Projection-slice theorem based 2D-3D registration

26 March 2007 Projection-slice theorem based 2D-3D registration

M. J. van der Bom, J. P. W. Pluim, R. Homan, J. Timmer, L. W. Bartels

Proceedings Volume 6512, Medical Imaging 2007: Image Processing; 65120B (2007) https://doi.org/10.1117/12.712077
Event: Medical Imaging, 2007, San Diego, CA, United States

Abstract

In X-ray guided procedures, the surgeon or interventionalist is dependent on his or her knowledge of the patient's specific anatomy and the projection images acquired during the procedure by a rotational X-ray source. Unfortunately, these X-ray projections fail to give information on the patient's anatomy in the dimension along the projection axis. It would be very profitable to provide the surgeon or interventionalist with a 3D insight of the patient's anatomy that is directly linked to the X-ray images acquired during the procedure. In this paper we present a new robust 2D-3D registration method based on the Projection-Slice Theorem. This theorem gives us a relation between the pre-operative 3D data set and the interventional projection images. Registration is performed by minimizing a translation invariant similarity measure that is applied to the Fourier transforms of the images. The method was tested by performing multiple exhaustive searches on phantom data of the Circle of Willis and on a post-mortem human skull. Validation was performed visually by comparing the test projections to the ones that corresponded to the minimal value of the similarity measure. The Projection-Slice Theorem Based method was shown to be very effective and robust, and provides capture ranges up to 62 degrees. Experiments have shown that the method is capable of retrieving similar results when translations are applied to the projection images.

Citation Download Citation

M. J. van der Bom, J. P. W. Pluim, R. Homan, J. Timmer, and L. W. Bartels "Projection-slice theorem based 2D-3D registration", Proc. SPIE 6512, Medical Imaging 2007: Image Processing, 65120B (26 March 2007); https://doi.org/10.1117/12.712077

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