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Seohong Park wrote a blog post about mysteries in behavioral cloning with real-world robot data, such as overfitting being beneficial, and shared thoughts on demystifying them.
Introduces Flow Reversal Steering (FRS), a method to refine coarse actions from semantic reasoning into precise robot actions by reversing and re-denoising through a flow-matching generalist policy, improving zero-shot control and enabling policy learning.
This article explains Behavioral Cloning, an imitation learning technique used to train policies from expert demonstrations, discussing its theoretical basis in maximum likelihood estimation and its historical applications like AlphaGo.