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Related papers: Simple Black-box Adversarial Attacks

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Current neural network-based classifiers are susceptible to adversarial examples even in the black-box setting, where the attacker only has query access to the model. In practice, the threat model for real-world systems is often more…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Andrew Ilyas , Logan Engstrom , Anish Athalye , Jessy Lin

White box adversarial perturbations are generated via iterative optimization algorithms most often by minimizing an adversarial loss on a $\ell_p$ neighborhood of the original image, the so-called distortion set. Constraining the…

Machine Learning · Computer Science 2021-02-16 Ehsan Kazemi , Thomas Kerdreux , Liquang Wang

Adversarial attacks have threatened the application of deep neural networks in security-sensitive scenarios. Most existing black-box attacks fool the target model by interacting with it many times and producing global perturbations.…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Tao Xiang , Hangcheng Liu , Shangwei Guo , Tianwei Zhang , Xiaofeng Liao

Most existing works of adversarial samples focus on attacking image recognition models, while little attention is paid to the image retrieval task. In this paper, we identify two inherent challenges in applying prevailing image recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Zhedong Zheng , Liang Zheng , Yi Yang , Fei Wu

Powerful adversarial attack methods are vital for understanding how to construct robust deep neural networks (DNNs) and for thoroughly testing defense techniques. In this paper, we propose a black-box adversarial attack algorithm that can…

Machine Learning · Computer Science 2019-12-11 Yandong Li , Lijun Li , Liqiang Wang , Tong Zhang , Boqing Gong

Constructing adversarial examples in a black-box threat model injures the original images by introducing visual distortion. In this paper, we propose a novel black-box attack approach that can directly minimize the induced distortion by…

Machine Learning · Computer Science 2021-07-28 Nannan Li , Zhenzhong Chen

We study black-box adversarial attacks for image classifiers in a constrained threat model, where adversaries can only modify a small fraction of pixels in the form of scratches on an image. We show that it is possible for adversaries to…

Neural and Evolutionary Computing · Computer Science 2020-08-07 Malhar Jere , Loris Rossi , Briland Hitaj , Gabriela Ciocarlie , Giacomo Boracchi , Farinaz Koushanfar

Deep learning-based object detection has become ubiquitous in the last decade due to its high accuracy in many real-world applications. With this growing trend, these models are interested in being attacked by adversaries, with most of the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Pham Phuc , Son Vuong , Khang Nguyen , Tuan Dang

Though CNNs have achieved the state-of-the-art performance on various vision tasks, they are vulnerable to adversarial examples --- crafted by adding human-imperceptible perturbations to clean images. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Cihang Xie , Zhishuai Zhang , Yuyin Zhou , Song Bai , Jianyu Wang , Zhou Ren , Alan Yuille

We propose a new, simple framework for crafting adversarial examples for black box attacks. The idea is to simulate the substitution model with a non-trainable model compounded of just one layer of handcrafted convolutional kernels and then…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Petr Dvořáček , Petr Hurtik , Petra Števuliáková

Adversarial attacks, wherein slight inputs are carefully crafted to mislead intelligent models, have attracted increasing attention. However, a critical gap persists between theoretical advancements and practical application, particularly…

Cryptography and Security · Computer Science 2025-06-26 Sabrine Ennaji , Elhadj Benkhelifa , Luigi V. Mancini

Image classification currently faces significant security challenges due to adversarial attacks, which consist of intentional alterations designed to deceive classification models based on artificial intelligence. This article explores an…

Neural and Evolutionary Computing · Computer Science 2025-07-18 Sergio Nesmachnow , Jamal Toutouh

Face recognition has obtained remarkable progress in recent years due to the great improvement of deep convolutional neural networks (CNNs). However, deep CNNs are vulnerable to adversarial examples, which can cause fateful consequences in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Yinpeng Dong , Hang Su , Baoyuan Wu , Zhifeng Li , Wei Liu , Tong Zhang , Jun Zhu

This work investigates efficient score-based black-box adversarial attacks with a high Attack Success Rate (ASR) and good generalizability. We design a novel attack method based on a Disentangled Feature space, called DifAttack, which…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Liu Jun , Zhou Jiantao , Zeng Jiandian , Jinyu Tian

In the last decade, deep neural networks have proven to be very powerful in computer vision tasks, starting a revolution in the computer vision and machine learning fields. However, deep neural networks, usually, are not robust to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Hao Qiu , Leonardo Lucio Custode , Giovanni Iacca

Collaborative multi-agent reinforcement learning has rapidly evolved, offering state-of-the-art algorithms for real-world applications, including sensitive domains. However, a key challenge to its widespread adoption is the lack of a…

Machine Learning · Computer Science 2026-01-22 Amine Andam , Jamal Bentahar , Mustapha Hedabou

Adversarial examples are well-known tools to evaluate the vulnerability of deep neural networks (DNNs). Although lots of adversarial attack algorithms have been developed, it's still challenging in the practical scenario that the model's…

Cryptography and Security · Computer Science 2025-05-27 Meixi Zheng , Xuanchen Yan , Zihao Zhu , Hongrui Chen , Baoyuan Wu

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

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

There are two main attack models considered in the adversarial robustness literature: black-box and white-box. We consider these threat models as two ends of a fine-grained spectrum, indexed by the number of queries the adversary can ask.…

Machine Learning · Computer Science 2021-02-11 Grzegorz Głuch , Rüdiger Urbanke