no code implementations • 22 Feb 2021 • Ronny Bergmann, Roland Herzog, Maurício Silva Louzeiro
In this paper, we introduce a definition of Fenchel conjugate and Fenchel biconjugate on Hadamard manifolds based on the tangent bundle.
Optimization and Control Differential Geometry
no code implementations • 21 Dec 2020 • Lukas Baumgärtner, Ronny Bergmann, Marc Herrmann, Roland Herzog, Stephan Schmidt, José Vidal-Núñez
We present a novel approach to denoising and inpainting problems for surface meshes.
Denoising Numerical Analysis Computational Geometry Numerical Analysis
1 code implementation • 8 Jun 2015 • Miroslav Bačák, Ronny Bergmann, Gabriele Steidl, Andreas Weinmann
We introduce a new non-smooth variational model for the restoration of manifold-valued data which includes second order differences in the regularization term.
Numerical Analysis 65K10, 49Q99, 49M37