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Deep neural networks (DNNs) are vulnerable to adversarial perturbation, where an imperceptible perturbation is added to the image that can fool the DNNs. Diffusion-based adversarial purification focuses on using the diffusion model to…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Kaiyu Song , Hanjiang Lai

We propose an AID-purifier that can boost the robustness of adversarially-trained networks by purifying their inputs. AID-purifier is an auxiliary network that works as an add-on to an already trained main classifier. To keep it…

机器学习 · 计算机科学 2021-07-15 Duhun Hwang , Eunjung Lee , Wonjong Rhee

Neural networks are prone to adversarial attacks. In general, such attacks deteriorate the quality of the input by either slightly modifying most of its pixels, or by occluding it with a patch. In this paper, we propose a method that keeps…

计算机视觉与模式识别 · 计算机科学 2019-10-18 Konrad Zolna , Michal Zajac , Negar Rostamzadeh , Pedro O. Pinheiro

The existence of adversarial data examples has drawn significant attention in the deep-learning community; such data are seemingly minimally perturbed relative to the original data, but lead to very different outputs from a deep-learning…

机器学习 · 计算机科学 2019-11-12 Bai Li , Changyou Chen , Wenlin Wang , Lawrence Carin

We propose an approach to distinguish between correct and incorrect image classifications. Our approach can detect misclassifications which either occur $\it{unintentionally}$ ("natural errors"), or due to…

机器学习 · 计算机科学 2019-02-04 Yuval Bahat , Michal Irani , Gregory Shakhnarovich

Adversarial perturbation of images, in which a source image is deliberately modified with the intent of causing a classifier to misclassify the image, provides important insight into the robustness of image classifiers. In this work we…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Robert Bassett , Mitchell Graves , Patrick Reilly

Recent research showed that deep neural networks are highly sensitive to so-called adversarial perturbations, which are tiny perturbations of the input data purposely designed to fool a machine learning classifier. Most classification…

机器学习 · 计算机科学 2018-01-15 Akram Erraqabi , Aristide Baratin , Yoshua Bengio , Simon Lacoste-Julien

Deep neural networks (DNNs) are threatened by adversarial examples. Adversarial detection, which distinguishes adversarial images from benign images, is fundamental for robust DNN-based services. Image transformation is one of the most…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Hui Liu , Bo Zhao , Yuefeng Peng , Weidong Li , Peng Liu

Adversarial images are designed to mislead deep neural networks (DNNs), attracting great attention in recent years. Although several defense strategies achieved encouraging robustness against adversarial samples, most of them fail to…

机器学习 · 计算机科学 2020-02-25 Hang Yu , Aishan Liu , Xianglong Liu , Gengchao Li , Ping Luo , Ran Cheng , Jichen Yang , Chongzhi Zhang

Despite the empirical success of using Adversarial Training to defend deep learning models against adversarial perturbations, so far, it still remains rather unclear what the principles are behind the existence of adversarial perturbations,…

机器学习 · 计算机科学 2022-06-14 Zeyuan Allen-Zhu , Yuanzhi Li

Generating adversarial examples is an intriguing problem and an important way of understanding the working mechanism of deep neural networks. Most existing approaches generated perturbations in the image space, i.e., each pixel can be…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Xiaohui Zeng , Chenxi Liu , Yu-Siang Wang , Weichao Qiu , Lingxi Xie , Yu-Wing Tai , Chi Keung Tang , Alan L. Yuille

While existing work in robust deep learning has focused on small pixel-level norm-based perturbations, this may not account for perturbations encountered in several real-world settings. In many such cases although test data might not be…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Tejas Gokhale , Rushil Anirudh , Bhavya Kailkhura , Jayaraman J. Thiagarajan , Chitta Baral , Yezhou Yang

The nonuniform and growing impact of adversarial noise across the layers of deep neural networks has been used in the literature, without a formal mathematical justification, to detect adversarial inputs and improve robustness. In this…

机器学习 · 计算机科学 2026-05-05 Furkan Mumcu , Yasin Yilmaz

Deep neural networks have been shown to be susceptible to adversarial examples -- small, imperceptible changes constructed to cause mis-classification in otherwise highly accurate image classifiers. As a practical alternative, recent work…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Sukrut Rao , David Stutz , Bernt Schiele

Deep Learning models are highly susceptible to adversarial manipulations that can lead to catastrophic consequences. One of the most effective methods to defend against such disturbances is adversarial training but at the cost of…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Samuel Henrique Silva , Arun Das , Ian Scarff , Peyman Najafirad

Although neural networks perform very well on the image classification task, they are still vulnerable to adversarial perturbations that can fool a neural network without visibly changing an input image. A paper has shown the existence of…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Waris Radji

Deep neural networks are vulnerable to small input perturbations known as adversarial attacks. Inspired by the fact that these adversaries are constructed by iteratively minimizing the confidence of a network for the true class label, we…

机器学习 · 计算机科学 2021-12-17 Motasem Alfarra , Juan C. Pérez , Ali Thabet , Adel Bibi , Philip H. S. Torr , Bernard Ghanem

Standard methods for generating adversarial examples for neural networks do not consistently fool neural network classifiers in the physical world due to a combination of viewpoint shifts, camera noise, and other natural transformations,…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Anish Athalye , Logan Engstrom , Andrew Ilyas , Kevin Kwok

The escalating sophistication of cyberattacks has encouraged the integration of machine learning techniques in intrusion detection systems, but the rise of adversarial examples presents a significant challenge. These crafted perturbations…

密码学与安全 · 计算机科学 2024-06-26 Mohamed Amine Merzouk , Erwan Beurier , Reda Yaich , Nora Boulahia-Cuppens , Frédéric Cuppens

Adversarial purification is a successful defense mechanism against adversarial attacks without requiring knowledge of the form of the incoming attack. Generally, adversarial purification aims to remove the adversarial perturbations…

计算与语言 · 计算机科学 2023-05-04 Linyang Li , Demin Song , Xipeng Qiu