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Method and apparatus for image registration using large deformation diffeomorphisms on a sphere

  • US 6,633,686 B1
  • Filed: 09/20/2000
  • Issued: 10/14/2003
  • Est. Priority Date: 11/05/1998
  • Status: Expired due to Term
First Claim
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1. A method for registering a template image with a target image, the template image containing a plurality of points and the target image containing a plurality of points, comprising:

  • defining at least one manifold landmark point in said template image;

    identifying at least one point in said target image corresponding to said defined at least one manifold landmark point;

    selecting a coordinate frame suitable for spherical geometries;

    computing a large deformation transform using said selected coordinate frame, at least one manifold landmark transformation operator, and at least one manifold landmark transformation boundary value, said large deformation transform relating said at least one manifold landmark point in said template image to said corresponding at least one point in said target image; and

    registering said template image with said target image using said large deformation transform in the selected coordinate frame.

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