Abdominal motion tracking with free-breathing XD-GRASP acquisitions using spatio-temporal geodesic trajectories. - Mansour, Rihab; Romaguera, Liset Vazquez; Huet, Catherine; Bentridi, Ahmed; Vu, Kim-Nhien; Billiard, Jean-Sébastien; Gilbert, Guilllaume; Tang, An; Kadoury, Samuel (Medical & Biological Engineering & Computing, 2022)