Search Results for author: Stéphane Doncieux

Found 11 papers, 4 papers with code

Speeding up 6-DoF Grasp Sampling with Quality-Diversity

no code implementations10 Mar 2024 Johann Huber, François Hélénon, Mathilde Kappel, Elie Chelly, Mahdi Khoramshahi, Faïz Ben Amar, Stéphane Doncieux

We believe these results to be a significant step toward the generation of large datasets that can lead to robust and generalizing robotic grasping policies.

Robotic Grasping

Toward a Plug-and-Play Vision-Based Grasping Module for Robotics

1 code implementation6 Oct 2023 François Hélénon, Johann Huber, Faïz Ben Amar, Stéphane Doncieux

This framework addresses two main issues: the lack of an off-the-shelf vision module for detecting object pose and the generalization of QD trajectories to the whole robot operational space.

Grasp Generation Object +3

Domain Randomization for Sim2real Transfer of Automatically Generated Grasping Datasets

1 code implementation6 Oct 2023 Johann Huber, François Hélénon, Hippolyte Watrelot, Faiz Ben Amar, Stéphane Doncieux

More than 7000 reach-and-grasp trajectories have been generated with Quality-Diversity (QD) methods on 3 different arms and grippers, including parallel fingers and a dexterous hand, and tested in the real world.

Robotic Grasping

Random Actions vs Random Policies: Bootstrapping Model-Based Direct Policy Search

no code implementations21 Oct 2022 Elias Hanna, Alex Coninx, Stéphane Doncieux

This paper studies the impact of the initial data gathering method on the subsequent learning of a dynamics model.

Automatic Acquisition of a Repertoire of Diverse Grasping Trajectories through Behavior Shaping and Novelty Search

no code implementations17 May 2022 Aurélien Morel, Yakumo Kunimoto, Alex Coninx, Stéphane Doncieux

Grasping a particular object may require a dedicated grasping movement that may also be specific to the robot end-effector.

Object

Exploratory State Representation Learning

1 code implementation28 Sep 2021 Astrid Merckling, Nicolas Perrin-Gilbert, Alex Coninx, Stéphane Doncieux

Our experimental results show that the approach leads to efficient exploration in challenging environments with image observations, and to state representations that significantly accelerate learning in RL tasks.

Efficient Exploration Reinforcement Learning (RL) +1

Selection-Expansion: A Unifying Framework for Motion-Planning and Diversity Search Algorithms

no code implementations10 Apr 2021 Alexandre Chenu, Nicolas Perrin-Gilbert, Stéphane Doncieux, Olivier Sigaud

In particular, we show empirically that, if the mapping is smooth enough, i. e. if two close policies in the parameter space lead to similar outcomes, then diversity algorithms tend to inherit exploration properties of MP algorithms.

Motion Planning

State Representation Learning from Demonstration

no code implementations15 Sep 2019 Astrid Merckling, Alexandre Coninx, Loic Cressot, Stéphane Doncieux, Nicolas Perrin-Gilbert

Indeed, a compact representation of such a state is beneficial to help robots grasp onto their environment for interacting.

Imitation Learning Reinforcement Learning (RL) +1

Bootstrapping Robotic Ecological Perception from a Limited Set of Hypotheses Through Interactive Perception

1 code implementation30 Jan 2019 Léni K. Le Goff, Ghanim Mukhtar, Alexandre Coninx, Stéphane Doncieux

A robot with the ability to build and adapt this interpretation process according to its own tasks and capabilities would push away the limits of what robots can achieve in a non controlled environment.

Behavioural Repertoire via Generative Adversarial Policy Networks

no code implementations7 Nov 2018 Marija Jegorova, Stéphane Doncieux, Timothy Hospedales

Leveraging our generative policy network, a robot can sample novel behaviors until it finds one that works for a new environment.

Multi-objective analysis of computational models

no code implementations24 Jul 2015 Stéphane Doncieux, Jean Liénard, Benoît Girard, Mohamed Hamdaoui, Joël Chaskalovic

A neurocomputational model of the Basal Ganglia brain nuclei is then considered and its most salient features according to this methodology are presented and discussed.

Evolutionary Algorithms Specificity

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