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Learning Generalizable Representations for Reinforcement Learning via Adaptive Meta-learner of Behavioral Similarities

ICLR 2022 · Reinforcement learning › Visual and representation RL · approach: Learned state and action representations · 2 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, C-swingupscore: 749 ± 19 -> 807 ± 41Helped
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, F-spinscore: 779 ± 49 -> 933 ± 96Helped
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, C-runscore: 308 ± 12 -> 332 ± 27Helped
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, W-walkscore: 789 ± 28 -> 893 ± 85Helped
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, R-easyscore: 955 ± 10 -> 980 ± 11Helped
Use AMBS instead of DrQ + PSEsRL representation learning · DAVIS unseen backgrounds, BiC-catchscore: 821 ± 17 -> 944 ± 59Helped
Add learned meta-learners for reward and dynamics similarities instead of L1 distance (ablation)AMBS · DMC natural video background, cheetah-run and walker-walkRL performanceHelped
Add data augmentation (ablation)AMBS · DMC natural video background, cheetah-run and walker-walkRL performanceHelped
Adaptively balance reward and dynamics representations with a learned weight (ablation)AMBS · DMC natural video background, cheetah-run and walker-walkRL performanceHelped
Learn the reward-dynamics weight instead of fixing it at 0.5 (ablation)AMBS · DMC natural video background, cheetah-run and walker-walkRL performanceHelped
Learn the reward-dynamics weight instead of fixing reward weight to 1 and dynamics weight to γ (ablation)AMBS · DMC natural video background, cheetah-run and walker-walkRL performanceHelped
Share only convolutional layers between actor and critic instead of sharing the full encoders (ablation)AMBS · Walker-walk, natural video backgroundRL performanceHelped

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