Author

Dexuan Lyu

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Preprint Oct 2026

Rethinking World-Action Model for Compositional and In-Context Robotic Manipulation

Long-horizon compositional manipulation has become increasingly important for real-world robot deployment, where a single task involves multiple coordinated subtasks. Existing world-action models (WAMs) jointly predict short-horizon visual futures and actions, but typically lack explicit subtask-level reasoning. We pro...

Shu-Kai Gong, Xuan-Ran Zhai, Yintianrun Zhang et al. · 0 citations

Preprint Sep 2026

GRF-Recon: Global Ray-Field Optimization for Long-Sequence Feed-forward Reconstruction

This work presents a unified framework for stable and scalable feed-forward 3D reconstruction from long monocular sequences and introduces a hybrid-weight sparse ray-field optimization that leverages high-frequency geometric features to guide local point-cloud refinement and enforce consistent inter-frame ray constrain...

En-Peng Li, Yun-Zhou Zhang, Zhiyao Zhang et al. · 0 citations