PubMed · 850513
Modulation transfer function of the EMI CT head scanner.
Abstract
The two-dimensional modulation transfer function [MTF(vx, vy)] has been determined for the EMI CT head scanner by measuring the point spread function (PSF) in different locations in the field of view. This PSF was obtained by scanning a fine wire supported perpendicular to the tomographic slice. Based on these MTFs, the resolving power of the EMI scanner was found to be 3.1 line pairs/cm. Our results also verify the symmetry of the system response and the uniformity of the system resolution.
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C J Bischof, J C Ehrhardt. Modulation transfer function of the EMI CT head scanner.. https://doi.org/10.1118/1.594305
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