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WARP-RM: Warp-Augmented Relative Progress Reward for Data Curation

WARP learns dense signed relative progress from successful demos via time-warp augmentations, then WARP-BC filters and reweights action chunks for behavior cloning. On bimanual T-shirt folding, throughput rises up to ~18× vs vanilla BC as suboptimal demos increase; in 512 paired sim bottle scenes it reaches 290 bottles/hr.