Author

Shudong Zhou

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Preprint Sep 2026

Spectral Consistency-Guided Multiview Point Cloud Registration for Low-Overlap Scenes

Multiview point cloud registration is particularly challenging in low-overlap scenes, where reliable correspondences are limited and incorrect pairwise transformations can affect global pose estimation. In addition, registering all scan pairs is computationally expensive because many pairs provide weak geometric inform...

Tian-Yu Li, Yang-Hong Lin, Shu-Dong Zhou et al. · 0 citations

Open access Jul 2026

Towards Open-Vocabulary ALS Point Clouds Semantic Segmentation: An Empirical Study

A zero-shot, open-vocabulary semantic segmentation framework for ALS point clouds based on 2D-3D transfer, utilizing three types of VFMs and introduces an adaptive global view projection module that derives optimal virtual camera poses and field-of-view (FOV) from scene extents, effectively enabling the application of...

Yang-Hong Lin, Tian-Yu Li, Shu-Dong Zhou et al. · The International Archives o... · 1 citation

#small language model Preprint Aug 2026

COSTA: A Cluster-Centric Paradigm for Annotation-Free Open-Set Semantic Segmentation of Aerial Point Clouds with Domain Shifts

COSTA leverages the domain gap through proven test-time adaptation, and groups each batch of target-domain points into a small set of semantic clusters based on the similarity distribution in the adapted feature space, and propagates high-confidence pseudo labels obtained from an open-vocabulary vision-language model t...

Yanghong Lin, Li Fang, Tianyu Li et al. · 0 citations