Search Results for author: Tom De Schepper

Found 11 papers, 0 papers with code

Benchmarking Sensitivity of Continual Graph Learning for Skeleton-Based Action Recognition

no code implementations31 Jan 2024 Wei Wei, Tom De Schepper, Kevin Mets

We propose the first continual graph learning benchmark for spatio-temporal graphs and use it to benchmark well-known CGL methods in this novel setting.

Action Recognition Benchmarking +3

Inferring the relationship between soil temperature and the normalized difference vegetation index with machine learning

no code implementations19 Dec 2023 Steven Mortier, Amir Hamedpour, Bart Bussmann, Ruth Phoebe Tchana Wandji, Steven Latré, Bjarni D. Sigurdsson, Tom De Schepper, Tim Verdonck

Ultimately, this study contributes to our knowledge of the relationships between soil temperature, meteorological variables, and vegetation phenology, providing valuable insights for predicting vegetation phenology characteristics and managing subarctic grasslands in the face of climate change.

POS

Safety Aware Autonomous Path Planning Using Model Predictive Reinforcement Learning for Inland Waterways

no code implementations16 Nov 2023 Astrid Vanneste, Simon Vanneste, Olivier Vasseur, Robin Janssens, Mattias Billast, Ali Anwar, Kevin Mets, Tom De Schepper, Siegfried Mercelis, Peter Hellinckx

We demonstrate our approach on two scenarios and compare the resulting path with path planning using a Frenet frame and path planning based on a proximal policy optimization (PPO) agent.

Navigate reinforcement-learning

Scalability of Message Encoding Techniques for Continuous Communication Learned with Multi-Agent Reinforcement Learning

no code implementations9 Aug 2023 Astrid Vanneste, Thomas Somers, Simon Vanneste, Kevin Mets, Tom De Schepper, Siegfried Mercelis, Peter Hellinckx

Therefore, we analyse the communication protocol used by the agents that use the mean message encoder and can conclude that the agents use a combination of an exponential and a logarithmic function in their communication policy to avoid the loss of important information after applying the mean message encoder.

Multi-agent Reinforcement Learning

Structured Exploration Through Instruction Enhancement for Object Navigation

no code implementations15 Nov 2022 Matthias Hutsebaut-Buysse, Kevin Mets, Tom De Schepper, Steven Latré

Finding an object of a specific class in an unseen environment remains an unsolved navigation problem.

Object

An Analysis of Discretization Methods for Communication Learning with Multi-Agent Reinforcement Learning

no code implementations12 Apr 2022 Astrid Vanneste, Simon Vanneste, Kevin Mets, Tom De Schepper, Siegfried Mercelis, Steven Latré, Peter Hellinckx

The most common approach to allow learned communication between agents is the use of a differentiable communication channel that allows gradients to flow between agents as a form of feedback.

Multi-agent Reinforcement Learning reinforcement-learning +1

Deep Learning of Intrinsically Motivated Options in the Arcade Learning Environment

no code implementations29 Sep 2021 Louis Bagot, Kevin Mets, Tom De Schepper, Peter Hellinckx, Steven Latre

As an alternative to the widespread method of a weighted sum of rewards, Explore Options let the agent call an intrinsically motivated agent in order to observe and learn from interesting behaviors in the environment.

Atari Games Benchmarking +3

Learning to Communicate Using Counterfactual Reasoning

no code implementations12 Jun 2020 Simon Vanneste, Astrid Vanneste, Kevin Mets, Tom De Schepper, Ali Anwar, Siegfried Mercelis, Steven Latré, Peter Hellinckx

The credit assignment problem, the non-stationarity of the communication environment and the creation of influenceable agents are major challenges within this research field which need to be overcome in order to learn a valid communication protocol.

counterfactual Counterfactual Reasoning +2

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