Author

Hongyan Feng

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#artificial intelligence Preprint Oct 2026

VLA-Rolling: Fewer Denoising Steps, Better Control via Adaptive Action Reuse

VLA-Rolling is introduced, a lightweight inference framework that reuses action tails through three stages: action-tail inheritance, per-action confidence estimation, and confidence-guided refinement through renoising and denoising budget allocation, while the underlying VLA remains frozen.

Si-Cheng He, Ying-Ying Pan, Qiu-Ting Yu et al. · 0 citations

Preprint Aug 2026

Embodied-Navigator: Point, Think, Memorize, and Align for Efficient Navigation

This work proposes TAMP-Nav, a unified framework for efficient embodied navigation that dynamically triggers Chain-of-Thought and retains high-fidelity memory only at critical nodes, compressing redundant trajectories into lightweight Space-Time Indicators, thereby preserving critical historical information and enhanci...

Hongyan Feng, Sun-Lai Chen, Xuan-Yu Liu et al. · 1 citation