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Author

Jong Chul Ye

2 papers indexed here

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#artificial intelligence Preprint Sep 2026

Don't Throw Away the Tail: Action Upcycling for Policy Acceleration

This work proposes Action Upcycling, a training-free algorithm that reuses actions the policy would otherwise discard, without accessing model internals or drawing extra samples, and finds that discarded actions stay close to their replanned versions as long as the action velocity remains smooth.

Taesung Kwon, Jangho Park, Sunwoo Park et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Dynamic Manipulation with World-Action Models via Counterfactual Planning

DPP enables real-time dynamic manipulation on a single consumer GPU without additional training on dynamic data and constructs a counterfactual observation that places a predicted target position in a familiar robot context, allowing the model to invoke an existing manipulation skill rather than generate a recovery beh...

Sunwoo Park, Won-Sang Lee, Seonghyun Jin et al. · 0 citations

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