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Deep learning has become an integral part of various computer vision systems in recent years due to its outstanding achievements for object recognition, facial recognition, and scene understanding. However, deep neural networks (DNNs) are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Nima Mirnateghi , Syed Afaq Ali Shah , Mohammed Bennamoun

Deep neural networks have been shown to perform well in many classical machine learning problems, especially in image classification tasks. However, researchers have found that neural networks can be easily fooled, and they are surprisingly…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Huaxia Wang , Chun-Nam Yu

Deep neural networks are susceptible to human imperceptible adversarial perturbations. One of the strongest defense mechanisms is \emph{Adversarial Training} (AT). In this paper, we aim to address two predominant problems in AT. First,…

Machine Learning · Computer Science 2023-08-21 Jianhui Sun , Sanchit Sinha , Aidong Zhang

In recent years, deep neural network approaches have been widely adopted for machine learning tasks, including classification. However, they were shown to be vulnerable to adversarial perturbations: carefully crafted small perturbations can…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Pouya Samangouei , Maya Kabkab , Rama Chellappa

Despite demonstrating superior rate-distortion (RD) performance, learning-based image compression (LIC) algorithms have been found to be vulnerable to malicious perturbations in recent studies. However, the adversarial attacks considered in…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Chenhao Wu , Qingbo Wu , Haoran Wei , Shuai Chen , Lei Wang , King Ngi Ngan , Fanman Meng , Hongliang Li

Quantized Neural Networks (QNNs) are increasingly deployed in edge and resource-constrained environments due to their efficiency in computation and memory usage. While shown to distort the gradient landscape and weaken conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Amira Guesmi , Bassem Ouni , Muhammad Shafique

Adversarial attacks in deep learning models, especially for safety-critical systems, are gaining more and more attention in recent years, due to the lack of trust in the security and robustness of AI models. Yet the more primitive…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Abhijith Sharma , Yijun Bian , Phil Munz , Apurva Narayan

In this paper, we study the problem of how to defend classifiers against adversarial attacks that fool the classifiers using subtly modified input data. In contrast to previous works, here we focus on the white-box adversarial defense where…

Machine Learning · Computer Science 2019-09-16 Zudi Lin , Hanspeter Pfister , Ziming Zhang

Patch adversarial attacks on images, in which the attacker can distort pixels within a region of bounded size, are an important threat model since they provide a quantitative model for physical adversarial attacks. In this paper, we…

Machine Learning · Computer Science 2021-01-11 Alexander Levine , Soheil Feizi

We propose a new type of attack for finding adversarial examples for image classifiers. Our method exploits spanners, i.e. deep neural networks whose input space is low-dimensional and whose output range approximates the set of images of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Ajil Jalal , Andrew Ilyas , Constantinos Daskalakis , Alexandros G. Dimakis

Adversarial examples pose a threat to deep neural network models in a variety of scenarios, from settings where the adversary has complete knowledge of the model and to the opposite "black box" setting. Black box attacks are particularly…

Machine Learning · Computer Science 2019-05-27 Haidar Khan , Daniel Park , Azer Khan , Bülent Yener

Autonomous vehicles are typical complex intelligent systems with artificial intelligence at their core. However, perception methods based on deep learning are extremely vulnerable to adversarial samples, resulting in security accidents. How…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Yuanhao Huang , Yilong Ren , Jinlei Wang , Lujia Huo , Xuesong Bai , Jinchuan Zhang , Haiyan Yu

In recent years, neural networks have become the default choice for image classification and many other learning tasks, even though they are vulnerable to so-called adversarial attacks. To increase their robustness against these attacks,…

Machine Learning · Computer Science 2020-02-10 Hasan Ferit Eniser , Maria Christakis , Valentin Wüstholz

Deep learning methods have achieved great success in solving computer vision tasks, and they have been widely utilized in artificially intelligent systems for image processing, analysis, and understanding. However, deep neural networks have…

Machine Learning · Computer Science 2022-11-23 Hanshu Yan

The Deep neural networks (DNNs) have achieved great success on a variety of computer vision tasks, however, they are highly vulnerable to adversarial attacks. To address this problem, we propose to improve the local smoothness of the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Yaoyao Zhong , Weihong Deng

Adversarial examples present significant challenges to the security of Deep Neural Network (DNN) applications. Specifically, there are patch-based and texture-based attacks that are usually used to craft physical-world adversarial examples,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Wei Zhang , Xinyu Chang , Xiao Li , Yiming Zhu , Xiaolin Hu

Spiking neural networks (SNNs) attract great attention due to their low power consumption, low latency, and biological plausibility. As they are widely deployed in neuromorphic devices for low-power brain-inspired computing, security issues…

Machine Learning · Computer Science 2022-11-07 Chunming Jiang , Yilei Zhang

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

Research has proven that end-to-end malware detectors are vulnerable to adversarial attacks. In response, the research community has proposed defenses based on randomized and (de)randomized smoothing. However, these techniques remain…

Cryptography and Security · Computer Science 2025-12-11 Daniel Gibert , Felip Manyà

We propose a novel defense against all existing gradient based adversarial attacks on deep neural networks for image classification problems. Our defense is based on a combination of deep neural networks and simple image transformations.…

Machine Learning · Computer Science 2020-06-18 Kaleel Mahmood , Phuong Ha Nguyen , Lam M. Nguyen , Thanh Nguyen , Marten van Dijk