3 papers
cs.CV2026
SCCL-DT: Semantic-Conflict-Aware Contrastive Learning with Dual-Rule Teacher Distillation for Zero-Shot Chest X-Ray Diagnosis
Ting Liu, Haoran Lai, HaobinChen +2
Contrastive vision-language pre-training supports zero-shot chest X-ray diagnosis, but standard objectives treat every off-diagonal image-report pair in a batch as a negative. In r…
cs.CV2026
LASSNet: Level-Aware Availability-Conditioned Spatial-Semantic Fusion for Brain Tumor Segmentation with Missing MRI Modalities
Haobin Chen, Ao Chang, Rundong Wang +3
Brain tumor segmentation from multimodal MRI relies on complementary evidence across four imaging sequences, yet one or more modalities may be unavailable because of acquisition co…
cs.CV2026
MARR: Decoupling Policy, Execution, and Calibration for All-in-One Medical Image Restoration
Haobin Chen, Ao Chang, Heqin Zhu +3
All-in-one medical image restoration seeks to recover heterogeneous clinical images with a single model, but PET, CT, and MRI differ substantially in degradation statistics, anatom…