Imaging tomography apparatus with two acquisition systems in...

Details Imaging tomography apparatus with two acquisition systems in... Imaging tomography apparatus with two acquisition systems in...

2006-10-31

2006-10-31

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S207000

Reexamination Certificate

active

07130369

ABSTRACT:
In a tomography apparatus and method for obtaining correction values for two measurement planes, wherein the tomography apparatus an acquisition system disposed in a first measurement plane and a second acquisition system disposed in a second measurement plane that are disposed in the azimuthal direction around a common rotation axis, position correction values for both measurement planes are determined for a substantially constant rotation angle speed of the two acquisition systems using measurement values calculated at a rotation angle position of a reference object that can be introduced into both measurement planes. An artifact-free reconstruction of a slice or volume image can be made using the position correction values.

REFERENCES:
patent: 4384359 (1983-05-01), Franke
patent: 4991190 (1991-02-01), Mori
patent: 6421412 (2002-07-01), Hsieh et al.
patent: 6866419 (2005-03-01), Toth
patent: 29 16 848 (1979-11-01), None
patent: 196 15 456 (1997-10-01), None

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