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Villanova University

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Representative Papers

Q-based Variational Inverse Reinforcement Learning

Aug 17, 2026

This study addresses the challenge of simultaneously achieving scalability and uncertainty quantification in inverse reinforcement learning by proposing QVIRL. By learning a variational distribution over optimal Q-values to recover the reward posterior, QVIRL constitutes the first Bayesian inverse reinforcement learning framework that supports raw pixel inputs while providing uncertainty quantification. The method effectively integrates variational inference with active learning, demonstrating superior performance across multiple benchmark tasks and ATARI games. Consequently, QVIRL successfully enables high-dimensional pixel-level training and efficient sample acquisition, significantly enhancing both the scalability and practical applicability of the algorithm.

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Latest Papers

Q-based Variational Inverse Reinforcement Learning

Aug 17, 2026

This study addresses the challenge of simultaneously achieving scalability and uncertainty quantification in inverse reinforcement learning by proposing QVIRL. By learning a variational distribution over optimal Q-values to recover the reward posterior, QVIRL constitutes the first Bayesian inverse reinforcement learning framework that supports raw pixel inputs while providing uncertainty quantification. The method effectively integrates variational inference with active learning, demonstrating superior performance across multiple benchmark tasks and ATARI games. Consequently, QVIRL successfully enables high-dimensional pixel-level training and efficient sample acquisition, significantly enhancing both the scalability and practical applicability of the algorithm.

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