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Respiratory Motion Correction in Dynamic-MRI: Application to Small Bowel Motility Quantification during Free Breathing

  • Valentin Hamy
  • Alex Menys
  • Emma Helbren
  • Freddy Odille
  • Shonit Punwani
  • Stuart Taylor
  • David Atkinson
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8150)

Abstract

This study introduces a combination of two registration techniques for respiratory motion removal and the quantification of small bowel motility from free breathing cine MRI. The use of robust data decomposition registration (RDDR) allows for exclusive correction of respiratory motion in order to avoid errors in further analysis of motility due to the effects of breathing. The proposed method is assessed using regions of interest (ROIs) contoured in dynamic MRI of six healthy volunteers. The use of RDDR prior to motility quantification results in reduced errors on motility scores in ROIs, with respect to breath-holds.

Keywords

respiratory motion registration Robust PCA small bowel gastrointestinal motility 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Valentin Hamy
    • 1
  • Alex Menys
    • 1
  • Emma Helbren
    • 2
  • Freddy Odille
    • 3
  • Shonit Punwani
    • 1
  • Stuart Taylor
    • 1
  • David Atkinson
    • 1
  1. 1.Centre for Medical ImagingUniversity College LondonUK
  2. 2.University College London HospitalsLondonUK
  3. 3.Nancy UniversityNancyFrance

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