Author

Jie Xu

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Sep 2026

PromptMatch: Semi-supervised visual prompt tuning for medical image classification.

Visual prompt tuning (VPT) efficiently adapts foundation models for medical image classification but remains dependent on large labeled datasets. To overcome this, we explore semi-supervised learning (SSL) for label-efficient VPT. In VPT, while the backbone is well-regularized by large-scale pre-training to exhibit sta...

Jie Xu, Qiushi Yang, Wu-Tong Li et al. · Medical Image Analysis · 0 citations

Preprint Aug 2026

CARD: Calibration via Agreement in Reverse Diffusion for Out-of-Domain MRI Segmentation

Across cardiac, prostate and brain MRI shifts, CARD lowers calibration error in 45 of 49 comparisons against the strongest baseline in each setting, and maps the temporal aggregate of this disagreement to a temperature field applied per pixel across all classes, so that confidence changes while the segmentation does no...

Jiateng Dai, Wei Guo, Qing-Biao Li et al. · 0 citations