Author

Dong-Fu Yin

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Preprint Sep 2026

Partition-Invariant Tuning for 3D Scene Understanding

Scene-level point cloud understanding remains challenging due to diverse geometries and spatial layouts. While pre-trained 3D point cloud foundation models (PFMs) offer strong transferability, full fine-tuning (FFT) incurs substantial computational and storage costs. Parameter-efficient fine-tuning (PEFT) provides a pr...

Hong-Qiang Lin, Tian-Le Wang, Shui-Wang Li et al. · 0 citations

Preprint Aug 2026

Motion-Saliency Complementary Masked Modeling for Point Cloud Video Understanding

MoSaiC, a novel Motion-Saliency Complementary masked modeling framework for self-supervised point cloud video representation learning, couples three components: Curriculum Motion-Saliency Masking (CMSM), which guides the masking process toward motion-salient tokens under a curriculum schedule; Normal-Flow Motion (NFM)...

Wei Wang, Yi-Ding Sun, Yuying Wang et al. · 0 citations