Method and apparatus and computer program product for...

Details Method and apparatus and computer program product for... Method and apparatus and computer program product for...

2005-08-23

2005-08-23

Bruce, David V (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000, C378S901000

Reexamination Certificate

active

06934352

ABSTRACT:
A 3-D subject is irradiated by an x-ray source at a number of source positions relative to the 3-D subject. A 2-D image of the irradiated subject is recorded by an x-ray detector at a number of corresponding detector positions relative to the subject. An evaluation unit, using the source and the detector positions, automatically determines whether a 3-D reconstruction of the subject is possible. As soon as this is the case, the abort criterion for recording images of the subject is fulfilled, so no further images or data are acquired.

REFERENCES:
patent: 5612985 (1997-03-01), Toki et al.
patent: 5671265 (1997-09-01), Andress
patent: 6028907 (2000-02-01), Adler et al.
“Image Reconstruction from Projections: The Fundamentals of Computerized Tomography,” Herman (1980) pp. 90-107 and 180-205.
“Discrete Tomography: Foundations, Algorithms and Applications,” Herman et al. (1999) pp. 3-33 and 285-296.
“Numerical Linear Algebra,” Trefethen et al. (1997) pp. 25-31 and 89-96.
“Introductory Techniques for 3-D Computer Vision,” Trucco et al., (1999) pp. 123-138.
“Visualisierung: Grundlagen un allgemeine Methoden,” Schumann et al., (2000) pp. 251-306.
“Multiple View Geometry in Computer Vision,” Hartley et al, (2000) pp. 441-482.
“Convergence of the Simultaneous Algebraic Reconstruction Technique (SART)” Jiang et al., Micro-CT Laboratory, Department of Radiology, University of Iowa (May 7, 2002).

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