4 papers
Optimizing 3D Diffusion Models for Medical Imaging via Multi-Scale Reward Learning
Yueying Tian, Xudong Han, Meng Zhou +3
Diffusion models have emerged as powerful tools for 3D medical image generation, yet bridging the gap between standard training objectives and clinical relevance remains a challeng…
GRASPTrack: Geometry-Reasoned Association via Segmentation and Projection for Multi-Object Tracking
Xudong Han, Pengcheng Fang, Yueying Tian +4
Multi-object tracking (MOT) in monocular videos is fundamentally challenged by occlusions and depth ambiguity, issues that conventional tracking-by-detection (TBD) methods struggle…
Enhancing Fetal Plane Classification Accuracy with Data Augmentation Using Diffusion Models
Yueying Tian, Elif Ucurum, Xudong Han +3
Ultrasound imaging is widely used in medical diagnosis, especially for fetal health assessment. However, the availability of high-quality annotated ultrasound images is limited, wh…
ETTrack: Enhanced Temporal Motion Predictor for Multi-Object Tracking
Xudong Han, Nobuyuki Oishi, Yueying Tian +4
Many Multi-Object Tracking (MOT) approaches exploit motion information to associate all the detected objects across frames. However, many methods that rely on filtering-based algor…