Discrete Mechanics and Optimal Control for Image Registration

Robert McLachlan, Stephen Marsland

Abstract


Diffeomorphic image registration, where images are aligned using
diffeomorphic warps, is a popular subject for research in medical image
analysis. We introduce a novel algorithm for computing diffeomorphic
warps that solves the Euler equations on the diffeomorphism group
explicitly, rather than using an optimiser. The result is an algorithm
that is many times faster than those considered previously.

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DOI: http://dx.doi.org/10.21914/anziamj.v48i0.82



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ANZIAM Journal, ISSN 1446-8735, copyright Australian Mathematical Society.