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Current black-box adversarial attacks either require multiple queries or diffusion models to produce adversarial samples that can impair the target model performance. However, these methods require training a surrogate loss or diffusion…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Joana C. Costa , Tiago Roxo , Hugo Proença , Pedro R. M. Inácio

We study adversarial examples in a black-box setting where the adversary only has API access to the target model and each query is expensive. Prior work on black-box adversarial examples follows one of two main strategies: (1) transfer…

密码学与安全 · 计算机科学 2019-12-03 Fnu Suya , Jianfeng Chi , David Evans , Yuan Tian

Image classifiers based on deep neural networks suffer from harassment caused by adversarial examples. Two defects exist in black-box iterative attacks that generate adversarial examples by incrementally adjusting the noise-adding direction…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Yucheng Shi , Siyu Wang , Yahong Han

Black-Box attacks on machine learning models occur when an attacker, despite having no access to the inner workings of a model, can successfully craft an attack by means of model theft. The attacker will train an own substitute model that…

机器学习 · 计算机科学 2017-11-16 Yannic Kilcher , Thomas Hofmann

In the scenario of black-box adversarial attack, the target model's parameters are unknown, and the attacker aims to find a successful adversarial perturbation based on query feedback under a query budget. Due to the limited feedback…

机器学习 · 计算机科学 2023-01-03 Fei Yin , Yong Zhang , Baoyuan Wu , Yan Feng , Jingyi Zhang , Yanbo Fan , Yujiu Yang

Adversarial attacks on deep neural networks traditionally rely on a constrained optimization paradigm, where an optimization procedure is used to obtain a single adversarial perturbation for a given input example. In this work we frame the…

机器学习 · 计算机科学 2020-01-22 Avishek Joey Bose , Andre Cianflone , William L. Hamilton

A growing body of work has shown that deep neural networks are susceptible to adversarial examples. These take the form of small perturbations applied to the model's input which lead to incorrect predictions. Unfortunately, most literature…

Universal adversarial attacks, which hinder most deep neural network (DNN) tasks using only a small single perturbation called a universal adversarial perturbation (UAP), is a realistic security threat to the practical application of a DNN.…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Kazuki Koga , Kazuhiro Takemoto

Deep neural networks (DNNs) are sensitive to adversarial data in a variety of scenarios, including the black-box scenario, where the attacker is only allowed to query the trained model and receive an output. Existing black-box methods for…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Raz Lapid , Zvika Haramaty , Moshe Sipper

Recent research has revealed that the output of Deep Neural Networks (DNN) can be easily altered by adding relatively small perturbations to the input vector. In this paper, we analyze an attack in an extremely limited scenario where only…

机器学习 · 计算机科学 2019-10-18 Jiawei Su , Danilo Vasconcellos Vargas , Sakurai Kouichi

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…

密码学与安全 · 计算机科学 2021-07-14 Andrei Ilie , Marius Popescu , Alin Stefanescu

Deep neural networks are susceptible to \emph{adversarial} attacks. In computer vision, well-crafted perturbations to images can cause neural networks to make mistakes such as confusing a cat with a computer. Previous adversarial attacks…

机器学习 · 计算机科学 2019-09-12 Gamaleldin F. Elsayed , Ian Goodfellow , Jascha Sohl-Dickstein

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…

机器学习 · 计算机科学 2020-10-13 Ivan Fursov , Alexey Zaytsev , Nikita Kluchnikov , Andrey Kravchenko , Evgeny Burnaev

Deep neural networks are vulnerable to small input perturbations known as adversarial attacks. Inspired by the fact that these adversaries are constructed by iteratively minimizing the confidence of a network for the true class label, we…

机器学习 · 计算机科学 2021-12-17 Motasem Alfarra , Juan C. Pérez , Ali Thabet , Adel Bibi , Philip H. S. Torr , Bernard Ghanem

Deep neural networks are vulnerable to adversarial attacks, which can fool them by adding minuscule perturbations to the input images. The robustness of existing defenses suffers greatly under white-box attack settings, where an adversary…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Aamir Mustafa , Salman Khan , Munawar Hayat , Roland Goecke , Jianbing Shen , Ling Shao

The deep neural network is vulnerable to adversarial examples. Adding imperceptible adversarial perturbations to images is enough to make them fail. Most existing research focuses on attacking image classifiers or anchor-based object…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Quanyu Liao , Xin Wang , Bin Kong , Siwei Lyu , Youbing Yin , Qi Song , Xi Wu

Deep neural network classifiers suffer from adversarial vulnerability: well-crafted, unnoticeable changes to the input data can affect the classifier decision. In this regard, the study of powerful adversarial attacks can help shed light on…

机器学习 · 计算机科学 2020-07-07 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

We focus on the problem of adversarial attacks against models on discrete sequential data in the black-box setting where the attacker aims to craft adversarial examples with limited query access to the victim model. Existing black-box…

机器学习 · 计算机科学 2022-06-20 Deokjae Lee , Seungyong Moon , Junhyeok Lee , Hyun Oh Song

Research on adversarial examples in computer vision tasks has shown that small, often imperceptible changes to an image can induce misclassification, which has security implications for a wide range of image processing systems. Considering…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Jérôme Rony , Luiz G. Hafemann , Luiz S. Oliveira , Ismail Ben Ayed , Robert Sabourin , Eric Granger

Existing black box search methods have achieved high success rate in generating adversarial attacks against NLP models. However, such search methods are inefficient as they do not consider the amount of queries required to generate…

计算与语言 · 计算机科学 2021-09-13 Rishabh Maheshwary , Saket Maheshwary , Vikram Pudi