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Author

Shuaihang Yuan

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Open access Jun 2025

Hierarchical Scoring With 3D Gaussian Splatting for Instance Image-Goal Navigation

Instance Image-Goal Navigation (IIN) asks an agent to locate the specific object instance shown in a goal image. Existing 3D Gaussian Splatting (3DGS) based methods rely on pose-centric search—sampling many viewpoints, rendering them, and comparing against the goal—which is inefficient in continuous 6-DoF space. We ins...

Yijie Deng, Shuaihang Yuan, Geeta Chandra Raju Bethala et al. · 3 citations · ⚡1
Preprint Sep 2026

CST-WM: A Causally Structured World Model for Embodied Visual Tracking

Embodied visual tracking requires a robot not only to react to the current view, but to choose actions that preserve or recover future evidence of a moving target under ego-motion, occlusion, and distractors. It is therefore a predictive decision problem over future target observability and apparent scale. A central di...

Jun-Yi Hu, Shuaihang Yuan, Yi Fang · 0 citations

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