SEP 8, 2026 · PREPRINT
The BatchNorm Illusion: Diagnosing Normalization Artifacts in Machine Unlearning Evaluation
arXiv
A methodological study identifying a confound in machine unlearning evaluation via BatchNorm artifacts, with empirical demonstration but no peer review and impact limited to evaluation practices rather than clinical or translational application.
Reported
Headline forget accuracy reversalup to 78 pp
Attacker sample size for accuracy…10 unlabeled images
Number of evaluated unlearning me…9