@article{chevallier2021coherent, title={A coherent framework for learning spatiotemporal piecewise-geodesic trajectories from longitudinal manifold-valued data}, author={Chevallier, Juliette and Debavelaere, Vianney and Allassonni{\`e}re, St{\'e}phanie}, journal={SIAM Journal on Imaging Sciences}, volume={14}, number={1}, pages={349--388}, year={2021}, publisher={SIAM} }