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Proceedings Paper

Mapping detailed 3D information onto high resolution SAR signatures
Author(s): H. Anglberger; R. Speck
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Paper Abstract

Due to challenges in the visual interpretation of radar signatures or in the subsequent information extraction, a fusion with other data sources can be beneficial. The most accurate basis for a fusion of any kind of remote sensing data is the mapping of the acquired 2D image space onto the true 3D geometry of the scenery. In the case of radar images this is a challenging task because the coordinate system is based on the measured range which causes ambiguous regions due to layover effects. This paper describes a method that accurately maps the detailed 3D information of a scene to the slantrange-based coordinate system of imaging radars. Due to this mapping all the contributing geometrical parts of one resolution cell can be determined in 3D space. The proposed method is highly efficient, because computationally expensive operations can be directly performed on graphics card hardware. The described approach builds a perfect basis for sophisticated methods to extract data from multiple complimentary sensors like from radar and optical images, especially because true 3D information from whole cities will be available in the near future. The performance of the developed methods will be demonstrated with high resolution radar data acquired by the space-borne SAR-sensor TerraSAR-X.

Paper Details

Date Published: 1 May 2017
PDF: 9 pages
Proc. SPIE 10188, Radar Sensor Technology XXI, 1018807 (1 May 2017); doi: 10.1117/12.2263741
Show Author Affiliations
H. Anglberger, German Aerospace Ctr. (Germany)
R. Speck, German Aerospace Ctr. (Germany)

Published in SPIE Proceedings Vol. 10188:
Radar Sensor Technology XXI
Kenneth I. Ranney; Armin Doerry, Editor(s)

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