title: Computer assisted MTF determination in CT.
abstract: A series of computer programs have been written to analyze a scan of the AAPM CT performance phantom resolution insert with little operator assistance. A representative analysis is done on a scan from an AS&E scanner as an example. Its point spread function, edge response function and modulation transfer function are presented.
mesh_terms: D003201:Computers; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014894:Weights and Measures