no code implementations • 14 Oct 2024 • Andreas Boltres, Niklas Freymuth, Patrick Jahnke, Holger Karl, Gerhard Neumann
To this end, we present $\textit{PackeRL}$, the first packet-level Reinforcement Learning environment for routing in generic network topologies.
no code implementations • 21 Jun 2024 • Philipp Becker, Niklas Freymuth, Gerhard Neumann
We propose KalMamba, an efficient architecture to learn representations for RL that combines the strengths of probabilistic SSMs with the scalability of deterministic SSMs.
1 code implementation • 20 Jun 2024 • Niklas Freymuth, Philipp Dahlinger, Tobias Würth, Philipp Becker, Aleksandar Taranovic, Onno Grönheim, Luise Kärger, Gerhard Neumann
To balance computational speed and accuracy meshes with adaptive resolution are used, allocating more resources to critical parts of the geometry.
no code implementations • 12 Jun 2024 • Niklas Freymuth, Philipp Dahlinger, Tobias Würth, Simon Reisch, Luise Kärger, Gerhard Neumann
Adaptive Mesh Refinement (AMR) improves the FEM by dynamically allocating mesh elements on the domain, balancing computational speed and accuracy.
no code implementations • 16 Feb 2024 • Tobias Würth, Niklas Freymuth, Clemens Zimmerling, Gerhard Neumann, Luise Kärger
This work introduces PI-MGNs, a hybrid approach that combines PINNs and MGNs to quickly and accurately solve non-stationary and nonlinear partial differential equations (PDEs) on arbitrary meshes.
no code implementations • 15 Dec 2023 • Paul Maria Scheikl, Nicolas Schreiber, Christoph Haas, Niklas Freymuth, Gerhard Neumann, Rudolf Lioutikov, Franziska Mathis-Ullrich
Policy learning in robot-assisted surgery (RAS) lacks data efficient and versatile methods that exhibit the desired motion quality for delicate surgical interventions.
1 code implementation • 9 Nov 2023 • Philipp Dahlinger, Niklas Freymuth, Michael Volpp, Tai Hoang, Gerhard Neumann
Movement primitives further allow us to accommodate various types of context data, as demonstrated through the utilization of point clouds during inference.
1 code implementation • NeurIPS 2023 • Niklas Freymuth, Philipp Dahlinger, Tobias Würth, Simon Reisch, Luise Kärger, Gerhard Neumann
Adaptive Mesh Refinement (AMR) enhances the Finite Element Method, an important technique for simulating complex problems in engineering, by dynamically refining mesh regions, enabling a favorable trade-off between computational speed and simulation accuracy.
1 code implementation • 23 Feb 2023 • Jonas Linkerhägner, Niklas Freymuth, Paul Maria Scheikl, Franziska Mathis-Ullrich, Gerhard Neumann
Our method results in utilization of additional point cloud information to accurately predict stable simulations where existing Graph Network Simulators fail.
1 code implementation • 17 Oct 2022 • Niklas Freymuth, Nicolas Schreiber, Philipp Becker, Aleksandar Taranovic, Gerhard Neumann
We find that the geometric descriptors greatly help in generalizing to new task configurations and that combining them with our distribution-matching objective is crucial for representing and reproducing versatile behavior.
no code implementations • 15 Nov 2021 • Niklas Freymuth, Philipp Becker, Gerhard Neumann
Inverse Reinforcement Learning infers a reward function from expert demonstrations, aiming to encode the behavior and intentions of the expert.
no code implementations • 29 Nov 2019 • Verena Heusser, Niklas Freymuth, Stefan Constantin, Alex Waibel
Speech emotion recognition is a challenging task and an important step towards more natural human-machine interaction.