Radiation computed tomography apparatus

Details Radiation computed tomography apparatus Radiation computed tomography apparatus

1997-01-03

1998-11-17

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378901, A61B 603

Patent

active

058387560

ABSTRACT:
A radiation CT apparatus comprises a radiation source for irradiating a subject with radiations, detection section having at least two detector columns to detect radiations allowed to pass through the subject, section for obtaining data to be backprojected in accordance with data detected by the detection section, and image reconstruction section for reconstructing a transmitted image of the subject, wherein the image reconstructing section includes first backprojection section for backprojecting detected data to a predetermined centering plane, and second backprojection section for backprojecting data backprojected to the centering plane to the voxels corresponding to backprojected data.

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L. A. Feldkamp, et al. "Practical Cone-Beam Algorithm", J. Optical Society of America, vol. 1, No. 6, (pp. 612-619), Jun., 1984.

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