Orientation of MOMS-02/D2 and MOMS-2P/PRIRODA imagery |
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| Institution: | 1. Chair for Photogrammetry and Remote Sensing, Technische Universität München (TUM), D-80290 Munich, Germany;2. German Aerospace Center (DLR) e.V., Institute for Optoelectronics, PO Box 1116, D-82230 Wessling, Germany;3. Elektroniksystem-und Logistik (ESG), System Development, Reconnaissance and Remote Sensing Systems, PO Box 800 569, D-81605 Munich, Germany;4. Starkstrom-Anlagen-Gesellschaft (SAG), Landshuter Str. 65, D-84030 Ergolding, .Germany;1. College of Geology Engineering and Geomatics, Chang’an University, 126 Yanta Road, Xi’an 710054, China;2. The 20th Research Institute of China Electronic, Technology Group Corporation, 1 Baisha Road, Xi’an 710068, China;3. German Research Centre for Geosciences (GFZ), Telegrafenberg, 14473 Potsdam, Germany;4. Technische Universität Berlin, Str. des 17. Juni 135, 10623 Berlin, Germany;1. Department of Precision Instrument, Tsinghua University, Beijing 100084, China;2. State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, China;3. Beijing Advanced Innovation Center for Integrated Circuits, Tsinghua University, Beijing 100084, China;1. Department of Computer Science and Information Engineering, Shanghai Institute of Technology, Shanghai, China;1. Beijing Air Navigation Center, Beijing 100094, PR China;2. Information Engineering University, Zhengzhou 450001, PR China;3. State Key Laboratory of Geo-Information Engineering, Xi’an 710054, PR China;4. Xi’an Technical Division of Surveying and Mapping, Xi’an 710054, PR China |
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| Abstract: | This paper deals with the orientation of three-line imagery which has been taken during the MOMS-02/D2 experiment in spring 1993, and during the MOMS-2P/PRIRODA mission since April 1996. The reconstruction of the image orientation is based on a combined adjustment of the complete image, ground control, orbit and attitude information. The combined adjustment makes use of the orientation point approach or the orbital constraints approach. In the second case, the bundle adjustment algorithm is supplemented by a rigorous dynamical modeling of the spacecraft motion. The results of the combined adjustment using MOMS-02/D2 imagery and control information of orbit #75b are presented. Based on the orientation point approach an empirical height accuracy of up to 4 m (0.3 pixel) is obtained. In planimetry the empirical accuracy is limited to about 10 m (0.7 pixel), since the ground control points (GCP) and check points could not be identified in the imagery with the required accuracy. Computer simulations on MOMS-2P/PRIRODA image orientation based on realistic input information have shown that good accuracies of the estimated exterior orientation parameters and object point coordinates can be obtained either with a single strip and a few precise GCP or even without ground control information, if a block of several overlapping and crossing strips with high geometric strength (q≈60%) is adjusted. |
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