Method for the acquisition of images of a body by the rotational

Details Method for the acquisition of images of a body by the rotational Method for the acquisition of images of a body by the rotational

1994-05-17

1997-12-16

Boudreau, Leo

Image analysis

Applications

Biomedical applications

382132, G06K 900

Patent

active

056994460

ABSTRACT:
To acquire the images around an elongated object, the direction of this object is identified. To this end, in a first image, a point constituting an image of a locus of the object is designated and localized. The image of the epipolar straight line that connects the focal spot of the X-ray tube to the localized point is plotted in the second image. In this image of the epipolar straight line, a point homologous to the point in the first image is designated and localized. From the localizations of these points, the position in space of the characteristic point is deduced. This operation is reiterated for a second characteristic locus. The orientation of the object is deduced from these two characteristic loci. The position of the imaging device is then set accordingly.

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Joseph Sitomer et al.; "Computer Image-Guided Gantry Positioning"; pp. 1-16; Department of Internal Medicine, Division of Cardiology, University of Michigan. (No Date) (No Publisher).

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