Author

Rong-Jun Jin

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Preprint Sep 2026

GE-Act 2.0: Pretraining and Scaling a World-Action Model for Robotic Manipulation

World-action models (WAM) predict future states to guide robot actions, enabling learning from both action-free video and action-labeled interaction. Most inherit pretrained video generators, leaving WAM pretraining and scaling underexplored. We introduce Genie Envisioner Act 2.0 (GE-Act 2.0), a world-action model whos...

AgiBot Research Team, Renhang Liu, Wen-Zhi Zhao et al. · 2 citations · ⚡1

#artificial intelligence Preprint Sep 2026

ActSafeGuard: Differentiable and Training-Aligned Constraint Enforcement for Flow-Matching Policies

ActSafeGuard is introduced, a differentiable and training-aligned safeguard layer for flow-matching based policies that integrates hard action feasibility into policy learning, not merely treating safety as an inference-time external component.

Jian-Ming Ma, Rong-Jun Jin, Xia-Xi Si et al. · 0 citations