Author

Zimeng Wu

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Preprint Aug 2026

MedClaw: Heuristic Agent Harness for Long-Horizon Surgical Video Reasoning

This work builds an agent harness that separates reasoning from perception and improves by evolving context rather than optimizing weights, and proposes a gradient-free, reward-gated Heuristic Skill Distillation loop that mines the agent's own low-scoring traces and keeps a candidate skill only when it raises a validation reward, yielding reusable retrieval skills, notably directed re-look.

Yingying Fan, Penghui Du, Leyan Zhu et al. · 0 citations

Preprint Aug 2026

GroupForward: Building Referable 3D Scenes via Instance-Grouped Feed-Forward Gaussian Splatting

This work proposes GroupForward, an instance-grouped feed-forward Gaussian splatting model that reconstructs geometry, appearance, instance structure, and semantics from sparse, unposed, and uncalibrated multi-view images and proposes a Referential Scene Reasoning Framework (RSRF) for complex 3D referring segmentation.

Qijian Tian, Zimeng Wu, Xuhong Wang et al. · 0 citations