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  4. Deformable registration of MR images using a hierarchical patch based approach with a normalized metric quality measure
 
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2012
Conference Paper
Titel

Deformable registration of MR images using a hierarchical patch based approach with a normalized metric quality measure

Abstract
Magnitude Diffusion Weighted Magnetic Resonance Imaging (DW-MRI) is used to detect lesions in abdominal organs such as the liver. For diagnosis and interventional planning, DW-MRI needs to be registered with Magnetic Resonance (MRI) images in order to provide an anatomical context. DWMRI usually generates images that contain large regions with only little image information. This makes it difficult to elastically register those images to images from other imaging modalities. In this work, we apply a deformable registration approach in order to register magnitude DW-MRI data with MRI images. A normalized quality measure is used to sort out local deformations in low image signal areas that cause non-plausible local deformations. An evaluation on 5 patients shows promising results.
Author(s)
Erdt, Marius
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Steger, Sebastian
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Wesarg, Stefan
TU Darmstadt GRIS
Hauptwerk
9th IEEE International Symposium on Biomedical Imaging, ISBI 2012. From Nano to Macro
Konferenz
International Symposium on Biomedical Imaging (ISBI) 2012
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DOI
10.1109/ISBI.2012.6235815
Language
English
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Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Tags
  • magnetic resonance imaging (MRI)

  • diagnostic imaging

  • surgical planning

  • registration

  • liver

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