Extraction of DEM of a Steep Terrain Feature using Air-borne Synthetic Aperture Radar (SAR) and its application.
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概要
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GSI has observed around Ito-City and Mt. Tsukuba using air-borne synthetic aperture radar (SAR) . It is found that accurate digital elevation models (DEMs) can be made, and we can produce a DEM with high data acquisition ratio even in steep topography by combining observations from several directions. As a result, DEMs with less than 10m accuracy in standard deviation were obtained from the both area and 94% of all the grids on the DEM around Mt. Tsukuba were collected through the combination. Further practices, such as, generating ortho images and 3-D images using visualized SAR data and the DEMs were also examined.
- 社団法人 日本写真測量学会の論文
社団法人 日本写真測量学会 | 論文
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