Acquisition and reconstruction of projection data using a...

Details Acquisition and reconstruction of projection data using a... Acquisition and reconstruction of projection data using a...

2007-03-20

2009-11-10

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S009000, C378S019000

Reexamination Certificate

active

07616731

ABSTRACT:
Systems and methods are provided for acquiring and reconstructing projection data that is mathematically complete or sufficient using a computed tomography (CT) system having stationary distributed X-ray sources and detector arrays. In one embodiment, a non-sequential activation is employed to acquire mathematically complete or sufficient projection data. In another embodiment, a distributed source is provided as a generally semicircular segment. In such an embodiment, an alternating activation scheme may be employed to allow one or more helices of image data to be acquired.

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