Author

Amir Sabbaghziarani

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Preprint Aug 2026

Confident but Unreliable: A Behavioral Safety Audit of Vision-Language Models on Brain MRI

It is argued that medical-image VLM evaluation should report verbalized-confidence reliability, confident error, hallucination, and abstention alongside accuracy, and that medical adaptation improves tumor-presence detection without improving confidence reliability.

Amir Sabbaghziarani, Mohammadsajad Abavisani, Sergey M. Plis · 0 citations

Preprint Aug 2026

FlexSplat: Flexible Feed-Forward 3D Gaussian Splatting without Point Cloud Correspondence

FlexSplat matches or approaches posed state-of-the-art reconstructors while requiring neither camera poses nor ground-truth depth, and matches the best perceptual (LPIPS) quality among the compared methods on GSO.

Amir Sabbaghziarani, Han-Ting Ye, Maria Gorlatova et al. · 0 citations