Title :
Accuracy of Incoherent Speckle Tracking for Circular Gaussian Signals
Author :
De Zan, Francesco
Author_Institution :
German Aerosp. Center (DLR), Wessling, Germany
Abstract :
This letter provides a formula for the accuracy of incoherent speckle tracking (intensity cross-correlation) of homogeneous patches. The result is based on the determination of the curvature of the cross-correlation function and the noise which affects its first derivative.
Keywords :
Gaussian processes; optical correlation; synthetic aperture radar; circular Gaussian signals; homogeneous patches; incoherent speckle tracking; intensity cross-correlation; synthetic aperture radar; Coherent cross-correlation; SAR interferometry; delay estimation; speckle tracking; synthetic aperture radar (SAR);
Journal_Title :
Geoscience and Remote Sensing Letters, IEEE
DOI :
10.1109/LGRS.2013.2255259
