Author

Kien Nguyen

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Preprint Oct 2026

NavAble: A Large-Scale Dataset and Synthetic Data Generation Pipeline for Blind Navigation

Reliable recognition of accessibility-critical objects (e.g., audible pedestrian signals, door-activation buttons, and handrails) is essential for assistive navigation technologies that support safe, independent mobility for blind and low-vision (BLV) users. Yet these categories are underrepresented in existing large-s...

Hochul Hwang, Jahir Sadik Monon, Soowan Yang et al. · 0 citations

#artificial intelligence Preprint Oct 2026

OpenSplatGraph: From Dense Semantic Maps to Structured Scene Graphs for Open-Vocabulary Robot Perception

Dense 3D mapping with semantic understanding is essential for robotic perception in complex environments. Recent 3D Gaussian Splatting-based mapping approaches enable high-fidelity geometry and efficient open-vocabulary perception, but typically represent semantics as unstructured feature fields that limit object-centr...

B. Nguyen, Kien Nguyen, Clinton Fookes et al. · 0 citations