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  4. Head motion compensation for arterial spin labeling using optical motion tracking
 
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2013
Conference Paper
Titel

Head motion compensation for arterial spin labeling using optical motion tracking

Abstract
Monitoring of Brain perfusion using Arterial Spin Labeling (ASL) during thrombolysis is an example of an MR procedure that will take over one hour. During this time, patient head motion is inevitable. Among the solutions to this problem is motion tracking, which is used to provide the patient's head motion to the MRI scanner to compensate for this motion. We present an approach for head motion tracking which is designed to fit into clinical workflow: Blue paper dots are attached to the patient's forehead and tracked using a stereo camera setup which is mounted to the MRI head coil and easily removed and replaced. The core algorithms are explained and evaluated. Results from clinical experiments conclude the evaluation.
Author(s)
Hoßbach, Martin
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Gregori, Johannes
Fraunhofer-Institut für Digitale Medizin MEVIS
Wesarg, Stefan
Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Günther, Matthias
Fraunhofer-Institut für Digitale Medizin MEVIS
Hauptwerk
Clinical image-based procedures. From planning to intervention
Konferenz
International Workshop on Clinical Image-Based Procedures (CLIP) 2012
International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI) 2012
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DOI
10.1007/978-3-642-38079-2_1
Language
English
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Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Fraunhofer-Institut für Digitale Medizin MEVIS
Tags
  • magnetic resonance imaging (MRI)

  • motion tracking

  • Workflow

  • monitoring

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