孟峰,李海涛,吴侃

• 1:中国测绘科学研究院
• 2:中国矿业大学环境与测绘学院

摘要(Abstract)：

传统的房屋建模主要采用航空航天立体影像来获取房屋的3维数据,通过在数字摄影测量系统上进行立体量测来实现。这种方式费时、费力、周期比较长,影响了成果的现势性。机载激光雷达可直接、快速获取大面积地表点的三维坐标信息,为建筑物特征线提取和建模带来了便利。以往基于LIDAR点云数据进行建筑物特征线提取,大多只是针对简单的平顶房屋和人字型房屋。本文提出了一种能够精确提取建筑物特征线的方法,通过建筑物区域确定、建筑物顶面分类,能够实现诸如平面、斜面和多层次建筑物特征线提取的方法。

关键词(KeyWords)： 特征线;DSM影像;顶面分类;等高线追踪;平面相交

Abstract:

Keywords:

基金项目(Foundation): 地理空间信息工程国家测绘局重点实验室开放研究课题(编号:200601)

作者(Author): 孟峰,李海涛,吴侃

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