Generalized measure of image quality in medical X-ray imaging

Details Generalized measure of image quality in medical X-ray imaging Generalized measure of image quality in medical X-ray imaging

2007-11-20

2007-11-20

Werner, Brian P. (Department: 2624)

Image analysis

Applications

Biomedical applications

C382S264000, C382S280000

Reexamination Certificate

active

11058025

ABSTRACT:
A method for defining image quality characteristics of X-ray based medical projection imaging devices is provided. A spatial frequency-dependent signal-to-noise ratio function includes image quality parameters of spatial resolution, object contrast and noise. The detectability of an object embedded into a defined background, such as a cardiac guide wire in a patient is determined. An X-ray system may be defined and set up for obtaining an optimized image quality to determine the best object detectability for a given patient dose.

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