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Towards Interpretable Adversarial Examples via Sparse Adversarial Attack

delete2026-01-01
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PRE
AI
F
Fudong Lin
J
Jiadong Lou
王浩 封面图
王浩 (Hao Wang)
B
Brian Jalaian
X
Xu Yuan *
DOI:10.1007/978-3-032-06109-6_6delete
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摘要

摘要

En 中文
稀疏攻击旨在优化对抗性扰动的幅度以欺骗深度神经网络(DNNs),仅涉及少量扰动像素(即在l(0)约束下),适用于解释DNNs的脆弱性。然而,现有解决方案由于稀疏性差而无法产生可解释的对抗样本。更糟糕的是,它们往往面临高昂的计算开销、较差的迁移能力和较弱的攻击强度。在本文中,我们旨在通过在l(0)约束下最小化初始扰动的幅度,开发一种稀疏攻击以理解DNNs的脆弱性,同时克服现有缺陷并实现对DNNs的快速、可迁移且强大的攻击。具体而言,引入了一种新颖且理论严谨的参数化技术来近似NP难的l(0)优化问题,使直接优化稀疏扰动在计算上可行。此外,设计了一种新型损失函数,通过同时最大化对抗属性和最小化扰动像素数量来增强初始扰动。大量实验表明,我们的方法在计算开销、迁移能力和攻击强度方面优于现有最先进的稀疏攻击,并有望作为评估DNNs鲁棒性的基准。此外,理论和实验结果验证了我们的方法能够产生更稀疏的对抗样本,使我们能够发现两类噪声,即遮蔽噪声和主导噪声,这将有助于解释对抗性扰动如何误导分类器产生错误预测。我们的代码可在https://github.com/fudong03/SparseAttack获取。
Keyword:
Sparse Attack
Adversarial Attack
Interpretability

期刊

M
MACHINE LEARNING AND KNOWLEDGE DISCOVERY IN DATABASES. RESEARCH TRACK, ECML PKDD 2025, PT VII
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论文数:
24
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stevens institute of technology
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university of delaware
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