X-ray or gamma ray systems or devices – Accessory – Testing or calibration
Patent
1998-04-07
1999-12-14
Bruce, David Vernon
X-ray or gamma ray systems or devices
Accessory
Testing or calibration
378 56, G01D 1800
Patent
active
060008474
ABSTRACT:
In a method and apparatus for scatter-glare correction in x-ray diagnostic images from a patient, a densitometric calibration phantom that reduces x-ray beam hardening effects. The calibration phantom is constructed from x-ray absorbing specks narrower than the x-ray aperture but thicker in the x-ray direction than the half-value thickness for diagnostic energy photons, the specks being aligned with the fan beams of x-rays from the x-ray source.
REFERENCES:
patent: 5493601 (1996-02-01), Fivez et al.
Close Robert Alan
Whiting James Stuart
Bruce David Vernon
Cedars-Sinai Medical Center
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