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Article overview
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Human-AI Shared Control via Frequency-based Policy Dissection | | Quanyi Li
; Zhenghao Peng
; Haibin Wu
; Lan Feng
; Bolei Zhou
; | | Date: |
1 Jun 2022 | | Abstract: | Human-AI shared control allows human to interact and collaborate with AI to
accomplish control tasks in complex environments. Previous Reinforcement
Learning (RL) methods attempt the goal-conditioned design to achieve
human-controllable policies at the cost of redesigning the reward function and
training paradigm. Inspired by the neuroscience approach to investigate the
motor cortex in primates, we develop a simple yet effective frequency-based
approach called extit{Policy Dissection} to align the intermediate
representation of the learned neural controller with the kinematic attributes
of the agent behavior. Without modifying the neural controller or retraining
the model, the proposed approach can convert a given RL-trained policy into a
human-interactive policy. We evaluate the proposed approach on the RL tasks of
autonomous driving and locomotion. The experiments show that human-AI shared
control achieved by Policy Dissection in driving task can substantially improve
the performance and safety in unseen traffic scenes. With human in the loop,
the locomotion robots also exhibit versatile controllable motion skills even
though they are only trained to move forward. Our results suggest the promising
direction of implementing human-AI shared autonomy through interpreting the
learned representation of the autonomous agents. Demo video and code will be
made available at this https URL | | Source: | arXiv, 2206.00152 | | Services: | Forum | Review | PDF | Favorites | |
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