4 papers
OutLangSplat: 3D Language Gaussian Splatting for UAV Outdoor Scenes
Xia Yan, He Wu, Yanghui Xu +2
3D Language Gaussian Splatting embeds open-vocabulary language features into 3D Gaussian Splatting, providing an efficient explicit representation for text-driven 3D scene understa…
OpenTrack3D: Towards Accurate and Generalizable Open-Vocabulary 3D Instance Segmentation
Zhishan Zhou, Siyuan Wei, Zengran Wang +3
Generalizing open-vocabulary 3D instance segmentation (OV-3DIS) to diverse, unstructured, and mesh-free environments is crucial for robotics and AR/VR, yet remains a significant ch…
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…
Disc3D: Automatic Curation of High-Quality 3D Dialog Data via Discriminative Object Referring
Siyuan Wei, Chunjie Wang, Xiao Liu +3
3D Multi-modal Large Language Models (MLLMs) still lag behind their 2D peers, largely because large-scale, high-quality 3D scene-dialogue datasets remain scarce. Prior efforts hing…