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cs.CV2026
PRISM: Differentiable Analysis-by-Synthesis for Fixel Recovery in Diffusion MRI
Mohamed Abouagour, Atharva Shah, Eleftherios Garyfallidis
Diffusion MRI microstructure fitting is nonconvex and often performed voxelwise, which limits fiber peak recovery in narrow crossings. This work introduces PRISM, a differentiable…
cs.CV2026
SuCor: Susceptibility Distortion Correction via Parameter-Free and Self-Regularized Optimal Transport
Sreekar Chigurupati, Eleftherios Garyfallidis
We present SuCor, a method for correcting susceptibility induced geometric distortions in echo planar imaging (EPI) using optimal transport (OT) along the phase encoding direction.…