Search Results for author: Alessandro Allievi

Found 4 papers, 1 papers with code

Models of human preference for learning reward functions

no code implementations5 Jun 2022 W. Bradley Knox, Stephane Hatgis-Kessell, Serena Booth, Scott Niekum, Peter Stone, Alessandro Allievi

We empirically show that our proposed regret preference model outperforms the partial return preference model with finite training data in otherwise the same setting.

Decision Making reinforcement-learning

The EMPATHIC Framework for Task Learning from Implicit Human Feedback

1 code implementation28 Sep 2020 Yuchen Cui, Qiping Zhang, Alessandro Allievi, Peter Stone, Scott Niekum, W. Bradley Knox

We train a deep neural network on this data and demonstrate its ability to (1) infer relative reward ranking of events in the training task from prerecorded human facial reactions; (2) improve the policy of an agent in the training task using live human facial reactions; and (3) transfer to a novel domain in which it evaluates robot manipulation trajectories.

Human-Computer Interaction Robotics

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