3 papers
cs.CV2025
Fast Wrong-way Cycling Detection in CCTV Videos: Sparse Sampling is All You Need
Jing Xu, Wentao Shi, Sheng Ren +4
Effective monitoring of unusual transportation behaviors, such as wrong-way cycling (i.e., riding a bicycle or e-bike against designated traffic flow), is crucial for optimizing la…
cs.CV2025
Simba: Towards High-Fidelity and Geometrically-Consistent Point Cloud Completion via Transformation Diffusion
Lirui Zhang, Zhengkai Zhao, Zhi Zuo +2
Point cloud completion is a fundamental task in 3D vision. A persistent challenge in this field is simultaneously preserving fine-grained details present in the input while ensurin…
cs.CV2025
Uni4D: A Unified Self-Supervised Learning Framework for Point Cloud Videos
Zhi Zuo, Chenyi Zhuang, Pan Gao +3
Self-supervised representation learning for point cloud videos remains a challenging problem with two key limitations: (1) existing methods rely on explicit knowledge to learn moti…