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Planar Patch Extraction from LiDAR Data Using Optimal Parameter Selection  

Shin, Sung-Woong (한국전자통신연구원 공간정보연구팀)
Bang, Ki-In (지온텍코리아)
Cho, Woo-Sug (인하대학교 토목공학과)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.19, no.1, 2011 , pp. 97-103 More about this Journal
Abstract
LiDAR system has become a popular tool for generating 3D surface data such as Digital Surface Model. Extraction of valuable information, such as digital building models, from LiDAR data has been an attractive research subject. This research addresses to extract planar patches from LiDAR data. Planar patches are important primitives consisting of man-made objects such as buildings. In order to determine the best fitted planes, this research proposed a method to reduce/eliminate the impact of the outliers and the intersection areas of two planes. After finishing plane fitting, planar patches are segmented by pseudo color values which are calculated by determined three plane parameters for each LiDAR point. In addition, a segmentation procedure is conducted using the pseudo color values to find planar patches. This paper evaluates the feasibility of the proposed method using both airborne and terrestrial LiDAR data.
Keywords
LiDAR; plane fitting; segmentation; surface normal;
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