Search Results for author: Toon Van de Maele

Found 8 papers, 0 papers with code

Learning Spatial and Temporal Hierarchies: Hierarchical Active Inference for navigation in Multi-Room Maze Environments

no code implementations18 Sep 2023 Daria de Tinguy, Toon Van de Maele, Tim Verbelen, Bart Dhoedt

Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment.

Efficient Exploration

Bridging Cognitive Maps: a Hierarchical Active Inference Model of Spatial Alternation Tasks and the Hippocampal-Prefrontal Circuit

no code implementations22 Aug 2023 Toon Van de Maele, Bart Dhoedt, Tim Verbelen, Giovanni Pezzulo

Through a series of simulations, we demonstrate that the model's dual layers acquire effective cognitive maps for navigation within physical (HC map) and task (mPFC map) spaces, using a biologically-inspired approach: a clone-structured cognitive graph.

Integrating cognitive map learning and active inference for planning in ambiguous environments

no code implementations16 Aug 2023 Toon Van de Maele, Bart Dhoedt, Tim Verbelen, Giovanni Pezzulo

Living organisms need to acquire both cognitive maps for learning the structure of the world and planning mechanisms able to deal with the challenges of navigating ambiguous environments.

Inferring Hierarchical Structure in Multi-Room Maze Environments

no code implementations23 Jun 2023 Daria de Tinguy, Toon Van de Maele, Tim Verbelen, Bart Dhoedt

Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment.

Efficient Exploration

Object-Centric Scene Representations using Active Inference

no code implementations7 Feb 2023 Toon Van de Maele, Tim Verbelen, Pietro Mazzaglia, Stefano Ferraro, Bart Dhoedt

Representing a scene and its constituent objects from raw sensory data is a core ability for enabling robots to interact with their environment.

Object Scene Understanding

Disentangling Shape and Pose for Object-Centric Deep Active Inference Models

no code implementations16 Sep 2022 Stefano Ferraro, Toon Van de Maele, Pietro Mazzaglia, Tim Verbelen, Bart Dhoedt

Recently, deep learning methods have been proposed to learn a hidden state space structure purely from data, alleviating the experimenter from this tedious design task, but resulting in an entangled, non-interpreteable state space.

Disentanglement

Disentangling What and Where for 3D Object-Centric Representations Through Active Inference

no code implementations26 Aug 2021 Toon Van de Maele, Tim Verbelen, Ozan Catal, Bart Dhoedt

In this paper, we propose an active inference agent that actively gathers evidence for object classifications, and can learn novel object categories over time.

Object object-detection +1

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