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Neuron Activation Coverage: Rethinking Out-of-distribution Detection and Generalization
2024-01-16
· ICLR 2024 spotlight ·
anchor
Findings
IC-1003
Pretrained ResNet-50 and ViT-B/16 exhibit neuron activation patterns that are separable between in-distribution and out-of-distribution inputs, enabling post-hoc OOD detection without model modification