Publications.

Peer-reviewed work, preprints, and workshop papers

2026

SuCor: Susceptibility Distortion Correction via Parameter-Free and Self-Regularized Optimal Transport

S. Chigurupati, E. Garyfallidis

arXiv preprint 2603.16758, 2026 · distortion correction for diffusion MRI via optimal transport with automatic, parameter-free regularization — outperforms FSL TOPUP in ~12 s on a single CPU core

PDF arXiv

Humanity's Last Exam: A benchmark of expert-level academic questions to assess AI capabilities

Center for AI Safety, Scale AI & the HLE contributors (incl. S. Chigurupati)

Nature 649, 1139–1146 (2026) · a 2,500-question expert-level reasoning benchmark for evaluating frontier LLMs

Nature arXiv Dataset

2024

Fast susceptibility distortion correction for diffusion MRI using style transfer and nonrigid registration

S. Chigurupati, K. G. Schilling, S. K. Warfield, E. Garyfallidis

ISMRM 2024, Singapore (abstract #2429) · style transfer and nonrigid registration for susceptibility distortion correction in diffusion MRI

Abstract