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Analysis of Terrain by LIDAR Data  

Kang, Joon-Mook (충남대 토목공학과)
Yoon, Hee-Cheon (충남대 토목공학과)
Min, Kwan-Sik (충남대 토목공학과)
We, Gwang-Jae (성균관대 건설환경시스템공학부)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.24, no.5, 2006 , pp. 389-397 More about this Journal
Abstract
The purpose of the present paper is to offer an analysis of LiDAR data processing and three dimensional terrain for Geographic Information System (CIS) applications. Generally, LiDAR survey is the method which obtains quantitative and qualitative information of the terrain using airborne laser scanning (ALS). We will get a most topographic data at a Triangular Irregular Network (TIN), Digital Surface Model (DSM) and Digital Elevation Model (DEM) using LiDAR data. We examined many factors such as visibility, hillshade, aspect and slope using DEM and DSM. The analyzing results obtained from each item are thought to be regarded as leading factors in the terrain analysis. It is to be hoped that LiDAR survey will contribute a new approach to the terrain analysis.
Keywords
LiDAR; GIS; airborne laser scanning; TIN; DSM; DEM;
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