Abstract
We are presenting a new method for Gated SPECT analysis. We segment the myocardium walls in the first time frame (end diastole) and then compute volumetric motion fields between time frames for tracking. The application of dense motion field to segmented walls provides us with individual 3D trajectories for endo- and epicardium wall points. Besides traditional measurements like ejection fraction, radial motion and thickness variations, it allows us to derive original measurements such as focus of contraction, axial contraction, elevation and twist, and compute an average image where cardiac motion blur is suppressed. The method is packaged in a comprehensive research prototype, MyoTrackVB, which is currently evaluated by medical partners with more than 200 cases already processed.
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Thirion, JP., Benayoun, S. (2000). MyoTrack: A 3D Deformation Field Method to Measure Cardiac Motion from Gated SPECT. In: Delp, S.L., DiGoia, A.M., Jaramaz, B. (eds) Medical Image Computing and Computer-Assisted Intervention – MICCAI 2000. MICCAI 2000. Lecture Notes in Computer Science, vol 1935. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-40899-4_72
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DOI: https://doi.org/10.1007/978-3-540-40899-4_72
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