Author

Zheng-Hao Zhang

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Preprint Sep 2026

VideoReloc: Long-Term Indoor Video Relocalization against a Kilobyte-Scale Semantic Scene Graph

This work introduces VideoReloc, whose adaptive clips use odometry to gather spatial evidence until object and motion criteria are met, adapting query length to the observed scene, and reframes sparse-map relocalization as verification of spatially extended video queries.

Qian-Ru Li, Xu-Yang Chen, Xu-Qin Wang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

MSSP: Multi-Scale Spatially-Constrained Partition for Unsupervised Semantic Segmentation of 3D Point Clouds

A regularize-then-enrich interaction is revealed: multi-scale features alone do not improve final segmentation, yet become highly effective when coupled with spatial regularization, underscoring that spatial coherence is aprerequisite for multi-scale representations in superpoint clustering.

Zheng-Hao Zhang, Xin-Jie Wang, Wei Wang et al. · 0 citations