An Improved Top-Hat Filter with Sloped Brim for Extracting Ground Points from Airborne Lidar Point Clouds

Airborne light detection and ranging (lidar) has become a powerful support for acquiring geospatial data in numerous geospatial applications and analyses. However, the process of extracting ground points accurately and effectively from raw point clouds remains a big challenge. This study presents a...

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Bibliographic Details
Main Authors: Yong Li, Bin Yong, Huayi Wu, Ru An, Hanwei Xu
Format: Article
Language:English
Published: MDPI AG 2014-12-01
Series:Remote Sensing
Subjects:
Online Access:http://www.mdpi.com/2072-4292/6/12/12885