15 October 2012 Imaging from scattered fields: limited data and degrees of freedom
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Abstract
We describe how the number of degrees of freedom associated with a scattering experiment provides a guide to the minimum number of source and receiver locations required to image the scattering target. Since the number of degrees of freedom is approximately fixed, additional measurements do not necessarily improve the image fidelity in the absence of any prior knowledge. We illustrate these observations using a fast nonlinear inverse scattering method.
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R. Shane Ritter, R. Shane Ritter, Michael A. Fiddy, Michael A. Fiddy, } "Imaging from scattered fields: limited data and degrees of freedom", Proc. SPIE 8500, Image Reconstruction from Incomplete Data VII, 850007 (15 October 2012); doi: 10.1117/12.930838; https://doi.org/10.1117/12.930838
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