collaborators

7 papers

cs.CV2026

TSegAgent: Zero-Shot Tooth Segmentation via Geometry-Aware Vision-Language Agents

Shaojie Zhuang, Lu Yin, Guangshun Wei +3

Automatic tooth segmentation and identification from intra-oral scanned 3D models are fundamental problems in digital dentistry, yet most existing approaches rely on task-specific…

cs.CV2026

Calibrating Probabilistic Object Detectors with Annotator Disagreement

Zhi Qin Tan, Owen Addison, Yunpeng Li

High degrees of disagreement among annotators can exist for ambiguous objects, e.g. in medical images, underscoring the challenges of establishing ground truth annotations in objec…

cs.CV2026

DentalX: Context-Aware Dental Disease Detection with Radiographs

Zhi Qin Tan, Xiatian Zhu, Owen Addison +1

Diagnosing dental diseases from radiographs is time-consuming and challenging due to the subtle nature of diagnostic evidence. Existing methods, which rely on object detection mode…

cs.CV2025

U-Mamba2: Scaling State Space Models for Dental Anatomy Segmentation in CBCT

Zhi Qin Tan, Xiatian Zhu, Owen Addison +1

Cone-Beam Computed Tomography (CBCT) is a widely used 3D imaging technique in dentistry, providing volumetric information about the anatomical structures of jaws and teeth. Accurat…

cs.CV2025

U-Mamba2-SSL for Semi-Supervised Tooth and Pulp Segmentation in CBCT

Zhi Qin Tan, Xiatian Zhu, Owen Addison +1

Accurate segmentation of teeth and pulp in Cone-Beam Computed Tomography (CBCT) is vital for clinical applications like treatment planning and diagnosis. However, this process requ…

cs.CV2025

Foundational Models for 3D Point Clouds: A Survey and Outlook

Vishal Thengane, Xiatian Zhu, Salim Bouzerdoum +2

The 3D point cloud representation plays a crucial role in preserving the geometric fidelity of the physical world, enabling more accurate complex 3D environments. While humans natu…