17 August 2000 Interferometric SAR to EO image registration problem
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Historically, SAR to EO registration accuracy has been at the multiple pixel level compared to sub-pixel EO to EO registration accuracies. This is due to a variety of factors including the different scattering characteristics of the ground for EO and SAR, SAR speckle, and terrain induced geometric distortion. One approach to improving the SAR to EO registration accuracy is to utilize the full information from multiple SAR surveys using interferometric techniques. In this paper we will examine this problem in detail with an example using ERS SAR imagery. Estimates of the resulting accuracy based on ERS are included.
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George W. Rogers, George W. Rogers, Arthur W. Mansfield, Arthur W. Mansfield, Houra Rais, Houra Rais, } "Interferometric SAR to EO image registration problem", Proc. SPIE 4050, Automatic Target Recognition X, (17 August 2000); doi: 10.1117/12.395561; https://doi.org/10.1117/12.395561

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