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Correction of Mt. Baekdu DEM Generated from SPOT-5 Stereo Images  

Lee, Hyo-Seong (순천대학교 공과대학 토목공학과)
Ahn, Ki-Weon (경상대학교 공과대학 토목공학과)
Park, Byung-Uk (한경대학교 공과대학 토목공학과)
Oh, Jae-Hong (오하이오주립대학교)
Han, Dong-Yeob (전남대학교 공학대학 해양토목공학과)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.28, no.5, 2010 , pp. 555-560 More about this Journal
Abstract
The geoscientists are very interested in a volcanic reactivity of Mt. Baekdu. Periodical observation and monitoring are thus needed to detect the topographic and environmental changes of Mt. Baekdu. It is, however, very restrictive to survey with difficulty of observer's accessibility in the field due to political problems. This study therefore is to produce digital elevation model (DEM) of Mt. Baekdu using SPOT-5 stereo images. The produced DEM is very not accurate because of using without ground control points (GCP). To correct the previously generated DEM, scale-invariant feature transform(SIFT) matching method is adopted with shuttle radar topography mission(SRTM) DEM of NASA Jet Propulsion Laboratory(JPL). The results of the produced DEM to SRTM DEM matching indicate that the corrected DEM from SPOT-5 stereo images has more detail topographic structures. In addition, difference of spatial distances between the corrected DEM and SRTM DEM are much smaller than non-corrected DEM.
Keywords
Mt. Baekdu; SPOT-5 stereo images; DEM; SRTM; SIFT matching;
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Times Cited By KSCI : 2  (Citation Analysis)
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