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Adversarial training is an effective approach to make deep neural networks robust against adversarial attacks. Recently, different adversarial training defenses are proposed that not only maintain a high clean accuracy but also show…

机器学习 · 计算机科学 2023-01-02 Muzammal Naseer , Salman Khan , Fatih Porikli , Fahad Shahbaz Khan

We investigate adversarial-sample generation methods from a frequency domain perspective and extend standard $l_{\infty}$ Projected Gradient Descent (PGD) to the frequency domain. The resulting method, which we call Spectral Projected…

机器学习 · 计算机科学 2020-10-14 Hans Shih-Han Wang , Cory Cornelius , Brandon Edwards , Jason Martin

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

This work studies sparse adversarial perturbations, including both unstructured and structured ones. We propose a framework based on a white-box PGD-like attack method named Sparse-PGD to effectively and efficiently generate such…

机器学习 · 计算机科学 2025-11-21 Xuyang Zhong , Chen Liu

Adversarial training, the process of training a deep learning model with adversarial data, is one of the most successful adversarial defense methods for deep learning models. We have found that the robustness to white-box attack of an…

机器学习 · 计算机科学 2021-12-24 Zhiwen Yan , Teck Khim Ng

Advances in the development of adversarial attacks have been fundamental to the progress of adversarial defense research. Efficient and effective attacks are crucial for reliable evaluation of defenses, and also for developing robust…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Gaurang Sriramanan , Sravanti Addepalli , Arya Baburaj , R. Venkatesh Babu

In recent years, deep neural networks have demonstrated outstanding performance in many machine learning tasks. However, researchers have discovered that these state-of-the-art models are vulnerable to adversarial examples: legitimate…

机器学习 · 计算机科学 2018-10-10 Ting-Jui Chang , Yukun He , Peng Li

Projected Gradient Descent (PGD) based adversarial training has become one of the most prominent methods for building robust deep neural network models. However, the computational complexity associated with this approach, due to the…

机器学习 · 计算机科学 2020-05-01 Sidharth Gupta , Parijat Dube , Ashish Verma

State-of-the-art adversarial attacks on neural networks use expensive iterative methods and numerous random restarts from different initial points. Iterative FGSM-based methods without restarts trade off performance for computational…

机器学习 · 计算机科学 2019-11-20 Ping-Yeh Chiang , Jonas Geiping , Micah Goldblum , Tom Goldstein , Renkun Ni , Steven Reich , Ali Shafahi

The field of computer vision has witnessed phenomenal progress in recent years partially due to the development of deep convolutional neural networks. However, deep learning models are notoriously sensitive to adversarial examples which are…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Haofeng Li , Yirui Zeng , Guanbin Li , Liang Lin , Yizhou Yu

Recent work on adversarial attack and defense suggests that PGD is a universal $l_\infty$ first-order attack, and PGD adversarial training can significantly improve network robustness against a wide range of first-order $l_\infty$-bounded…

机器学习 · 计算机科学 2018-10-22 Tianhang Zheng , Changyou Chen , Kui Ren

State-of-the-art deep neural networks are sensitive to small input perturbations. Since the discovery of this intriguing vulnerability, many defence methods have been proposed that attempt to improve robustness to adversarial noise. Fast…

机器学习 · 计算机科学 2021-06-04 Alexander Matyasko , Lap-Pui Chau

Adversarial training (AT) and its variants have spearheaded progress in improving neural network robustness to adversarial perturbations and common corruptions in the last few years. Algorithm design of AT and its variants are focused on…

机器学习 · 计算机科学 2022-06-15 Kaustubh Sridhar , Souradeep Dutta , Ramneet Kaur , James Weimer , Oleg Sokolsky , Insup Lee

Upon the discovery of adversarial attacks, robust models have become obligatory for deep learning-based systems. Adversarial training with first-order attacks has been one of the most effective defenses against adversarial perturbations to…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Inci M. Baytas , Debayan Deb

Deep generative models are proven to be a useful tool for automatic design synthesis and design space exploration. When applied in engineering design, existing generative models face three challenges: 1) generated designs lack diversity and…

机器学习 · 计算机科学 2021-08-17 Wei Chen , Faez Ahmed

Deep Reinforcement Learning (DRL) suffers from uncertainties and inaccuracies in the observation signal in realworld applications. Adversarial attack is an effective method for evaluating the robustness of DRL agents. However, existing…

机器学习 · 计算机科学 2025-01-09 Tianyang Duan , Zongyuan Zhang , Zheng Lin , Yue Gao , Ling Xiong , Yong Cui , Hongbin Liang , Xianhao Chen , Heming Cui , Dong Huang

In this appraisal paper, we evaluate the efficacy of SHIELD, a compression-based defense framework for countering adversarial attacks on image classification models, which was published at KDD 2018. Here, we consider alternative threat…

机器学习 · 计算机科学 2019-08-06 Cory Cornelius , Nilaksh Das , Shang-Tse Chen , Li Chen , Michael E. Kounavis , Duen Horng Chau

We propose a new defense mechanism against adversarial attacks inspired by an optical co-processor, providing robustness without compromising natural accuracy in both white-box and black-box settings. This hardware co-processor performs a…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Alessandro Cappelli , Ruben Ohana , Julien Launay , Laurent Meunier , Iacopo Poli , Florent Krzakala

Automatic speech recognition (ASR) systems based on deep neural networks are weak against adversarial perturbations. We propose mixPGD adversarial training method to improve the robustness of the model for ASR systems. In standard…

声音 · 计算机科学 2023-03-13 Aminul Huq , Weiyi Zhang , Xiaolin Hu

Evading adversarial example detection defenses requires finding adversarial examples that must simultaneously (a) be misclassified by the model and (b) be detected as non-adversarial. We find that existing attacks that attempt to satisfy…

机器学习 · 计算机科学 2021-06-30 Oliver Bryniarski , Nabeel Hingun , Pedro Pachuca , Vincent Wang , Nicholas Carlini