Automatic determination of image quality parameters in digital radiographic imaging systems

Martin Brok; Cornelis H. Slump

doi:10.1117/12.953209

Automatic determination of image quality parameters in digital radiographic imaging systems

Martin Brok, Cornelis H. Slump

Research output: Contribution to journal › Article › Academic › peer-review

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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.

Original language	English
Pages (from-to)	246-256
Number of pages	11
Journal	Proceedings of SPIE - the international society for optical engineering
Volume	1090
DOIs	https://doi.org/10.1117/12.953209
Publication status	Published - 1 May 1989
Externally published	Yes
Event	SPIE Medical Imaging 1989 - Newport Beach, United States Duration: 29 Jan 1989 → 3 Feb 1989

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AU - Slump, Cornelis H.

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AB - 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.

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JF - Proceedings of SPIE - the international society for optical engineering

T2 - SPIE Medical Imaging 1989

Y2 - 29 January 1989 through 3 February 1989

ER -

Automatic determination of image quality parameters in digital radiographic imaging systems

Abstract

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