Method and system for registering pre-procedural images with...

Details Method and system for registering pre-procedural images with... Method and system for registering pre-procedural images with...

2005-04-13

2009-11-17

Ahmed, Samir A (Department: 2624)

Image analysis

Applications

Biomedical applications

C382S131000, C382S132000

Reexamination Certificate

active

07620223

ABSTRACT:
A system and method for registering pre-operative images of an object with an intra-operative image of the object is disclosed. Prior to an operative procedure, Digitally Reconstructed Radiographs (DRRs) are generated for the pre-operative images of each individual patient. Signatures are extracted from the DRRs. The signatures are stored in a knowledge base. During the operative procedure, a signature is extracted from the intra-operative image. The intra-operative signature is compared to the stored pre-operative signatures. A pre-operative image having a best signature match to the intra-operative signature is retrieved. The retrieved pre-operative image is registered with the intra-operative image.

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Lille Zollei, “2D-3D Rigid-Body Registration of X-Ray Fluoroscopy and CT Images”, Masters Thesis, MIT AI Lab, Aug. 2001.

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