Automatic Determination Of Image Quality Parameters In Digital Radiographic Imaging Systems

Martin Brok; Cornelis H. Slump

doi:10.1117/12.953209

1 May 1989 Automatic Determination Of Image Quality Parameters In Digital Radiographic Imaging Systems

Martin Brok, Cornelis H. Slump

Proceedings Volume 1090, Medical Imaging III: Image Formation; (1989) https://doi.org/10.1117/12.953209
Event: Medical Imaging III, 1989, Newport Beach, CA, United States

Abstract

It is shown, that the Image Quality parameters, Modulation Transfer Function (MTF) and noise can be evaluated digitally with high accuracy. The systems MTF is measured by the use of a 5 slits phantom. Simulation studies are showing the optimal phantom dimension and indicate the expected precision of the measurement. By comparison studies with conventional techniques the MTF measurement procedure is validated for the effects of pixel coarseness, noise and limiting resolution. An analytical expression for signal-to-noise ratio in a digital radiographic system is developed. Predicted values are compared with measured data.

Citation Download Citation

Martin Brok and Cornelis H. Slump "Automatic Determination Of Image Quality Parameters In Digital Radiographic Imaging Systems", Proc. SPIE 1090, Medical Imaging III: Image Formation, (1 May 1989); https://doi.org/10.1117/12.953209

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