提取方法研究[J]. 计算机工程与应用, 2010, 46(32): 141-143.

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Research on extracting multi-layer roof boundary from LIDAR point clouds

LIDAR点云中多层屋顶轮廓线提取方法研究

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