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- W4387221967 abstract "Enabling robots to effectively imitate expert skills in longhorizon tasks such as locomotion, manipulation, and more, poses a long-standing challenge. Existing imitation learning (IL) approaches for robots still grapple with sub-optimal performance in complex tasks. In this paper, we consider how this challenge can be addressed within the human cognitive priors. Heuristically, we extend the usual notion of action to a dual Cognition (high-level)-Action (low-level) architecture by introducing intuitive human cognitive priors, and propose a novel skill IL framework through human-robot interaction, called Cognition-Action-based Skill Imitation Learning (CasIL), for the robotic agent to effectively cognize and imitate the critical skills from raw visual demonstrations. CasIL enables both cognition and action imitation, while high-level skill cognition explicitly guides low-level primitive actions, providing robustness and reliability to the entire skill IL process. We evaluated our method on MuJoCo and RLBench benchmarks, as well as on the obstacle avoidance and point-goal navigation tasks for quadrupedal robot locomotion. Experimental results show that our CasIL consistently achieves competitive and robust skill imitation capability compared to other counterparts in a variety of long-horizon robotic tasks." @default.
- W4387221967 created "2023-10-01" @default.
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- W4387221967 date "2023-09-28" @default.
- W4387221967 modified "2023-10-01" @default.
- W4387221967 title "CasIL: Cognizing and Imitating Skills via a Dual Cognition-Action Architecture" @default.
- W4387221967 doi "https://doi.org/10.48550/arxiv.2309.16299" @default.
- W4387221967 hasPublicationYear "2023" @default.
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