no code implementations • 8 Aug 2024 • Anshu Ankolekar, Sebastian Boie, Maryam Abdollahyan, Emanuela Gadaleta, Seyed Alireza Hasheminasab, Guang Yang, Charles Beauville, Nikolaos Dikaios, George Anthony Kastis, Michael Bussmann, Sara Khalid, Hagen Kruger, Philippe Lambin, Giorgos Papanastasiou
Federated Learning (FL) has emerged as a promising solution to address the limitations of centralised machine learning (ML) in oncology, particularly in overcoming privacy concerns and harnessing the power of diverse, multi-center data.
1 code implementation • 1 Aug 2023 • Pia Hanfeld, Khaled Wahba, Marina M. -C. Höhne, Michael Bussmann, Wolfgang Hönig
We introduce flying adversarial patches, where multiple images are mounted on at least one other flying robot and therefore can be placed anywhere in the field of view of a victim multirotor.
1 code implementation • 22 May 2023 • Pia Hanfeld, Marina M. -C. Höhne, Michael Bussmann, Wolfgang Hönig
We introduce flying adversarial patches, where an image is mounted on another flying robot and therefore can be placed anywhere in the field of view of a victim multirotor.
no code implementations • 27 Feb 2023 • Anna Willmann, Jurjen Couperus Cabadağ, Yen-Yu Chang, Richard Pausch, Amin Ghaith, Alexander Debus, Arie Irman, Michael Bussmann, Ulrich Schramm, Nico Hoffmann
Understanding and control of Laser-driven Free Electron Lasers remain to be difficult problems that require highly intensive experimental and theoretical research.
no code implementations • 9 Nov 2022 • Patrick Stiller, Varun Makdani, Franz Pöschel, Richard Pausch, Alexander Debus, Michael Bussmann, Nico Hoffmann
These simulations will have a high spatiotemporal resolution, which will impact the training of machine learning models since storing a high amount of simulation data on disk is nearly impossible.
1 code implementation • 10 Jun 2021 • Nishant Kumar, Pia Hanfeld, Michael Hecht, Michael Bussmann, Stefan Gumhold, Nico Hoffmann
Normalizing flows are prominent deep generative models that provide tractable probability distributions and efficient density estimation.
no code implementations • 1 Jun 2021 • Friedrich Bethke, Richard Pausch, Patrick Stiller, Alexander Debus, Michael Bussmann, Nico Hoffmann
Invertible neural networks are a recent technique in machine learning promising neural network architectures that can be run in forward and reverse mode.
no code implementations • 1 Jun 2021 • Anna Willmann, Patrick Stiller, Alexander Debus, Arie Irman, Richard Pausch, Yen-Yu Chang, Michael Bussmann, Nico Hoffmann
In this work we propose a deep neural network based surrogate model for a plasma shadowgraph - a technique for visualization of perturbations in a transparent medium.
1 code implementation • 8 Sep 2020 • Patrick Stiller, Friedrich Bethke, Maximilian Böhme, Richard Pausch, Sunna Torge, Alexander Debus, Jan Vorberger, Michael Bussmann, Nico Hoffmann
However, recent numerical solvers require manual discretization of the underlying equation as well as sophisticated, tailored code for distributed computing.
1 code implementation • 15 Mar 2019 • Axel Huebl, Martin Rehwald, Lieselotte Obst-Huebl, Tim Ziegler, Marco Garten, René Widera, Karl Zeil, Thomas E. Cowan, Michael Bussmann, Ulrich Schramm, Thomas Kluge
Laser-ion acceleration with ultra-short pulse, PW-class lasers is dominated by non-thermal, intra-pulse plasma dynamics.
Plasma Physics Accelerator Physics Computational Physics
1 code implementation • 12 Feb 2018 • Richard Pausch, Alexander Debus, Axel Huebl, Ulrich Schramm, Klaus Steiniger, René Widera, Michael Bussmann
Quantitative predictions from synthetic radiation diagnostics often have to consider all accelerated particles.
Computational Physics Plasma Physics
1 code implementation • 30 Jun 2017 • Alexander Matthes, René Widera, Erik Zenker, Benjamin Worpitz, Axel Huebl, Michael Bussmann
On some of these we are able to reach almost 50\% of the peak floating point operation performance using the aforementioned means.
Distributed, Parallel, and Cluster Computing
2 code implementations • 1 Jun 2017 • Axel Huebl, Rene Widera, Felix Schmitt, Alexander Matthes, Norbert Podhorszki, Jong Youl Choi, Scott Klasky, Michael Bussmann
We implement and benchmark parallel I/O methods for the fully-manycore driven particle-in-cell code PIConGPU.
Performance Computational Physics D.4.8; B.4.3; I.6.6
1 code implementation • 28 Nov 2016 • Alexander Matthes, Axel Huebl, René Widera, Sebastian Grottel, Stefan Gumhold, Michael Bussmann
The computation power of supercomputers grows faster than the bandwidth of their storage and network.
Distributed, Parallel, and Cluster Computing
1 code implementation • 9 Jun 2016 • Erik Zenker, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann
With the appearance of the heterogeneous platform OpenPower, many-core accelerator devices have been coupled with Power host processors for the first time.
Distributed, Parallel, and Cluster Computing
1 code implementation • 26 Feb 2016 • Erik Zenker, Benjamin Worpitz, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann
The model exploits parallelism and memory hierarchies on a node at all levels available in current hardware.
Distributed, Parallel, and Cluster Computing Mathematical Software
1 code implementation • 4 Apr 2014 • Axel Huebl, David Pugmire, Felix Schmitt, Richard Pausch, Michael Bussmann
Emerging new technologies in plasma simulations allow tracking billions of particles while computing their radiative spectra.
Plasma Physics Computational Physics 85-08