引用方式: Hirano, A. , Welch, R. , & Lang, H. . (2003). Mapping from aster stereo image data: dem validation and accuracy assessment. ISPRS Journal of Photogrammetry and Remote Sensing, 57(5), 356-370.
| 文献信息 | |
| 标题 | Mapping from ASTER stereo image data: DEM validation and accuracy assessment |
| 年份 | 2003 |
| 出版社 | ISPRS Journal of Photogrammetry and Remote Sensing |
| 链接 | |
| 语言 | en |
| DOI | 10.1016/S0924-2716(02)00164-8 |
| 摘要 | The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on-board the National Aeronautics and Space Administration's (NASA's) Terra spacecraft provides along-track digital stereo image data at 15-m resolution. As part of ASTER digital elevation model (DEM) accuracy evaluation efforts by the US/Japan ASTER Science Team, stereo image data for four study sites around the world have been employed to validate prelaunch estimates of heighting accuracy. Automated stereocorrelation procedures were implemented using the Desktop Mapping System (DMS) software on a personal computer to derive DEMs with 30- to 150-m postings. Results indicate that a root-mean-square error (RMSE) in elevation between ±7 and ±15 m can be achieved with ASTER stereo image data of good quality. An evaluation of an ASTER DEM data product produced at the US Geological Survey (USGS) EROS Data Center (EDC) yielded an RMSE of ±8.6 m. Overall, the ability to extract elevations from ASTER stereopairs using stereocorrelation techniques meets expectations. |
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