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Publication Detail
Inverse consistency error in the registration of prone and supine images in CT colonography
  • Publication Type:
    Conference
  • Authors:
    Roth HR, Hampshire TE, McClelland JR, Hu M, Boone DJ, Slabaugh GG, Halligan S, Hawkes DJ
  • Publication date:
    21/03/2012
  • Pagination:
    1, 7
  • Published proceedings:
    Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
  • Volume:
    7029 LNCS
  • ISBN-13:
    9783642285561
  • Status:
    Published
  • Print ISSN:
    0302-9743
Abstract
Robust registration between prone and supine data acquisitions for CT colonography is pivotal for medical interpretation but a challenging problem. One measure when evaluating non-rigid registration algorithms over the whole of the deformation field is the inverse consistency error, which suggests improved registration quality when the inverse deformation is consistent with the forward deformation. We show that using computed landmark displacements to initialise an intensity based registration reduces the inverse consistency error when using a state-of-the-art non-rigid b-spline registration method. This method aligns prone and supine 2D images derived from CT colonography acquisitions in a cylindrical domain. Furthermore, we demonstrate that using the same initialisation also improves registration accuracy for a set of manually identified reference points in cases exhibiting local luminal collapse. © 2012 Springer-Verlag.
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Metabolism & Experi Therapeutics
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Dept of Med Phys & Biomedical Eng
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Dept of Med Phys & Biomedical Eng
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Dept of Med Phys & Biomedical Eng
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