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When in Doubt, Think Slow: Iterative Reasoning with Latent Imagination
Feb. 26, 2024, 5:42 a.m. | Martin Benfeghoul, Umais Zahid, Qinghai Guo, Zafeirios Fountas
cs.LG updates on arXiv.org arxiv.org
Abstract: In an unfamiliar setting, a model-based reinforcement learning agent can be limited by the accuracy of its world model. In this work, we present a novel, training-free approach to improving the performance of such agents separately from planning and learning. We do so by applying iterative inference at decision-time, to fine-tune the inferred agent states based on the coherence of future state representations. Our approach achieves a consistent improvement in both reconstruction accuracy and task …
abstract accuracy agent agents arxiv cs.ai cs.lg free imagination iterative novel performance planning reasoning reinforcement reinforcement learning think training type work world
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