Methods and apparatus for imaging system quality readiness check

Details Methods and apparatus for imaging system quality readiness check Methods and apparatus for imaging system quality readiness check

1998-08-25

2000-06-13

Bruce, David V.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 19, 378901, A61B 603

Patent

active

06075835&

ABSTRACT:
The present invention, in one form, is an imaging system which, in one embodiment, utilizes scan data and DAS input signals to determine image quality. More specifically, and in one embodiment, by generating a ratio of data from two scans, a group of non-conforming detector cells may be identified. In addition, by comparing scans performed at different time frames, a trend of image quality is also determined. In addition, a group of non-conforming DAS channels may be identified by applying a range of known input signals. By comparing the an absolute gain ratio, the DAS performance is determined.

REFERENCES:
patent: 4472823 (1984-09-01), Waltham

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