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Related papers: Attack and Defense Analysis of Learned Image Compr…

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We study the effectiveness of various approaches that defend against adversarial attacks on deep networks via manipulations based on basis function representations of images. Specifically, we experiment with low-pass filtering, PCA, JPEG…

We show that when taking into account also the image domain $[0,1]^d$, established $l_1$-projected gradient descent (PGD) attacks are suboptimal as they do not consider that the effective threat model is the intersection of the $l_1$-ball…

Machine Learning · Computer Science 2023-11-27 Francesco Croce , Matthias Hein

The security of the Person Re-identification(ReID) model plays a decisive role in the application of ReID. However, deep neural networks have been shown to be vulnerable, and adding undetectable adversarial perturbations to clean images can…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yunpeng Gong , Zhiyong Zeng , Liwen Chen , Yifan Luo , Bin Weng , Feng Ye

Adversarial perturbations dramatically decrease the accuracy of state-of-the-art image classifiers. In this paper, we propose and analyze a simple and computationally efficient defense strategy: inject random Gaussian noise, discretize each…

Machine Learning · Computer Science 2019-03-27 Yuchen Zhang , Percy Liang

Recent studies have shown that neural network (NN) based image classifiers are highly vulnerable to adversarial examples, which poses a threat to security-sensitive image recognition task. Prior work has shown that JPEG compression can…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Cheng Zhang , Pan Gao

Previous work has suggested that preprocessing images through lossy compression can defend against adversarial perturbations, but comprehensive attack evaluations have been lacking. In this paper, we construct strong white-box and adaptive…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Samuel Räber , Till Aczel , Andreas Plesner , Roger Wattenhofer

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…

Machine Learning · Computer Science 2018-10-22 Tianhang Zheng , Changyou Chen , Kui Ren

Image compression is a ubiquitous component of modern visual pipelines, routinely applied by social media platforms and resource-constrained systems prior to inference. Despite its prevalence, the impact of compression on adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Lewis Evans , Harkrishan Jandu , Zihan Ye , Yang Lu , Shreyank N Gowda

Adversarial attacks can readily disrupt the image classification system, revealing the vulnerability of DNN-based recognition tasks. While existing adversarial perturbations are primarily applied to uncompressed images or compressed images…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Yang Sui , Zhuohang Li , Ding Ding , Xiang Pan , Xiaozhong Xu , Shan Liu , Zhenzhong Chen

Today's state-of-the-art image classifiers fail to correctly classify carefully manipulated adversarial images. In this work, we develop a new, localized adversarial attack that generates adversarial examples by imperceptibly altering the…

Machine Learning · Computer Science 2019-09-12 Eitan Rothberg , Tingting Chen , Luo Jie , Hao Ji

Adversarial attacks in machine learning traditionally focus on global perturbations to input data, yet the potential of localized adversarial noise remains underexplored. This study systematically evaluates localized adversarial attacks…

Machine Learning · Computer Science 2025-09-30 Pavan Reddy , Aditya Sanjay Gujral

Convolutional neural networks (CNNs) have achieved state-of-the-art performance on various tasks in computer vision. However, recent studies demonstrate that these models are vulnerable to carefully crafted adversarial samples and suffer…

Machine Learning · Computer Science 2020-12-15 Xin Li , Xiangrui Li , Deng Pan , Dongxiao Zhu

The existence of adversarial images has seriously affected the task of image recognition and practical application of deep learning, it is also a key scientific problem that deep learning urgently needs to solve. By far the most effective…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Yunuo Xiong , Shujuan Liu , Hongwei Xiong

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…

Machine Learning · Computer Science 2021-12-24 Zhiwen Yan , Teck Khim Ng

Neural networks have been proven to be vulnerable to a variety of adversarial attacks. From a safety perspective, highly sparse adversarial attacks are particularly dangerous. On the other hand the pixelwise perturbations of sparse attacks…

Machine Learning · Computer Science 2019-09-12 Francesco Croce , Matthias Hein

In this paper, we develop improved techniques for defending against adversarial examples at scale. First, we implement the state of the art version of adversarial training at unprecedented scale on ImageNet and investigate whether it…

Machine Learning · Computer Science 2018-03-20 Harini Kannan , Alexey Kurakin , Ian Goodfellow

Conventional adversarial defenses reduce classification accuracy whether or not a model is under attacks. Moreover, most of image processing based defenses are defeated due to the problem of obfuscated gradients. In this paper, we propose a…

Machine Learning · Computer Science 2020-05-19 MaungMaung AprilPyone , Hitoshi Kiya

We introduce the Lossy Implicit Network Activation Coding (LINAC) defence, an input transformation which successfully hinders several common adversarial attacks on CIFAR-$10$ classifiers for perturbations up to $\epsilon = 8/255$ in…

Machine Learning · Computer Science 2022-10-26 Andrei A. Rusu , Dan A. Calian , Sven Gowal , Raia Hadsell

Learnable Image Compression (LIC) has proven capable of outperforming standardized video codecs in compression efficiency. However, achieving both real-time and secure LIC operations on hardware presents significant conceptual and…

Cryptography and Security · Computer Science 2025-03-17 Alaa Mazouz , Carl De Sousa Tria , Sumanta Chaudhuri , Attilio Fiandrotti , Marco Cagnanzzo , Mihai Mitrea , Enzo Tartaglione

As deep learning (DL) models are increasingly being integrated into our everyday lives, ensuring their safety by making them robust against adversarial attacks has become increasingly critical. DL models have been found to be susceptible to…

Machine Learning · Computer Science 2026-05-29 Hallgrimur Thorsteinsson , Valdemar J Henriksen , Daniel I R Cruz , Raghavendra Selvan , Tong Chen