Author

Haejun Chung

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#machine learning Preprint Oct 2026

CoHyFuse: Condition-wise Hypergraph Fusion with Global Connectome in Task-fMRI

Task-fMRI connectomes reveal state-dependent neural reconfigurations, yet conventional methods marginalize these signals by aggregating distinct conditions into static pairwise graphs, thereby obscuring condition-specific multi-ROI organization. We introduce CoHyFuse, a condition-aware ROI-centered hypergraph framework...

Boseong Kim, Haejun Chung, I. Jang · 0 citations

#machine learning Preprint Sep 2026

Let Confidence Change, Not the Prediction: Prediction-Preserving Repair for Post-hoc Calibration

CORD is proposed, the first post-fit adapter to impose exact prediction preservation by repairing the full calibrated probability vector by removing the preservation constraint from calibrator fitting and assigns exact recovery of the original decision to subsequent output repair.

Daehwan Kim, Haejun Chung, Ikbeom Jang · 0 citations