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Tian-Yi Shang

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Preprint Sep 2026

PosEviLoc: Position-Conditioned Spatial Evidence for Language-Based 3D Localization

Language-based 3D localization retrieves the point-cloud submap containing a target position from descriptions of nearby objects and their spatial relations. Existing methods typically compress queries and submaps into global descriptors, potentially obscuring object-level semantics and cross-description spatial cohere...

Tian-Yi Shang, Yi-Ke Shi, Zhen-Yu Li · 0 citations
2026

Hybrid State Space Modeling for Sequence-Based Robot Localization Under Challenging Environments

Visual localization is vital for autonomous systems but remains challenging under dynamic conditions. Transformers offer strong temporal modeling at quadratic cost, while CNNs are efficient yet limited in long-range dependencies. Existing methods also lack robustness to illumination, weather, and seasonal changes, cons...

Zhenyu Li, Tian-Yi Shang · 0 citations

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