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A Continuity Equation Based Optical Flow Method for Cardiac Motion Correction in 3D PET Data

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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A Continuity Equation Based Optical Flow Method for Cardiac Motion Correction in 3D PET Data

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  1. 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

  2. Acquisition Times PET, Minutes CT, Seconds

  3. Gating …

  4. Mass conserved in cardiac data Systole FDG-PET 1 h.p.i. non-AC Diastole Continuity Equation:

  5. Motion vectors

  6. Visual result Cardiacphases All gatesdeformedto Diastole

  7. Quantitative results 1: Correlation with target phase

  8. Quantitative results 2: Myocardial thickness

  9. Quantitative results 3: Time activity curves in blood pool

  10. Thankyou

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