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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Reinartz, P. Muller, R. Suri, S. Schneider, M. Schwind, P. Bamler, R. |
| Copyright Year | 2009 |
| Description | Author affiliation: German Aerospace Center (DLR), Remote Sensing Technology Institute, D-82234 Wessling, Germany (Reinartz, P.; Muller, R.; Suri, S.; Schneider, M.; Schwind, P.; Bamler, R.) |
| Abstract | The very high geometric accuracy of geocoded data of the TerraSAR-X satellite has been shown in several investigations. It is due to the fact that it measures distances which are mainly dependent on the position of the satellite and the terrain height. If the used DEM is of high accuracy, the resulting geocoded data are very precise. This precision can be used to improve the exterior orientation and thereby the geometric accuracy of optical satellite data. The technique used is the measurement of identical points in the images, either by manual measurements or through local image matching using mutual information and to estimate improvements for the attitude data through this information. By adjustment calculations falsely matched points can be eliminated and an optimal improvement can be found. The optical data are orthorectified using these improvements and the available DEM. The results are compared using conventional ground control information from GPS measurements. |
| File Size | 208677 |
| File Format | |
| ISBN | 9781424433940 |
| DOI | 10.1109/IGARSS.2009.5417738 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-12 |
| Publisher Place | South Africa |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Optical sensors Geometrical optics Satellites Spaceborne radar Laser radar Radar antennas Manuals Image matching Global Positioning System Optical control Improvement of Orientation Orthoimages TerraSAR-X Ground Control Matching |
| Content Type | Text |
| Resource Type | Article |
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