Analysis of terrain data based on satellite imagery for aviation purposes

B. Eilmus; G. Heidelmeyer; U. Klingauf

doi:10.1117/12.738057

26 October 2007 Analysis of terrain data based on satellite imagery for aviation purposes

B. Eilmus, G. Heidelmeyer, U. Klingauf

Proceedings Volume 6744, Sensors, Systems, and Next-Generation Satellites XI; 67442G (2007) https://doi.org/10.1117/12.738057
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

Due to the regulation of the ICAO (International Civil Aviation Organization), which requires the provision of electronic terrain data with a certain quality by each contracting state for its territory, the demand for terrain data for aviation purposes increases. This regulation poses a problem particularly for developing and newly industrialising countries, which have not the financial resources for the generation of terrain data meeting the required specifications. Studies performed at the Institute of Flight Systems and Automatic Control at the Technische Universitaet Darmstadt show that a promising and cost-effective method to encounter this challenge is the use of high resolution optical satellite imagery with a stereoscopic coverage. This method can be performed without the acquisition of ground control points and leads by this to cost reductions. To validate this method, the accuracy of terrain data generated from satellite imagery is analysed. Due to the various available very high resolution satellites, the accuracy is not limited by the spatial resolution of the imagery, but principally by the accuracy of the geolocation. This is why furthermore methods are proposed that may help to increase the accuracy, to eliminate blunders as well as systematic errors and thus to enhance the reliability of the acquired terrain information in order to achieve applicability in aviation.

Citation Download Citation

B. Eilmus, G. Heidelmeyer, and U. Klingauf "Analysis of terrain data based on satellite imagery for aviation purposes", Proc. SPIE 6744, Sensors, Systems, and Next-Generation Satellites XI, 67442G (26 October 2007); https://doi.org/10.1117/12.738057

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KEYWORDS

Satellites

Earth observing sensors

Satellite imaging

High resolution satellite images

Image resolution

Data acquisition

Sensors

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