Sampling in volumetric computed tomography

Details Sampling in volumetric computed tomography Sampling in volumetric computed tomography

2006-09-05

2006-09-05

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

07103138

ABSTRACT:
A volumetric computed tomography method includes translating a discrete element x-ray source and detector relative to the patient or object in a z-direction parallel to the axis of rotation. As the source rotates through the angles of a single rotation, it is simultaneously translated by a distance comparable to the discrete spacing distance between individual source elements in the z-direction. The small translation is designed so that the axial planes passing through discrete source element rows are not distinguished from axial planes passing between the discrete source element rows, thereby eliminating the z-dependence of the system and associated sampling problems.

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patent: 2005/0100126 (2005-05-01), Mistretta et al.

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