Author

Sonnet Xu

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Conference Open access Oct 2026

When Reasoning Hurts Confidence: Demographic Calibration of Vision-Language Models in Medicine (Extended Abstract)

Vision-language models (VLMs) are increasingly evaluated as diagnostic aids in medical imaging, yet clinical deployment requires confidence estimates that are reliable and equitable across patient demographics. When a model reports 80% confidence, it should be correct about 80% of the time, for every patient group and...

Sonnet Xu, Roxana Daneshjou · Proceedings of the AAAI/ACM... · 0 citations

#artificial intelligence Preprint Oct 2026

Zephon: Elastic Determinism for Online, Stateful Foundation Model Data Loading Pipelines

Zephon is presented, a data loader for foundation models that supports online, stateful pipelines while providing elastic determinism and efficient resumption from checkpoints and achieves competitive throughput while providing a combination of guarantees that no existing loader offers for online, stateful pipelines.

Maximilian Bother, Josh Wills, Ties Robroek et al. · 0 citations