UniField++: A Unified Agentic Framework with Loop Reasoning for MRI Field-Strength Enhancement

UniField++ is a two‑agent framework that enhances MRI images across multiple field‑strength transitions, such as 64 mT‑to‑3 T and 3 T‑to‑7 T. It combines a VLM‑based planner that predicts risk regions and a flow‑matching enhancer that performs loop reasoning to refine high‑risk areas, guided by radiologist‑annotated hallucination‑prone regions. The method achieves significant improvements in PSNR, SSIM, and whole‑brain segmentation performance compared to existing approaches.

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• agents
• computer-vision
• multimodal
• benchmarks
• safety