2 papers
cs.LG2026
TopoGeoScore: A Self-Supervised Source-Only Geometric Framework for OOD Checkpoint Selection
Farid Hazratian, Ali Zia, Hien Duy Nguyen
Out-of-distribution (OOD) robustness is difficult to diagnose when target-domain labels are unavailable. We consider a more restrictive source-only variant of unsupervised accuracy…
cs.LG2026
Representation Geometry as a Diagnostic for Out-of-Distribution Robustness
Ali Zia, Farid Hazratian
Robust generalization under distribution shift remains difficult to monitor and optimize in the absence of target-domain labels, as models with similar in-distribution accuracy can…