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SAR image coregistration based on isolated point scatterers

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1 Author(s)
Serafino, F. ; Ist. per il Rilevamento Elettromagnetico dell''Ambiente, CNR, Napoli

This work considers a technique for fast and accurate coregistration of multipass synthetic aperture radar images based on isolated point scatterers analysis. Several tests, carried out on real data acquired by the European Remote Sensing and Envisat satellites, are presented to demonstrate the registration accuracy improvements with respect to standard cross-correlation techniques, carried out on extended image patches. Particularly relevant is the robustness of this technique also in presence of a large baseline span and in case of high temporal separation

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Geoscience and Remote Sensing Letters, IEEE  (Volume:3 ,  Issue: 3 )