Hydrogels and MRI: meet three biomedical engineers reshaping health care
Researchers are making great advances across medical disciplines, using a wide range of tools and processes.
Nature AI9 min read
MRI
6 stories
Zero-Shot Brain MRI Inpainting with 2.5D Unconditional Flow Priors
Generative inpainting of brain MRI volumes is essential for synthesizing healthy tissue in pathological regions, improving the accuracy and reliability of automated downstream brain analysis applications such as image registration, brain extraction, and segmentation.
arXiv - cs.CV (CV)2 min readOne Frame, Full Heartbeat: ECG-Free 4D Cardiac Cine MRI Synthesis via Radial-Decomposed Flow Matching
Cine cardiovascular magnetic resonance (CMR) captures the cardiac cycle as a four-dimensional (4D) sequence, but standard acquisition requires electrocardiogram (ECG) gating and repeated breath holds.
arXiv - cs.CV (CV)2 min readLearning Subject-Specific Anatomical Representations via Manifold Expansion: Application to Accelerated Multi-Contrast MRI
Clinical MRI routinely acquires multiple contrast-weighted images of the same anatomy for complementary tissue characterization. However, current accelerated MRI methods typically reconstruct each contrast independently, without fully exploiting shared anatomical information.
arXiv - cs.CV (CV)2 min readScores That Hold, Benchmarks That Leak: Measuring Dataset Contamination in Public Brain-Tumor MRI Classification
Automated classification of brain tumors from MRI is a heavily published application of deep learning in medical imaging, with reported accuracies on public benchmarks routinely exceeding 98%.
arXiv - cs.CV (CV)2 min readTowards Brain MRI Foundation Models for the Clinic: Findings from the FOMO25 Challenge
Task-specific supervised models dominate neuroimaging ML, but they degrade on real clinical data and on scans from new sites, vendors, or populations. The root issue is a structural mismatch: clinical workflows generate huge volumes of MRI, yet only a tiny, mostly research-grade fraction is ever…
VITALab6 min read
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