SphereFlow imputes missing modalities via hyperspherical transport
SphereFlow projects modalities to shared hypersphere for short-range cross-modal flow, achieving state-of-the-art on BraTS MRI imputation and closing 80% of segmentation gap.
Stories per day · 30 days
4 stories, newest first · one card per story
Stories tagged #mri
Fast Cross-Strength Multi-Contrast Brain MRI Translation using Latent Bridge Matching
Researchers present a single conditional latent bridge matching model for fast MRI cross-field-strength and modality translation, scoring competitively in the MRIxFields2026 challenge.
Bridging Modalities on the Cortex: Surface-based MRI to PET Translation with a Diffusion Bridge
DB-SUiT is a surface-based diffusion bridge generating synthetic FDG-PET from MRI on the cortical manifold, lifting dementia classification 14.2% over MRI.
Anatomical Grounding and Leakage-Aware Multimodal Contrastive Learning for Alzheimer's Disease Classification from Structural MRI
Study of label leakage and anatomical grounding in multimodal MRI models for Alzheimer's staging shows cognitive-score fusion accuracy of 87.3% is leakage-driven.