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Proceedings Paper

Image registration in interferometric SAR
Author(s): Gianfranco Fornaro; Giorgio Franceschetti
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Paper Abstract

Image registration in interferometric synthetic aperture radar (SAR) applications is necessary to improve the interferogram quality and in turn the resulting DEM accuracy. This paper deals with a new image registration procedure implemented at raw data processing stage: the two complex SAR images are generated with respect to a common reference output system. All the registration task is achieved via scaling and shifting compensation that can be efficiently and easily included in a standard SAR processing code. An algorithm to estimate the correct processing parameters, whenever the orbital information is inaccurate, is also presented and is based on the relation between spectral shift and linear stretch of the two images. Examples on real and simulated data validate the presented procedure.

Paper Details

Date Published: 21 November 1995
PDF: 11 pages
Proc. SPIE 2584, Synthetic Aperture Radar and Passive Microwave Sensing, (21 November 1995); doi: 10.1117/12.227143
Show Author Affiliations
Gianfranco Fornaro, Univ. di Napoli (Italy)
Giorgio Franceschetti, Univ. di Napoli and IRECE/CNR (Italy)


Published in SPIE Proceedings Vol. 2584:
Synthetic Aperture Radar and Passive Microwave Sensing
Giorgio Franceschetti; Christopher John Oliver; James C. Shiue; Shahram Tajbakhsh, Editor(s)

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