Publications
Recent Publications
Let Distortion Guide Restoration (DGR): A Physics-informed Learning Framework for Prostate Diffusion MRI
Z. Long et al., arXiv preprint, 2025
Ever tried to read text through a funhouse mirror? That's what geometric distortion does to prostate MRI scans. In this work, I turned that around — the distortion itself teaches a diffusion model how to undo it. The approach outperformed existing methods by a solid margin, both in math-y metrics (NMSE) and in what actually matters: radiologists thought the images looked better.
Improving Fat-Saturation Robustness with Local B₀ Shimming
Z. Long et al., Magnetic Resonance in Medicine, 2025
If you've ever had a knee MRI, there's a decent chance the fat suppression wasn't perfectly uniform (sorry!). I designed a custom shimming coil that sits right where the problem is — near the joint — and cleans up the magnetic field locally. Think of it as giving the MRI scanner a pair of reading glasses for your extremities.