Understanding Adversarial Robustness from Feature Maps of Convolutional Layers
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Abstract (arXiv)
The adversarial robustness of a neural network mainly relies on two factors: model capacity and anti-perturbation ability. In this paper, we study the anti-perturbation ability of the network from the feature maps of convolutional layers. Our theoretical analysis discovers that larger convolutional feature maps before average pooling can contribute to better resistance to perturbations, but the conclusion is not true for max pooling. It brings new inspiration to the design of robust neural networks and urges us to apply these findings to improve existing architectures. The proposed modifications are very simple and only require upsampling the inputs or slightly modifying the stride configurations of downsampling operators. We verify our approaches on several benchmark neural network architectures, including AlexNet, VGG, RestNet18, and PreActResNet18. Non-trivial improvements in terms of both natural accuracy and adversarial robustness can be achieved under various attack and defense mechanisms. The code is available at urlhttps://github.com/MTandHJ/rcm.
Key facts. No citing papers in the map yet (data through 7 Oct 2026). Builds on 34 of its 62 references that are in the map. First posted on arXiv 25 Feb 2022.
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References · 34
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22 more
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