Fieldmap-Free Retrospective Registration and Distortion Correction for EPI-based Functional Imaging

We describe a method for correcting the distortions present in echo planar images (EPI) and registering the EPI to structural MRI. A field map is predicted from an air/tissue segmentation of the MRI using a perturbation method and subsequently used to unwarp the EPI data. Shim and other missing para...

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Hauptverfasser: Poynton, Clare, Jenkinson, Mark, Whalen, Stephen, Golby, Alexandra J., Wells, William
Format: Artigo
Sprache:Inglês
Veröffentlicht: 2008
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Article
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2702772/
https://ncbi.nlm.nih.gov/pubmed/18982615
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