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http://dx.doi.org/10.7848/ksgpc.2015.33.1.23

Mapping 3D Shorelines Using KOMPSAT-2 Imagery and Airborne LiDAR Data  

Choung, Yun Jae (Research Institute of Spatial Information Technology, GEO C&I Co., Ltd.)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.33, no.1, 2015 , pp. 23-30 More about this Journal
Abstract
A shoreline mapping is essential for describing coastal areas, estimating coastal erosions and managing coastal properties. This study has planned to map the 3D shorelines with the airborne LiDAR(Light Detection and Ranging) data and the KOMPSAT-2 imagery, acquired in Uljin, Korea. Following to the study, the DSM(Digital Surface Model) is generated firstly with the given LiDAR data, while the NDWI(Normalized Difference Water Index) imagery is generated by the given KOMPSAT-2 imagery. The classification method is employed to generate water and land clusters from the NDWI imagery, as the 2D shorelines are selected from the boundaries between the two clusters. Lastly, the 3D shorelines are constructed by adding the elevation information obtained from the DSM into the generated 2D shorelines. As a result, the constructed 3D shorelines have had 0.90m horizontal accuracy and 0.10m vertical accuracy. This statistical results could be concluded in that the generated 3D shorelines shows the relatively high accuracy on classified water and land surfaces, but relatively low accuracies on unclassified water and land surfaces.
Keywords
Coastal Zones; Shorelines; NDWI; LiDAR; KOMPSAT-2 Imagery;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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