Learning from Active Human Involvement through Proxy Value Propagation

• URL: http://arxiv.org/abs/2502.03369v1
• Date: Wed, 05 Feb 2025 17:07:37 GMT
• Title: Learning from Active Human Involvement through Proxy Value Propagation
• Authors: Zhenghao Peng, Wenjie Mo, Chenda Duan, Quanyi Li, Bolei Zhou,
• Abstract summary: Learning from active human involvement enables the human subject to actively intervene and demonstrate to the AI agent during training. We propose a new reward-free active human involvement method called Proxy Value propagation for policy optimization. Our method can learn to solve continuous and discrete control tasks with various human control devices, including the challenging task of driving in Grand Theft Auto V.
• Score: 44.144964115275
• License:
• Abstract: Learning from active human involvement enables the human subject to actively intervene and demonstrate to the AI agent during training. The interaction and corrective feedback from human brings safety and AI alignment to the learning process. In this work, we propose a new reward-free active human involvement method called Proxy Value Propagation for policy optimization. Our key insight is that a proxy value function can be designed to express human intents, wherein state-action pairs in the human demonstration are labeled with high values, while those agents' actions that are intervened receive low values. Through the TD-learning framework, labeled values of demonstrated state-action pairs are further propagated to other unlabeled data generated from agents' exploration. The proxy value function thus induces a policy that faithfully emulates human behaviors. Human-in-the-loop experiments show the generality and efficiency of our method. With minimal modification to existing reinforcement learning algorithms, our method can learn to solve continuous and discrete control tasks with various human control devices, including the challenging task of driving in Grand Theft Auto V. Demo video and code are available at: https://metadriverse.github.io/pvp

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