Hessian Surgery perturbs trained model weights along Hessian spike eigenvectors via a sensitivity matrix and constrained optimization to rebalance per-class accuracy on CIFAR-10 and ISIC-2019 without retraining.
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Hessian Surgery: Class-Targeted Post-Hoc Rebalancing via Hessian Spike Perturbation
Hessian Surgery perturbs trained model weights along Hessian spike eigenvectors via a sensitivity matrix and constrained optimization to rebalance per-class accuracy on CIFAR-10 and ISIC-2019 without retraining.