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math.OC2023
A Bayesian model for dynamic mass reconstruction from PET listmode data
Marco Mauritz, Bernhard Schmitzer, Benedikt Wirth
Positron emission tomography (PET) is a classical imaging technique to reconstruct the mass distribution of a radioactive material. If the mass distribution is static, this essenti…
math.OC2023
Linearized optimal transport on manifolds
Clément Sarrazin, Bernhard Schmitzer
Optimal transport is a geometrically intuitive, robust and flexible metric for sample comparison in data analysis and machine learning. Its formal Riemannian structure allows for a…