A hamiltonian particle method for diffeomorphic image registration.

  • Marsland S
  • McLachlan R
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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, 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.

Author-supplied keywords

  • Algorithms
  • Artificial Intelligence
  • Automated
  • Automated: methods
  • Computer-Assisted
  • Computer-Assisted: methods
  • Image Enhancement
  • Image Enhancement: methods
  • Image Interpretation
  • Imaging
  • Pattern Recognition
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Subtraction Technique
  • Three-Dimensional
  • Three-Dimensional: methods

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Authors

  • Stephen Marsland

  • Robert McLachlan

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