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2026-07-13agentsrlhfcode

A Minimalist Retargeting-Guided Reinforcement Learning Recipe for Dexterous Manipulation

Yunhai Feng, Natalie Leung, Jiaxuan Wang, Lujie Yang, Haozhi Qi, Preston Culbertson

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Key claim

REGRIND enables effective sim-to-real transfer for dexterous tasks.

In plain English

Humanoid robots struggle with dexterous manipulation due to the complexity of contact-rich tasks. Current methods often fail to effectively transfer learned behaviors from simulations to real-world applications. REGRIND addresses this by using a minimalist retargeting-guided reinforcement learning pipeline that learns from a single human demonstration. Builders might find this approach valuable as it simplifies the training process and enhances the performance of robots in practical tool-use scenarios.

Novelty
8.0/10

Introduces a novel retargeting-guided RL approach for dexterous manipulation.

Reliability
7.5/10

Demonstrates solid results in hardware experiments with clear analysis.

Deep reliability assessment

The methodology supports the claim that interaction-preserving retargeting can improve sim-to-real transfer for dexterous manipulation, but the generalizability across different tasks and environments is not fully explored.

Reproducibility

Yes, the paper mentions that code and data are available at https://yunhaifeng.com/REGRIND.

Key figure

Figure 1 illustrates the dexterous tool use tasks evaluated in the study, showing different task-hand settings across two robot hands.

Codelink
yunhaifeng.com/REGRINDOfficial