Method and apparatus for reconstructing a three-dimensional...

Details Method and apparatus for reconstructing a three-dimensional... Method and apparatus for reconstructing a three-dimensional...

G - Physics

01

N

G01N 23/04 (2006.01) A61B 6/00 (2006.01) G06T 11/00 (2006.01)

Patent

CA 2056476

RD-19695 METHOD AND APPARATUS FOR RECONSTRUCTING A THREE-DIMENSIONAL COMPUTERIZED TOMOGRAPHY (CT) IMAGE OF AN OBJECT FROM INCOMPLETE CONE BEAM PROJECTION DATA Abstract of the Disclosure A method and apparatus are disclosed for recon- structing a 3D CT image of an object from incomplete x-ray cone beam projection data, additionally employing object boundary information from a separate optical scan. A 3D image of the object is reconstructed slice-by-slice by employing, for each slice, a 2D reconstruction procedure for example, filtered backprojection, on the values of the 2D projection images in the plane of the slice to calculate a 2D image of the object for each of the slices.

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