Method and apparatus for generating radon derivative data on a n

Details Method and apparatus for generating radon derivative data on a n Method and apparatus for generating radon derivative data on a n

1994-06-06

1995-11-07

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378901, A61B 603, G01N 2308

Patent

active

054652839

ABSTRACT:
The present invention discloses a method and apparatus for generating Radon derivative data on locations proximate to a near uniformly spaced polar grid in a digitized Radon space for a cone beam computerized tomography (CT) implementation. Radon derivative data is determined for uniformly spaced coordinates in r, .theta. and .phi. directions.

REFERENCES:
patent: 5257183 (1993-10-01), Tam
patent: 5270926 (1993-12-01), Tam
patent: 5333164 (1994-07-01), Tam
patent: 5355309 (1994-10-01), Eberhard et al.
patent: 5365560 (1994-11-01), Tam
"Image Reconstruction From Cone-Beam Projections: Necessary and Sufficient Conditions and Reconstruction Methods" by Bruce D. Smith, IEEE Trans on Medical Imaging, vol. MI-4, No. 1, Mar. 1985, pp. 14-25.

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