1 code implementation • ICML 2020 • Johannes Fischer, Ömer Sahin Tas
Partially Observable Markov Decision Processes (POMDPs) inherently gather the information necessary to act optimally under uncertainties.
no code implementations • 1 May 2024 • Robert J. Moss, Arec Jamgochian, Johannes Fischer, Anthony Corso, Mykel J. Kochenderfer
To plan safely in uncertain environments, agents must balance utility with safety constraints.
1 code implementation • 20 Mar 2024 • Vincent Tao Hu, Stefan Andreas Baumann, Ming Gui, Olga Grebenkova, Pingchuan Ma, Johannes Fischer, Björn Ommer
The diffusion model has long been plagued by scalability and quadratic complexity issues, especially within transformer-based structures.
no code implementations • 18 Mar 2024 • Johannes Fischer, Kevin Rösch, Martin Lauer, Christoph Stiller
To resolve this issue, we propose the novel Physics-Informed Trajectory Autoencoder (PITA) architecture, whichincorporates a physical dynamics model into the loss functionof the autoencoder.
no code implementations • 25 Aug 2023 • Farhad Arpanaei, Mahdi Ranjbar Zefreh, José Alberto Hernández, Behnam Shariati, Johannes Fischer, José Manuel Rivas-Moscoso, Filipe Jiménez, Juan Pedro Fernández-Palacios, David Larrabeiti
We propose an algorithm for calculating the optimum launch power over the entire C+L bands by maximizing the cumulative link GSNR of a channel plan built upon multiple modulation formats, with application to dynamic EONs.
no code implementations • 15 Jul 2021 • Danial Kamran, Tizian Engelgeh, Marvin Busch, Johannes Fischer, Christoph Stiller
Despite recent advances in reinforcement learning (RL), its application in safety critical domains like autonomous vehicles is still challenging.
Autonomous Vehicles Distributional Reinforcement Learning +2
1 code implementation • LREC 2020 • Georg Rehm, Dimitrios Galanis, Penny Labropoulou, Stelios Piperidis, Martin Welß, Ricardo Usbeck, Joachim köhler, Miltos Deligiannis, Katerina Gkirtzou, Johannes Fischer, Christian Chiarcos, Nils Feldhus, Julián Moreno-Schneider, Florian Kintzel, Elena Montiel, Víctor Rodríguez Doncel, John P. McCrae, David Laqua, Irina Patricia Theile, Christian Dittmar, Kalina Bontcheva, Ian Roberts, Andrejs Vasiljevs, Andis Lagzdiņš
With regard to the wider area of AI/LT platform interoperability, we concentrate on two core aspects: (1) cross-platform search and discovery of resources and services; (2) composition of cross-platform service workflows.
1 code implementation • 24 Feb 2017 • Johannes Fischer, Florian Kurpicz, Marvin Löbel
The wavelet tree (Grossi et al. [SODA, 2003]) and wavelet matrix (Claude et al. [Inf.
Data Structures and Algorithms
1 code implementation • 11 Oct 2016 • Johannes Fischer, Florian Kurpicz, Peter Sanders
The result is that our index answers counting queries up to 5. 5 times faster than the distributed suffix array, while using about the same space.
Data Structures and Algorithms