Groupwise image registration based on a total correlation dissimilarity measure for quantitative MRI and dynamic imaging data

Jean Marie Guyader, Wyke Huizinga, Dirk H.J. Poot, Matthijs van Kranenburg, André Uitterdijk, Wiro J. Niessen, Stefan Klein

    Research output: Contribution to journalArticleScientificpeer-review

    7 Citations (Scopus)
    14 Downloads (Pure)

    Abstract

    The most widespread technique used to register sets of medical images consists of selecting one image as fixed reference, to which all remaining images are successively registered. This pairwise scheme requires one optimization procedure per pair of images to register. Pairwise mutual information is a common dissimilarity measure applied to a large variety of datasets. Alternative methods, called groupwise registrations, have been presented to register two or more images in a single optimization procedure, without the need of a reference image. Given the success of mutual information in pairwise registration, we adapt one of its multivariate versions, called total correlation, in a groupwise context. We justify the choice of total correlation among other multivariate versions of mutual information, and provide full implementation details. The resulting total correlation measure is remarkably close to measures previously proposed by Huizinga et al. based on principal component analysis. Our experiments, performed on five quantitative imaging datasets and on a dynamic CT imaging dataset, show that total correlation yields registration results that are comparable to Huizinga’s methods. Total correlation has the advantage of being theoretically justified, while the measures of Huizinga et al. were designed empirically. Additionally, total correlation offers an alternative to pairwise mutual information on quantitative imaging datasets.

    Original languageEnglish
    Article number13112
    Number of pages14
    JournalScientific Reports
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - 2018

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