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Ask Your Humans: Using Human Instructions to Improve Generalization in Reinforcement Learning

ICLR 2021 · Reinforcement learning › Visual and representation RL · approach: In-context and adaptive RL · 6 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use human-language high-level instructions with a language-conditioned policyCrafting agent on unseen tasks · Zero-shot crafts (35 unseen), Overall-AVGaccuracy: 55 -> 69Helped
Use human-language high-level instructions with a language-conditioned policyCrafting agent on unseen tasks · Zero-shot crafts, 5-AVGaccuracy: 0 -> 10Helped
Add sparse-reward RL fine-tuning after human demonstration pretrainingIL w/ Generative Language · Standard setting, difficult crafting tasksaccuracyHelped
Add human demonstrations to RL trainingRL crafting agent · Standard setting, tasks with 3 or more stepsaccuracyHelped
Use only 25% of the human demonstrations instead of the full dataset (ablation)Ours · Standard setting, hardest tasksaccuracyHurt
Replace generated language with discriminative selection from a fixed instruction set (ablation)IL language model · Standard settinginterpretabilityHurt
Remove the state encoding from the policy input (ablation)Ours · Standard setting, 1-step taskaccuracyHurt
Use state reconstruction as the high-level representation instead of language (ablation)Crafting agent · Zero-shot crafts (35 unseen), Overall-AVGaccuracy: 30 -> 69Hurt
Use state prediction as the high-level representation instead of language (ablation)Crafting agent · Zero-shot crafts (35 unseen), Overall-AVGaccuracy: 22 -> 69Hurt
Train with demonstrations but omit natural-language instructions (ablation)IL+RL · Zero-shot crafts (35 unseen), Overall-AVGaccuracy: 55 -> 69Hurt

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