Calibration of Constant Angular Error for High Resolution Remotely Sensed Imagery
The rigorous geometric model based on the collinearity equations is the basic model for object positioning of high resolution remotely sensed imagery. The location precision is strongly relevant to the ephemeris and attitude data. However, the quality of attitude data acquired by modern stellar came...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Surveying and Mapping Press
2008-01-01
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| Series: | Acta Geodaetica et Cartographica Sinica |
| Subjects: | |
| Online Access: | http://xb.sinomaps.com:8081/Jwk_chxb/CN/abstract/abstract5393.shtml |
| Summary: | The rigorous geometric model based on the collinearity equations is the basic model for object positioning of high resolution remotely sensed imagery. The location precision is strongly relevant to the ephemeris and attitude data. However, the quality of attitude data acquired by modern stellar camera is still difficult to satisfy the requirement of direct location. In this paper a calibration model of constant angular error is introduced to enhance attitude precision by few ground control points (CCP) . The calibration model was tested on SPOT-5 and QuickBird imageries and both have proved its practicality and efliciency. An object positioning accuracy of 4 pixels in planimetry was achieved
after calibrating and correcting the constant angular error by using single GCP. |
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| ISSN: | 1001-1595 1001-1595 |