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Cardiac Motion Modeling with Parallel Transport and Shape Splines

Abstract : In cases of pressure or volume overload, probing cardiac function may be difficult because of the interactions between shape and deformations.In this work, we use the LDDMM framework and parallel transport to estimate and reorient deformations of the right ventricle. We then propose a normalization procedure for the amplitude of the deformation, and a second-order spline model to represent the full cardiac contraction. The method is applied to 3D meshes of the right ventricle extracted from echocardiographic sequences of 314 patients divided into three disease categories and a control group. We find significant differences between pathologies in the model parameters, revealing insights into the dynamics of each disease.
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https://hal.inria.fr/hal-03142196
Contributor : Nicolas Guigui Connect in order to contact the contributor
Submitted on : Wednesday, February 17, 2021 - 10:51:18 AM
Last modification on : Thursday, January 20, 2022 - 4:13:16 PM
Long-term archiving on: : Tuesday, May 18, 2021 - 6:17:51 PM

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Nicolas Guigui, Pamela Moceri, Maxime Sermesant, Xavier Pennec. Cardiac Motion Modeling with Parallel Transport and Shape Splines. IEEE 18th International Symposium on Biomedical Imaging (ISBI), 2021, Apr 2021, Nice, France. pp. 1394-1397, ⟨10.1109/ISBI48211.2021.9433887⟩. ⟨hal-03142196⟩

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