Accuracy assessments of Göktürk-1 satellite imagery
| Autor: | Damla Yüce, Ertuğrul Avşar, Hasan Güner, Altan Yilmaz, Gökhan Arasan, Orhan Firat, Kemal Ayğan |
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| Rok vydání: | 2020 |
| Předmět: |
lcsh:QB275-343
Geospatial analysis Computer science Orientation (computer vision) göktürk-1 lcsh:Geodesy Orthophoto Engineering Multidisciplinary Mühendislik Ortak Disiplinler General Medicine satellite imagery computer.software_genre lcsh:TA1-2040 lcsh:Engineering geology. Rock mechanics. Soil mechanics. Underground construction Temporal resolution lcsh:TA703-712 Satellite imagery Satellite Göktürk-1 Satellite Imagery Orthoimage Orthorectification Digital Surface Model Geometric Accuracy lcsh:Engineering (General). Civil engineering (General) Digital elevation model Image resolution computer Remote sensing |
| Zdroj: | International Journal of Engineering and Geosciences, Vol 5, Iss 3, Pp 160-168 (2020) Volume: 5, Issue: 3 160-168 International Journal of Engineering and Geosciences |
| ISSN: | 2548-0960 |
| DOI: | 10.26833/ijeg.650899 |
| Popis: | Optical satellite imagery has an important place today in terms of responding to the increasing need for geospatial base in many different fields and disciplines, especially because of their availability and temporal resolution. Because all kinds of geospatial information and data production processes such as orthoimages, maps, vector data and etc. in especially for large project areas provide the opportunity to reduce the cost and time required in the field work, so the interest in high resolution satellite imagery. Göktürk-1, an electro-optical satellite that was launched on December 5, 2016 and acquiring 0.50 m spatial resolution imagery, aims to meet the high resolution image requirements of Turkey. In this study, the horizontal and vertical accuracy of the Digital Surface Model and orthoimages produced by different methods from stereo images obtained from Göktürk-1 satellite in two different regions were investigated. As a result, although the pointing accuracy and the Digital Surface Model accuracy produced from Göktürk-1 satellite imagery, will vary according to the incidence angle of Göktürk-1 satellite, the Digital Terrain Model used in the production of the orthoimage, the selected method for orientation of satellite imagery; a planimetric accuracy of better than ± 2 m RMSE in orthoimage and a height accuracy of better than ± 3 m RMSE is accomplished. |
| Databáze: | OpenAIRE |
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