PolicyGuard provides a test-time step-level defense against backdoor attacks in RL using GP posterior variance, showing high detection AUROC on seven games.
arXiv preprint arXiv:2110.02797 , year=
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PolicyGuard: Towards Test-time and Step-level Adversary (Backdoor) Defense for Reinforcement Learning Agent
PolicyGuard provides a test-time step-level defense against backdoor attacks in RL using GP posterior variance, showing high detection AUROC on seven games.