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Erschienen in:
2007 | OriginalPaper | Buchkapitel
A Hamiltonian Particle Method for Diffeomorphic Image Registration
verfasst von : Stephen Marsland, Robert McLachlan
Erschienen in: Information Processing in Medical Imaging
Verlag: Springer Berlin Heidelberg
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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, based on a discretisation of the Hamiltonian, rather than using an optimiser. The result is an algorithm that is many times faster than those considered previously.