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Neural networks are vulnerable to adversarial attacks: adding well-crafted, imperceptible perturbations to their input can modify their output. Adversarial training is one of the most effective approaches to training robust models against…

机器学习 · 计算机科学 2023-08-09 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

Existing works have shown that fine-tuned textual transformer models achieve state-of-the-art prediction performances but are also vulnerable to adversarial text perturbations. Traditional adversarial evaluation is often done \textit{only…

机器学习 · 计算机科学 2024-07-03 Cuong Dang , Dung D. Le , Thai Le

We analyze the properties of adversarial training for learning adversarially robust halfspaces in the presence of agnostic label noise. Denoting $\mathsf{OPT}_{p,r}$ as the best robust classification error achieved by a halfspace that is…

机器学习 · 计算机科学 2021-04-20 Difan Zou , Spencer Frei , Quanquan Gu

Deep neural networks have achieved remarkable performance in various applications but are extremely vulnerable to adversarial perturbation. The most representative and promising methods that can enhance model robustness, such as adversarial…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Faqiang Liu , Rong Zhao

Deep Neural Networks are susceptible to adversarial perturbations. Adversarial training and adversarial purification are among the most widely recognized defense strategies. Although these methods have different underlying logic, both rely…

机器学习 · 计算机科学 2023-08-30 Hao Xuan , Peican Zhu , Xingyu Li

Randomized smoothing is currently a state-of-the-art method to construct a certifiably robust classifier from neural networks against $\ell_2$-adversarial perturbations. Under the paradigm, the robustness of a classifier is aligned with the…

机器学习 · 计算机科学 2021-11-18 Jongheon Jeong , Sejun Park , Minkyu Kim , Heung-Chang Lee , Doguk Kim , Jinwoo Shin

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on both heuristics-driven and data-driven augmentations as a means to reduce…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

Adversarial examples have been shown to be the severe threat to deep neural networks (DNNs). One of the most effective adversarial defense methods is adversarial training (AT) through minimizing the adversarial risk $R_{adv}$, which…

机器学习 · 计算机科学 2020-06-17 Yiming Li , Baoyuan Wu , Yan Feng , Yanbo Fan , Yong Jiang , Zhifeng Li , Shutao Xia

Neural networks are vulnerable to adversarial attacks: adding well-crafted, imperceptible perturbations to their input can modify their output. Adversarial training is one of the most effective approaches in training robust models against…

机器学习 · 计算机科学 2022-07-20 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

We demonstrate that the choice of optimizer, neural network architecture, and regularizer significantly affect the adversarial robustness of linear neural networks, providing guarantees without the need for adversarial training. To this…

机器学习 · 计算机科学 2021-06-08 Fartash Faghri , Sven Gowal , Cristina Vasconcelos , David J. Fleet , Fabian Pedregosa , Nicolas Le Roux

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on reducing robust overfitting by using common data augmentation schemes. We…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

Recent work has proposed several efficient approaches for generating gradient-based adversarial perturbations on embeddings and proved that the model's performance and robustness can be improved when they are trained with these contaminated…

计算与语言 · 计算机科学 2021-09-15 Yao Qiu , Jinchao Zhang , Jie Zhou

Deep neural networks (DNNs) are sensitive to adversarial examples, resulting in fragile and unreliable performance in the real world. Although adversarial training (AT) is currently one of the most effective methodologies to robustify DNNs,…

机器学习 · 计算机科学 2023-03-01 Yize Li , Pu Zhao , Xue Lin , Bhavya Kailkhura , Ryan Goldhahn

Defenses against adversarial examples, such as adversarial training, are typically tailored to a single perturbation type (e.g., small $\ell_\infty$-noise). For other perturbations, these defenses offer no guarantees and, at times, even…

机器学习 · 计算机科学 2019-10-21 Florian Tramèr , Dan Boneh

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

Efforts to improve the adversarial robustness of convolutional neural networks have primarily focused on developing more effective adversarial training methods. In contrast, little attention was devoted to analyzing the role of…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Shihua Huang , Zhichao Lu , Kalyanmoy Deb , Vishnu Naresh Boddeti

Despite the high performance achieved by deep neural networks on various tasks, extensive studies have demonstrated that small tweaks in the input could fail the model predictions. This issue of deep neural networks has led to a number of…

机器学习 · 计算机科学 2022-02-22 Ming-Chang Chiu , Xuezhe Ma

In the past five years, deep learning methods have become state-of-the-art in solving various inverse problems. Before such approaches can find application in safety-critical fields, a verification of their reliability appears mandatory.…

机器学习 · 计算机科学 2023-01-18 Martin Genzel , Jan Macdonald , Maximilian März

In recent years, it has been found that neural networks can be easily fooled by adversarial examples, which is a potential safety hazard in some safety-critical applications. Many researchers have proposed various method to make neural…

机器学习 · 计算机科学 2018-04-24 Shuangtao Li , Yuanke Chen , Yanlin Peng , Lin Bai

This paper presents RADAR-Robust Adversarial Detection via Adversarial Retraining-an approach designed to enhance the robustness of adversarial detectors against adaptive attacks, while maintaining classifier performance. An adaptive attack…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Raz Lapid , Almog Dubin , Moshe Sipper