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3D analysis of scattering effects based on Ray Tracing techniques

Auer, Stefan and Zhu, Xiao Xiang and Hinz, Stefan and Bamler, Richard (2009) 3D analysis of scattering effects based on Ray Tracing techniques. IEEE. IGARSS 2009, 12-17 July 2009, Cape Town, South Africa. ISBN 978-1-4244-3394-0.

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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5418256&tag=1

Abstract

The side-looking geometry of SAR sensors hampers the interpretation of SAR images of urban areas. Simulation tools for illuminating 3D models of man-made objects by means of a virtual sensor support the interpretation of scattering effects by providing artificial images in the azimuth-range plane. In this paper, a simulation approach is presented which extends SAR simulation to three dimensions in order to focus detected intensity contributions in azimuth, range and elevation. Based on the simulation output, a concept for creating scatterer histograms displaying the number of scatterers within one resolution cell is introduced. Methods for analyzing simulated elevation data by means of selected slices are presented for an urban test site. Eventually, the number of scatterers extracted for a selected pixel by tomographic analysis, using a stack of spotlight TerraSAR-X images, is confirmed by results provided by the simulator.

Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:3D analysis of scattering effects based on Ray Tracing techniques
Authors:
AuthorsInstitution or Email of Authors
Auer, StefanTUM-LMF
Zhu, Xiao XiangDLR-IMF
Hinz, StefanKIT
Bamler, RichardDLR-IMF
Date:July 2009
Refereed publication:No
Page Range:pp. 1-4
Publisher:IEEE
ISBN:978-1-4244-3394-0
Status:Published
Keywords:3D SAR , Ray Tracing , SAR Simulation , SAR Tomography , TerraSAR-X
Event Title:IGARSS 2009
Event Location:Cape Town, South Africa
Event Type:international Conference
Event Dates:12-17 July 2009
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Xiao Xiang Zhu
Deposited On:13 Jul 2012 07:20
Last Modified:06 May 2013 15:20

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