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Adversarial examples have been well known as a serious threat to deep neural networks (DNNs). In this work, we study the detection of adversarial examples, based on the assumption that the output and internal responses of one DNN model for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Chengcheng Ma , Baoyuan Wu , Shibiao Xu , Yanbo Fan , Yong Zhang , Xiaopeng Zhang , Zhifeng Li

Generating adversarial examples for natural language is hard, as natural language consists of discrete symbols, and examples are often of variable lengths. In this paper, we propose a geometry-inspired attack for generating natural language…

Computation and Language · Computer Science 2020-10-06 Zhao Meng , Roger Wattenhofer

In this paper, we present an approach to improve the robustness of BERT language models against word substitution-based adversarial attacks by leveraging adversarial perturbations for self-supervised contrastive learning. We create a…

Computation and Language · Computer Science 2022-05-25 Zhao Meng , Yihan Dong , Mrinmaya Sachan , Roger Wattenhofer

Deep neural networks are vulnerable to adversarial examples, i.e., carefully-perturbed inputs aimed to mislead classification. This work proposes a detection method based on combining non-linear dimensionality reduction and density…

Machine Learning · Computer Science 2019-05-02 Francesco Crecchi , Davide Bacciu , Battista Biggio

Despite the remarkable success of deep neural networks (DNNs), the security threat of adversarial attacks poses a significant challenge to the reliability of DNNs. In this paper, both theoretically and empirically, we discover a universal…

Machine Learning · Computer Science 2025-06-10 Ran Wang , Xinlei Zhou , Meng Hu , Rihao Li , Wenhui Wu , Yuheng Jia

Although deep neural networks (DNNs) have achieved great success in many tasks, they can often be fooled by \emph{adversarial examples} that are generated by adding small but purposeful distortions to natural examples. Previous studies to…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Weilin Xu , David Evans , Yanjun Qi

Automatic modulation classification (AMC) using the Deep Neural Network (DNN) approach outperforms the traditional classification techniques, even in the presence of challenging wireless channel environments. However, the adversarial…

Machine Learning · Computer Science 2022-06-01 Eyad Shtaiwi , Ahmed El Ouadrhiri , Majid Moradikia , Salma Sultana , Ahmed Abdelhadi , Zhu Han

Currently, natural language processing (NLP) models are wildly used in various scenarios. However, NLP models, like all deep models, are vulnerable to adversarially generated text. Numerous works have been working on mitigating the…

Computation and Language · Computer Science 2023-02-14 Lujia Shen , Xuhong Zhang , Shouling Ji , Yuwen Pu , Chunpeng Ge , Xing Yang , Yanghe Feng

Recent years have witnessed the deployment of adversarial attacks to evaluate the robustness of Neural Networks. Past work in this field has relied on traditional optimization algorithms that ignore the inherent structure of the problem and…

Machine Learning · Computer Science 2021-06-01 Florian Jaeckle , M. Pawan Kumar

Recent breakthroughs in defenses against adversarial examples, like adversarial training, make the neural networks robust against various classes of attackers (e.g., first-order gradient-based attacks). However, it is an open question…

Machine Learning · Computer Science 2019-06-07 Shiqi Wang , Yizheng Chen , Ahmed Abdou , Suman Jana

This article describes the process of creating a script and conducting an analytical study of a dataset using the DeepMIMO emulator. An advertorial attack was carried out using the FGSM method to maximize the gradient. A comparison is made…

Cryptography and Security · Computer Science 2025-05-02 Leonid Legashev , Artur Zhigalov , Denis Parfenov

Despite the impressive performances reported by deep neural networks in different application domains, they remain largely vulnerable to adversarial examples, i.e., input samples that are carefully perturbed to cause misclassification at…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Angelo Sotgiu , Ambra Demontis , Marco Melis , Battista Biggio , Giorgio Fumera , Xiaoyi Feng , Fabio Roli

Adversarial perturbations are useful tools for exposing vulnerabilities in neural networks. Existing adversarial perturbation methods for object detection are either limited to attacking CNN-based detectors or weak against transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Zachary Yahn , Selim Furkan Tekin , Fatih Ilhan , Sihao Hu , Tiansheng Huang , Yichang Xu , Margaret Loper , Ling Liu

Vulnerability of various machine learning methods to adversarial examples has been recently explored in the literature. Power systems which use these vulnerable methods face a huge threat against adversarial examples. To this end, we first…

Cryptography and Security · Computer Science 2022-02-16 Jiwei Tian , Buhong Wang , Jing Li , Zhen Wang , Mete Ozay

Deep Neural Networks (DNN) are known to be vulnerable to adversarial samples, the detection of which is crucial for the wide application of these DNN models. Recently, a number of deep testing methods in software engineering were proposed…

Machine Learning · Computer Science 2021-07-16 Zuohui Chen , Renxuan Wang , Jingyang Xiang , Yue Yu , Xin Xia , Shouling Ji , Qi Xuan , Xiaoniu Yang

Adversarial samples are strategically modified samples, which are crafted with the purpose of fooling a classifier at hand. An attacker introduces specially crafted adversarial samples to a deployed classifier, which are being…

Machine Learning · Computer Science 2017-07-11 Suranjana Samanta , Sameep Mehta

The nature of deep neural networks has given rise to a variety of attacks, but little work has been done to address the effect of adversarial attacks on segmentation models trained on MRI datasets. In light of the grave consequences that…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Zhongxuan Wang , Leo Xu

Various facial manipulation techniques have drawn serious public concerns in morality, security, and privacy. Although existing face forgery classifiers achieve promising performance on detecting fake images, these methods are vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shuai Jia , Chao Ma , Taiping Yao , Bangjie Yin , Shouhong Ding , Xiaokang Yang

The spread of fake news harms individuals and presents a critical social challenge that must be addressed. Although numerous algorithmic and insightful features have been developed to detect fake news, many of these features can be…

Computation and Language · Computer Science 2025-04-21 Sungwon Park , Sungwon Han , Xing Xie , Jae-Gil Lee , Meeyoung Cha

Adversarial examples are known to mislead deep learning models to incorrectly classify them, even in domains where such models achieve state-of-the-art performance. Until recently, research on both attack and defense methods focused on…

Cryptography and Security · Computer Science 2019-11-22 Ishai Rosenberg , Asaf Shabtai , Yuval Elovici , Lior Rokach