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Improving Transferability of Adversarial Attacks via Frequency-Consistent Regularization

delete2026-04-11
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OA
AI
T
Tengfei Shi
王
王世海 (Shihai Wang) *
L
Liu, Bin
DOI:10.3390/app16083748delete
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摘要

摘要

En 中文
对抗样本揭示了深度神经网络的脆弱性,其迁移性使得黑盒攻击尤为令人担忧。然而,在代理模型上精心制作的扰动往往在未见过的目标模型上效果不足。本文从频域视角重新审视这一问题,并观察到扰动优化可能过度依赖特定的频谱模式,从而削弱跨模型迁移能力。为解决该问题,我们提出频谱一致性正则化(FCR),一种简单的插件策略,可与现有迭代攻击结合使用。FCR在每个迭代中引入多个保留低频特征的视图,并随机采样频率范围,随后在这些不同视图中优化扰动。通过这种方式,生成的扰动对特定频谱配置的依赖性降低,表现出更优的迁移性。实验结果表明,FCR能显著提升各类迭代攻击的迁移性能。该改进不仅体现在标准目标模型上,在对抗训练模型中效果更为显著。
Keyword:
adversarial examples
deep neural networks
black-box adversarial attack
transferable attack
iterative attacks
transferability

期刊

A
Applied Sciences-Basel
IF:
2.5
论文数:
7.6K
被引数:
4

机构

B
Beihang University
学者数:
5.2W
论文数: 4.1W
被引数: 37
引用论文

引用论文

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