Annular computed tomography

Details Annular computed tomography Annular computed tomography

1993-05-11

1994-05-17

Dzierzynski, Paul M.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

36441313, 36441314, 36441315, 364552, 378 20, 378901, G01N 2318, G01B 1506

Patent

active

053135130

ABSTRACT:
A Computed Tomography system for obtaining annular views of cylindrical octs, in which x-ray scanning is done of an annulus of the objects, and the computation necessary to derive the reconstructed image in polar coordinates is limited to the annulus of the objects, ignoring the other areas. Normalization is done to adjust the reconstructed image to the number of scans made of the various areas of the object.

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patent: 4725963 (1988-02-01), Taylor et al.
patent: 4888693 (1989-12-01), Tam
patent: 5027378 (1991-06-01), Fujii et al.
patent: 5060250 (1991-10-01), Kwee et al.
patent: 5210688 (1993-05-01), Cheu et al.

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