4 papers · 1 filter
Decoupling Motion and Geometry in 4D Gaussian Splatting
Yi Zhang, Yulei Kang, Jiangxin Sun +3
High-fidelity reconstruction of dynamic scenes is an important yet challenging problem. While recent 4D Gaussian Splatting (4DGS) has demonstrated the ability to model temporal dyn…
MLRecon: Robust Markerless Freehand 3D Ultrasound Reconstruction via Coarse-to-Fine Pose Estimation
Yi Zhang, Puxun Tu, Kun Wang +3
Freehand 3D ultrasound (US) reconstruction promises volumetric imaging with the flexibility of standard 2D probes, yet existing tracking paradigms face a restrictive trilemma: mark…
Null-LoRA: Low-Rank Adaptation on Null Space
Yi Zhang, Yulei Kang, Haoxuan Chen +2
Parameter-efficient fine-tuning methods have gained considerable popularity for adapting large-scale models to downstream tasks, particularly LoRA and its variants. Existing method…
TubeRMC: Tube-conditioned Reconstruction with Mutual Constraints for Weakly-supervised Spatio-Temporal Video Grounding
Jinxuan Li, Yi Zhang, Jian-Fang Hu +3
Spatio-Temporal Video Grounding (STVG) aims to localize a spatio-temporal tube that corresponds to a given language query in an untrimmed video. This is a challenging task since it…