Registration of three dimensional image data with X-ray...

Details Registration of three dimensional image data with X-ray... Registration of three dimensional image data with X-ray...

2006-05-05

2010-02-02

Bali, Vikkram (Department: 2624)

Image analysis

Applications

Biomedical applications

C382S131000, C600S425000

Reexamination Certificate

active

07657075

ABSTRACT:
A method for determining a transformation of a three-dimensional pre-operative image data set to obtain a registration of the three-dimensional image data with an X-ray imaging system. In one aspect of the present invention, the method comprises the steps of the user identifying a center point and extreme contour points of the object from an X-ray image, obtaining a set of contour points for the image object in each of a plurality of section-planes, and selecting from a sampling of section-planes the points projecting nearest to the user-identified extreme points. The method then defines a grid having a predetermined number of intervals at a predetermined interval spacing with the grid center at the user-identified center of the pre-operative image, and performs a projection of the center point of the three-dimensional image data set onto each grid point for evaluation and selection of the grid point projecting nearest to the user-identified center. Registration of a three dimensional image data will allow, among other things, overlay of a visual representation of a pre-operative image object onto an X-ray image plane that can serve as a visual tool and a surgical navigation aid.

REFERENCES:
patent: 7366278 (2008-04-01), Fu et al.
patent: 7555331 (2009-06-01), Viswanathan
patent: 2004/0176931 (2004-09-01), Wright et al.
patent: 2005/0203384 (2005-09-01), Sati et al.
patent: 2006/0025681 (2006-02-01), Abovitz et al.

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