Search Results for author: Ronny Bergmann

Found 3 papers, 1 papers with code

Fenchel Duality and a Separation Theorem on Hadamard Manifolds

no code implementations22 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

Mesh Denoising and Inpainting using the Total Variation of the Normal and a Shape Newton Approach

no code implementations21 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

A Second Order Non-Smooth Variational Model for Restoring Manifold-Valued Images

1 code implementation8 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

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