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math.NA2023
Medical Image Registration using optimal control of a linear hyperbolic transport equation with a DG discretization
Bastian Zapf, Johannes Haubner, Lukas Baumgärtner +1
Patient specific brain mesh generation from MRI can be a time consuming task and require manual corrections, e.g., for meshing the ventricular system or defining subdomains. To add…
math.NA2022
Total Generalized Variation for Piecewise Constant Functions on Triangular Meshes with Applications in Imaging
Lukas Baumgärtner, Ronny Bergmann, Roland Herzog +2
We propose a novel discrete concept for the total generalized variation (TGV), which has originally been derived to reduce the staircasing effect in classical total variation (TV)…