디지털 입체 항공사진의 영역기반매칭법에 의한 갯벌 DEM 제작 = DEM Generation of Tidal Flat by the Area Based Matching Method Using Digital Aerial Stereo Images

다국어 초록 (Multilingual Abstract)

The purpose of this study is to produce digital elevation model (DEM) in the Jebu tidal flat, one of the west coast of the Korean Peninsula, by means of photogrammetric techniques from aerial digital stereo-images. Produced DEM would be become the fundamental data for change detection of the sediment and erosion. To do so, epipolar line is established by relative orientation. Area-based matching is then carried out based on this line and matching size according to surface property of tidal flat after a classified image is produced from reflectance and texture of the surface. As the results, DEM generated by the proposed method showed subtle changes in height more precisely than DEM using the fixed matching size and DEM by the commercial S/W in the region, such as tidal flats having few level differences.

참고문헌 (Reference)

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