Author

Yifan Liao

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#artificial intelligence Preprint Oct 2026

MimicX: Policy-in-the-Loop Supervision Refinement for Video-Driven Humanoid Motion Tracking

Human videos provide rich motion targets for humanoid learning, yet visually plausible references can still produce persistent failures under physics-based execution. These failures reveal where training supervision should change. We present MimicX, a policy-in-the-loop framework that uses execution feedback to refine...

Shuai-Jun Liu, Cheng-Long Zhang, Xu-Hao Liu et al. · 0 citations

#artificial intelligence Jun 2026

When New Generators Arrive: Lifelong Machine-Generated Text Attribution via Ridge Feature Transfer

RidgeFT is proposed, a lightweight analytic update framework that does not rely on exemplar replay and achieves the best overall macro-F1 across domains, backbones, and incremental protocols, while also improving both old-class retention and new-class adaptation.

Zhen Sun, Yifan Liao, Zhicong Huang et al. · arXiv.org · 3 citations