Deformable Mosaicing for Whole-Body MRI

Authors:
Christian Wachinger;Ben Glocker;Jochen Zeltner;Nikos Paragios;Nikos Komodakis;Michael Sass Hansen;Nassir Navab
Affiliations:
Computer Aided Medical Procedures (CAMP), TUM, Munich, Germany;Computer Aided Medical Procedures (CAMP), TUM, Munich, Germany and Mathématiques Appliquées aux Systèmes (MAS), Ecole Centrale Paris, France;Siemens Medical Solutions, Erlangen, Germany;Mathématiques Appliquées aux Systèmes (MAS), Ecole Centrale Paris, France;Computer Science Department, University of Crete, Greece;Technical University of, Denmark;Computer Aided Medical Procedures (CAMP), TUM, Munich, Germany
Venue:
MICCAI '08 Proceedings of the 11th International Conference on Medical Image Computing and Computer-Assisted Intervention, Part II
Year:
2008

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Abstract

Whole-body magnetic resonance imaging is an emerging application gaining vast clinical interest during the last years. Although recent technological advances shortened the longish acquisition time, this is still the limiting factor avoiding its wide-spread clinical usage. The acquisition of images with large field-of-view helps to relieve this drawback, but leads to significantly distorted images. Therefore, we propose a deformable mosaicingapproach, based on the simultaneous registration to linear weighted averages, to correct for distortions in the overlapping area. This method produces good results on in-vivo data and has the advantage that a seamless integration into the clinical workflow is possible.