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Regional Manifold Learning for Deformable Registration of Brain MR Images

  • Dong Hye Ye
  • Jihun Hamm
  • Dongjin Kwon
  • Christos Davatzikos
  • Kilian M. Pohl
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7512)

Abstract

We propose a method for deformable registration based on learning the manifolds of individual brain regions. Recent publications on registration of medical images advocate the use of manifold learning in order to confine the search space to anatomically plausible deformations. Existing methods construct manifolds based on a single metric over the entire image domain thus frequently miss regional brain variations. We address this issue by first learning manifolds for specific regions and then computing region-specific deformations from these manifolds. We then determine deformations for the entire image domain by learning the global manifold in such a way that it preserves the region-specific deformations. We evaluate the accuracy of our method by applying it to the LPBA40 dataset and measuring the overlap of the deformed segmentations. The result shows significant improvement in registration accuracy on cortex regions compared to other state of the art methods.

Keywords

Manifold Learning Image Registration Brain MRI 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Dong Hye Ye
    • 1
  • Jihun Hamm
    • 2
  • Dongjin Kwon
    • 1
  • Christos Davatzikos
    • 1
  • Kilian M. Pohl
    • 1
  1. 1.Department of RadiologyUniversity of PennsylvaniaPhiladelphiaUSA
  2. 2.Department of Computer ScienceOhio State UniversityColumbusUSA

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