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Adversarial attacks, particularly the Fast Gradient Sign Method (FGSM) and Projected Gradient Descent (PGD) pose significant threats to the robustness of deep learning models in image classification. This paper explores and refines defense…

密码学与安全 · 计算机科学 2025-05-15 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

To deflect adversarial attacks, a range of "certified" classifiers have been proposed. In addition to labeling an image, certified classifiers produce (when possible) a certificate guaranteeing that the input image is not an…

机器学习 · 计算机科学 2020-03-20 Amin Ghiasi , Ali Shafahi , Tom Goldstein

In this paper we propose a novel method for detecting adversarial examples by training a binary classifier with both origin data and saliency data. In the case of image classification model, saliency simply explain how the model make…

机器学习 · 计算机科学 2018-03-26 Chiliang Zhang , Zhimou Yang , Zuochang Ye

Deep neural networks were significantly vulnerable to adversarial examples manipulated by malicious tiny perturbations. Although most conventional adversarial attacks ensured the visual imperceptibility between adversarial examples and…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Shuai Li , Xiaoyu Jiang , Xiaoguang Ma

Numerous recent studies have demonstrated how Deep Neural Network (DNN) classifiers can be fooled by adversarial examples, in which an attacker adds perturbations to an original sample, causing the classifier to misclassify the sample.…

机器学习 · 计算机科学 2021-02-09 Yigit Alparslan , Ken Alparslan , Jeremy Keim-Shenk , Shweta Khade , Rachel Greenstadt

Taking into account information across the temporal domain helps to improve environment perception in autonomous driving. However, it has not been studied so far whether temporally fused neural networks are vulnerable to deliberately…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Svetlana Pavlitskaya , Nikolai Polley , Michael Weber , J. Marius Zöllner

Automatic modulation classification can be a core component for intelligent spectrally efficient wireless communication networks, and deep learning techniques have recently been shown to deliver superior performance to conventional…

网络与互联网体系结构 · 计算机科学 2021-04-14 Jinho Yi , Aly El Gamal

Adversarial training and adversarial purification are two widely used defense strategies for enhancing model robustness against adversarial attacks. However, adversarial training requires costly retraining, while adversarial purification…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Xuelong Dai , Dong Wang , Xiuzhen Cheng , Bin Xiao

Deep neural networks are highly susceptible to adversarial attacks, which pose significant risks to security- and safety-critical applications. We present KoALA (KL-L0 Adversarial detection via Label Agreement), a novel, semantics-free…

机器学习 · 计算机科学 2026-03-23 Siqi Li , Yasser Shoukry

We propose a novel technique that can generate natural-looking adversarial examples by bounding the variations induced for internal activation values in some deep layer(s), through a distribution quantile bound and a polynomial barrier loss…

机器学习 · 计算机科学 2021-01-19 Qiuling Xu , Guanhong Tao , Xiangyu Zhang

It is well known that a determined adversary can fool a neural network by making imperceptible adversarial perturbations to an image. Recent studies have shown that these perturbations can be detected even without information about the…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Siddharth Krishna Kumar

Applications of machine learning (ML) models and convolutional neural networks (CNNs) have been rapidly increased. Although state-of-the-art CNNs provide high accuracy in many applications, recent investigations show that such networks are…

机器学习 · 计算机科学 2021-10-18 Hadi Zanddizari , Behnam Zeinali , J. Morris Chang

Adversarial attacks make their success in DNNs, and among them, gradient-based algorithms become one of the mainstreams. Based on the linearity hypothesis, under $\ell_\infty$ constraint, $sign$ operation applied to the gradients is a good…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Yaya Cheng , Jingkuan Song , Xiaosu Zhu , Qilong Zhang , Lianli Gao , Heng Tao Shen

Recent research has found that neural networks are vulnerable to several types of adversarial attacks, where the input samples are modified in such a way that the model produces a wrong prediction that misclassifies the adversarial sample.…

机器学习 · 计算机科学 2022-10-07 Jary Pomponi , Simone Scardapane , Aurelio Uncini

While deep learning is remarkably successful on perceptual tasks, it was also shown to be vulnerable to adversarial perturbations of the input. These perturbations denote noise added to the input that was generated specifically to fool the…

机器学习 · 统计学 2017-08-02 Jan Hendrik Metzen , Mummadi Chaithanya Kumar , Thomas Brox , Volker Fischer

Traditional adversarial attacks rely upon the perturbations generated by gradients from the network which are generally safeguarded by gradient guided search to provide an adversarial counterpart to the network. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Ujjwal Upadhyay , Prerana Mukherjee

Adversarial examples have shown a powerful ability to make a well-trained model misclassified. Current mainstream adversarial attack methods only consider one of the distortions among $L_0$-norm, $L_2$-norm, and $L_\infty$-norm. $L_0$-norm…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Chao Zhou , Yuan-Gen Wang , Zi-jia Wang , Xiangui Kang

In adversarial machine learning, the popular $\ell_\infty$ threat model has been the focus of much previous work. While this mathematical definition of imperceptibility successfully captures an infinite set of additive image transformations…

机器学习 · 计算机科学 2022-10-07 Luke Rowe , Benjamin Thérien , Krzysztof Czarnecki , Hongyang Zhang

Generating adversarial examples at scale is a core primitive for robustness evaluation, adversarial training, and red-teaming, yet even "fast" attacks such as FGSM remain throughput-limited by the cost of a backward pass. We introduce a…

机器学习 · 计算机科学 2026-05-15 Kamil Ciosek , Aleksandr V. Petrov , Nicolò Felicioni , Konstantina Palla

Adding perturbations via utilizing auxiliary gradient information or discarding existing details of the benign images are two common approaches for generating adversarial examples. Though visual imperceptibility is the desired property of…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zihan Chen , Ziyue Wang , Junjie Huang , Wentao Zhao , Xiao Liu , Dejian Guan