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Title: STM-GAIL: Spatial-Temporal Meta-GAIL for Learning Diverse Human Driving Strategies
Award ID(s):
1942680 1952085
NSF-PAR ID:
10420174
Author(s) / Creator(s):
; ; ; ;
Date Published:
Journal Name:
2023 SIAM International Conference on Data Mining (SDM)
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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    Imitation learning (IL) aims to learn a policy from expert demonstrations that minimizes the discrepancy between the learner and expert behaviors. Various imitation learning algorithms have been proposed with different pre-determined divergences to quantify the discrepancy. This naturally gives rise to the following question: Given a set of expert demonstrations, which divergence can recover the expert policy more accurately with higher data efficiency? In this work, we propose f-GAIL – a new generative adversarial imitation learning model – that automatically learns a discrepancy measure from the f-divergence family as well as a policy capable of producing expert-like behaviors. Compared with IL baselines with various predefined divergence measures, f-GAIL learns better policies with higher data efficiency in six physics-based control tasks. 
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