Inria, Aramis project-team, Paris, France; Institut du Cerveau et de la Moelle ´epini`ere, Inserm, CNRS, Sorbonne Universit´e, Paris, France
Alexandre Bône, Olivier Colliot, Stanley Durrleman
Learning Distributions of Shape Trajectories From Longitudinal Datasets: A Hierarchical Model on a Manifold of Diffeomorphisms