X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1998-05-15
2000-02-22
Bruce, David Vernon
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378901, 382131, A61B 603
Patent
active
060289074
ABSTRACT:
A computer system and method solve the problem of getting a useful three-dimensional representation of an object like the spine using a small amount of data. This is done by gathering three-dimensional data in the form of a set of 2D computer tomography (CT) slices of a patient's bones and a coaxial set of 2D CT scout images, which are digital two-dimensional X-ray images that can be produced by a CT scanner; extracting from each of these three-dimensional data sets a corresponding stack of 2D contours; and constructing a 3D geometric model of the object. The main features of spinal deformation are captured by integrating these two sets of three-dimensional data, and constructing from them a three-dimensional geometric model of the spine. Scouts are usually used to monitor CT scan acquisition. Here, they are also used as an essential source of data.
REFERENCES:
patent: 4630203 (1986-12-01), Szirtes
Adler Roy Lee
Kalvin Alan David
Margulies Joseph Y.
Tresser Charles P.
Wu Chai Wah
Bruce David Vernon
International Business Machines - Corporation
Percello Louis J.
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