papers

Dynamic Learning Rate for Deep Reinforcement Learning: A Bandit Approach
In Deep Reinforcement Learning models trained using gradient-based techniques, the choice of optimizer and its learning rate are …
Henrique DONANCIO, Antoine BARRIER, Leah SOUTH, Florence FORBES
17 October 2024
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MARVEL: MR Fingerprinting with Additional micRoVascular Estimates using bidirectional LSTMs
The Magnetic Resonance Fingerprinting (MRF) approach aims to estimate multiple MR or physiological parameters simultaneously with a …
Antoine BARRIER, Thomas COUDERT, Aurélien DELPHIN, Benjamin LEMASSON, Thomas CHRISTEN
1 May 2024
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Contributions to a Theory of Pure Exploration in Sequential Statistics
This thesis lies in the fields of artificial intelligence, sequential statistics and optimization. We focus on the problem of best (in …
Antoine BARRIER
20 July 2023
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On Best-Arm Identification with a Fixed Budget in Non-Parametric Multi-Armed Bandits
We lay the foundations of a non-parametric theory of best-arm identification in multi-armed bandits with a fixed budget T. We consider …
Antoine BARRIER, Aurélien GARIVIER, Gilles STOLTZ
1 March 2023
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A Non-Asymptotic Approach to Best-Arm Identification for Gaussian Bandits
We propose a new strategy for best-arm identification with fixed confidence and show non-asymptotic bounds for Gaussian variables with bounded means and unit variance.
Antoine BARRIER, Aurélien GARIVIER, Tomáš KOCÁK
1 April 2022
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A Non-Asymptotic Approach to Best-Arm Identification for Gaussian Bandits