Operating method for an X-ray apparatus, operating method...

Details Operating method for an X-ray apparatus, operating method... Operating method for an X-ray apparatus, operating method...

2006-09-08

2008-09-23

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S016000

Reexamination Certificate

active

07428291

ABSTRACT:
An X-ray apparatus has a recording assembly and a control device. The recording assembly has an X-ray source and detector, an aperture device, and a swiveling axis. An object having an object area constant and an object area changing over time is arranged that the object area changing over time is located in the vicinity of a crossover area of the swiveling axis and the connecting line from the X-ray source and the detector. The detector registers projections of the object and conveys projections to the control device. The aperture device is open wider during swiveling operations. A computer accepts the projections and determines a basic projection whose status information tallies with nominal status information and an additional projection having a wider opening of the aperture device than all other projections registered at the respective angular position. The computer determines a reconstruction projection based on the basic and additional projections.

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