Date post: | 03-Jan-2016 |
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European Instituteof Molecular Imaging
A Continuity Equation Based Optical Flow Method for Cardiac Motion Correction in 3D PET Data
M Dawood, C Brune, X Jiang, F Büther, M Burger, O Schober, M Schäfers, KP Schäfers
Department of Computer Science,European Institute for Molecular Imaging
University of Münster, Germany
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
PET, Minutes
CT, Seconds
Acquisition Times
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
…
Gating
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Mass conserved in cardiac data
Systole FDG-PET 1 h.p.i. non-AC Diastole
Continuity Equation:
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Motion vectors
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
All gates deformed to Diastole
Visual result
Cardiac phases
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Quantitative results 1: Correlation with target phase
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Quantitative results 2: Myocardial thickness
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Quantitative results 3: Time activity curves in blood pool
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European Instituteof Molecular Imaging Motion Correction on 3D PET/CT Data with Optical Flow Algorithms
Thank you