Sharper Insights for Safer Scans: AI for Low‑Dose CT Image Quality

Kari Jaaskelainen

11 Nov 2025 — 1 min read

Lowering CT radiation keeps patients safer—but it can make images noisy and blurry. LMM-IQA is an AI that judges low‑dose CT quality and explains what went wrong.

Gives a quality score plus short, plain‑English notes on noise, blur, and contrast loss.
Works without task‑specific training and gets better when given scan metadata.
Uses error‑feedback to refine its assessments and boost consistency.

Why it matters: consistent, transparent image checks help clinicians spot when quality could hide disease, while keeping doses low.

Paper: http://arxiv.org/abs/2511.07298v1 • Code: https://github.com/itu-biai/lmms_ldct_iqa

Paper: http://arxiv.org/abs/2511.07298v1

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