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Deep neural networks are vulnerable to adversarial examples, which poses security concerns on these algorithms due to the potentially severe consequences. Adversarial attacks serve as an important surrogate to evaluate the robustness of…

Machine Learning · Computer Science 2018-03-23 Yinpeng Dong , Fangzhou Liao , Tianyu Pang , Hang Su , Jun Zhu , Xiaolin Hu , Jianguo Li

Many adversarial attacks and defenses have recently been proposed for Deep Neural Networks (DNNs). While most of them are in the white-box setting, which is impractical, a new class of query-based hard-label (QBHL) black-box attacks pose a…

Cryptography and Security · Computer Science 2021-02-08 Junfeng Guo , Yaswanth Yadlapalli , Thiele Lothar , Ang Li , Cong Liu

Deep neural networks are vulnerable to adversarial examples, which can mislead classifiers by adding imperceptible perturbations. An intriguing property of adversarial examples is their good transferability, making black-box attacks…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu

Deep learning models suffer from a phenomenon called adversarial attacks: we can apply minor changes to the model input to fool a classifier for a particular example. The literature mostly considers adversarial attacks on models with images…

Machine Learning · Computer Science 2020-10-13 Ivan Fursov , Alexey Zaytsev , Nikita Kluchnikov , Andrey Kravchenko , Evgeny Burnaev

Adversarial attacks pose a significant threat to machine learning models by inducing incorrect predictions through imperceptible perturbations to input data. While these attacks are well studied in unstructured domains such as images, their…

Machine Learning · Computer Science 2025-12-09 Zhipeng He , Chun Ouyang , Lijie Wen , Cong Liu , Catarina Moreira

Recent work has shown how easily white-box adversarial attacks can be applied to state-of-the-art image classifiers. However, real-life scenarios resemble more the black-box adversarial conditions, lacking transparency and usually imposing…

Cryptography and Security · Computer Science 2021-07-14 Andrei Ilie , Marius Popescu , Alin Stefanescu

Researchers have repeatedly shown that it is possible to craft adversarial attacks on deep classifiers (small perturbations that significantly change the class label), even in the "black-box" setting where one only has query access to the…

Machine Learning · Computer Science 2021-02-02 Devin Willmott , Anit Kumar Sahu , Fatemeh Sheikholeslami , Filipe Condessa , Zico Kolter

Adversarial attacks perturb images such that a deep neural network produces incorrect classification results. A promising approach to defend against adversarial attacks on natural multi-object scenes is to impose a context-consistency…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Zikui Cai , Shantanu Rane , Alejandro E. Brito , Chengyu Song , Srikanth V. Krishnamurthy , Amit K. Roy-Chowdhury , M. Salman Asif

Enhancing our understanding of adversarial examples is crucial for the secure application of machine learning models in real-world scenarios. A prevalent method for analyzing adversarial examples is through a frequency-based approach.…

Machine Learning · Computer Science 2024-04-17 Zhun Zhang , Yi Zeng , Qihe Liu , Shijie Zhou

An adversary who aims to steal a black-box model repeatedly queries the model via a prediction API to learn a function that approximates its decision boundary. Adversarial approximation is non-trivial because of the enormous combinations of…

Cryptography and Security · Computer Science 2020-06-30 Abdullah Ali , Birhanu Eshete

It is significant to evaluate the security of existing digital image tampering localization algorithms in real-world applications. In this paper, we propose an adversarial attack scheme to reveal the reliability of such tampering…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Yuqi Wang , Gang Cao , Zijie Lou , Haochen Zhu

Adversarial training has been shown as an effective approach to improve the robustness of image classifiers against white-box attacks. However, its effectiveness against black-box attacks is more nuanced. In this work, we demonstrate that…

Machine Learning · Computer Science 2021-07-27 Ali Rahmati , Seyed-Mohsen Moosavi-Dezfooli , Huaiyu Dai

Clustering algorithms play a fundamental role as tools in decision-making and sensible automation processes. Due to the widespread use of these applications, a robustness analysis of this family of algorithms against adversarial noise has…

Machine Learning · Computer Science 2021-11-11 Antonio Emanuele Cinà , Alessandro Torcinovich , Marcello Pelillo

Traditional decision-based black-box adversarial attacks on image classifiers aim to generate adversarial examples by slightly modifying input images while keeping the number of queries low, where each query involves sending an input to the…

Machine Learning · Computer Science 2025-06-10 Mahdi Salmani , Alireza Abdollahpoorrostam , Seyed-Mohsen Moosavi-Dezfooli

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.…

Machine Learning · Computer Science 2022-10-07 Jary Pomponi , Simone Scardapane , Aurelio Uncini

Transfer-based adversarial example is one of the most important classes of black-box attacks. However, there is a trade-off between transferability and imperceptibility of the adversarial perturbation. Prior work in this direction often…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Fangcheng Liu , Chao Zhang , Hongyang Zhang

Adversarial attacks, e.g., adversarial perturbations of the input and adversarial samples, pose significant challenges to machine learning and deep learning techniques, including interactive recommendation systems. The latent embedding…

Machine Learning · Computer Science 2021-12-03 Siyu Wang , Yuanjiang Cao , Xiaocong Chen , Lina Yao , Xianzhi Wang , Quan Z. Sheng

Neural network compression has recently received much attention due to the computational requirements of modern deep models. In this work, our objective is to transfer knowledge from a deep and accurate model to a smaller one. Our…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Vasileios Belagiannis , Azade Farshad , Fabio Galasso

Adversarial examples are malicious inputs designed to fool machine learning models. They often transfer from one model to another, allowing attackers to mount black box attacks without knowledge of the target model's parameters. Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Alexey Kurakin , Ian Goodfellow , Samy Bengio

Deep Learning has been shown to be particularly vulnerable to adversarial samples. To combat adversarial strategies, numerous defensive techniques have been proposed. Among these, a promising approach is to use randomness in order to make…

Cryptography and Security · Computer Science 2020-03-18 Kumar Sharad , Giorgia Azzurra Marson , Hien Thi Thu Truong , Ghassan Karame