3 papers
cs.CV2026
TIBR4D: Tracing-Guided Iterative Boundary Refinement for Efficient 4D Gaussian Segmentation
He Wu, Xia Yan, Yanghui Xu +2
Object-level segmentation in dynamic 4D Gaussian scenes remains challenging due to complex motion, occlusions, and ambiguous boundaries. In this paper, we present an efficient lear…
cs.GR2025
BATISNet: Instance Segmentation of Tooth Point Clouds with Boundary Awareness
Yating Cai, Yanghui Xu, Zehua Hu +2
Accurate segmentation of the tooth point cloud is of great significance for diagnosis clinical assisting and treatment planning. Existing methods mostly employ semantic segmentatio…
cs.CV2024
Transformer-Based Tooth Alignment Prediction With Occlusion And Collision Constraints
ZhenXing Dong, JiaZhou Chen, YangHui Xu
The planning of digital orthodontic treatment requires providing tooth alignment, which not only consumes a lot of time and labor to determine manually but also relays clinical exp…