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Author

John V. Guttag

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#artificial intelligence Preprint Sep 2026

FleXray: Universal Clinical X-ray Segmentation

X-ray is medicine's most widely used imaging modality, yet remains among its least quantitative. Unlike volumetric modalities like CT or MRI, X-ray collapses 3D anatomy into a 2D projection, causing structures to overlap and anatomical boundaries to be ambiguous, even to experts. As a result, labeling X-ray databases f...

V. Butoi, Vivek Gopalakrishnan, John V. Guttag et al. · 0 citations
#artificial intelligence Preprint Sep 2026

A Removal Based Approach to Improve LLM Faithfulness at Test-Time

Large language models (LLMs) are increasingly used for consequential decisions, making their explanations an important tool for auditing model behavior. Unfortunately, these explanations can be unfaithful, failing to reflect the actual reasoning underlying the model's decisions. We consider a setting in which an LLM pr...

Qing Luo, S. Nahian, John V. Guttag et al. · 0 citations

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