Fast Iterative Image Restoration with a Spatially-Varying PSF
Nagy, James G.
O'Leary, Dianne P.
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We describe how to efficiently apply a spatially-variant blurring operator using linear interpolation of measured point spread functions. Numerical experiments illustrate that substantially better resolution can be obtained at very little additional cost compared to piecewise constant interpolation. (Also cross-referenced as UMIACS-TR-97-53)