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Constrained Ensemble Exploration for Unsupervised Skill Discovery
May 28, 2024, 4:42 a.m. | Chenjia Bai, Rushuai Yang, Qiaosheng Zhang, Kang Xu, Yi Chen, Ting Xiao, Xuelong Li
cs.LG updates on arXiv.org arxiv.org
Abstract: Unsupervised Reinforcement Learning (RL) provides a promising paradigm for learning useful behaviors via reward-free per-training. Existing methods for unsupervised RL mainly conduct empowerment-driven skill discovery or entropy-based exploration. However, empowerment often leads to static skills, and pure exploration only maximizes the state coverage rather than learning useful behaviors. In this paper, we propose a novel unsupervised RL framework via an ensemble of skills, where each skill performs partition exploration based on the state prototypes. Thus, …
abstract arxiv coverage cs.lg discovery empowerment ensemble entropy exploration free however leads paradigm per reinforcement reinforcement learning skill skills state training type unsupervised via
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