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Recent research has demonstrated that deep neural networks (DNNs) are vulnerable to adversarial perturbations. Therefore, it is imperative to evaluate the resilience of advanced DNNs to adversarial attacks. However, traditional methods that…

密码学与安全 · 计算机科学 2023-05-24 Chengyin Hu , Weiwen Shi , Ling Tian

Natural images are virtually surrounded by low-density misclassified regions that can be efficiently discovered by gradient-guided search --- enabling the generation of adversarial images. While many techniques for detecting these attacks…

机器学习 · 计算机科学 2019-12-05 Tao Yu , Shengyuan Hu , Chuan Guo , Wei-Lun Chao , Kilian Q. Weinberger

The state-of-the-art deep neural networks (DNNs) are vulnerable against adversarial examples with additive random-like noise perturbations. While such examples are hardly found in the physical world, the image blurring effect caused by…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Qing Guo , Felix Juefei-Xu , Xiaofei Xie , Lei Ma , Jian Wang , Bing Yu , Wei Feng , Yang Liu

The susceptibility of deep neural networks (DNNs) to adversarial examples has prompted an increase in the deployment of adversarial attacks. Image-agnostic universal adversarial perturbations (UAPs) are much more threatening, but many…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Geunhyeok Yu , Minwoo Jeon , Hyoseok Hwang

Wide adoption of artificial neural networks in various domains has led to an increasing interest in defending adversarial attacks against them. Preprocessing defense methods such as pixel discretization are particularly attractive in…

密码学与安全 · 计算机科学 2019-10-04 Jiefeng Chen , Xi Wu , Vaibhav Rastogi , Yingyu Liang , Somesh Jha

Adversarial images are designed to mislead deep neural networks (DNNs), attracting great attention in recent years. Although several defense strategies achieved encouraging robustness against adversarial samples, most of them fail to…

机器学习 · 计算机科学 2020-02-25 Hang Yu , Aishan Liu , Xianglong Liu , Gengchao Li , Ping Luo , Ran Cheng , Jichen Yang , Chongzhi Zhang

Deep Neural Networks (DNNs) have recently led to significant improvements in many fields. However, DNNs are vulnerable to adversarial examples which are samples with imperceptible perturbations while dramatically misleading the DNNs.…

计算机视觉与模式识别 · 计算机科学 2018-11-11 Jiayang Liu , Weiming Zhang , Nenghai Yu

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…

神经与进化计算 · 计算机科学 2020-08-07 Malhar Jere , Loris Rossi , Briland Hitaj , Gabriela Ciocarlie , Giacomo Boracchi , Farinaz Koushanfar

The existence of adversarial examples brings huge concern for people to apply Deep Neural Networks (DNNs) in safety-critical tasks. However, how to generate adversarial examples with categorical data is an important problem but lack of…

机器学习 · 计算机科学 2023-11-08 Han Xu , Pengfei He , Jie Ren , Yuxuan Wan , Zitao Liu , Hui Liu , Jiliang Tang

Minute pixel changes in an image drastically change the prediction that the deep learning model makes. One of the most significant problems that could arise due to this, for instance, is autonomous driving. Many methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Shreyank N Gowda , Chun Yuan

Nowadays, digital facial content manipulation has become ubiquitous and realistic with the success of generative adversarial networks (GANs), making face recognition (FR) systems suffer from unprecedented security concerns. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Run Wang , Felix Juefei-Xu , Qing Guo , Yihao Huang , Xiaofei Xie , Lei Ma , Yang Liu

We consider adversarial examples for image classification in the black-box decision-based setting. Here, an attacker cannot access confidence scores, but only the final label. Most attacks for this scenario are either unreliable or…

机器学习 · 统计学 2021-04-30 Thomas Brunner , Frederik Diehl , Michael Truong Le , Alois Knoll

This study delves into the enhancement of Under-Display Camera (UDC) image restoration models, focusing on their robustness against adversarial attacks. Despite its innovative approach to seamless display integration, UDC technology faces…

图像与视频处理 · 电气工程与系统科学 2024-11-04 Zhenbo Song , Zhenyuan Zhang , Kaihao Zhang , Zhaoxin Fan , Jianfeng Lu

Deep neural networks (DNNs) have accomplished impressive success in various applications, including autonomous driving perception tasks, in recent years. On the other hand, current deep neural networks are easily fooled by adversarial…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Ibrahim Sobh , Ahmed Hamed , Varun Ravi Kumar , Senthil Yogamani

Target detection systems identify targets by localizing their coordinates on the input image of interest. This is ideally achieved by labeling each pixel in an image as a background or a potential target pixel. Deep Convolutional Neural…

人工智能 · 计算机科学 2021-08-31 Uche M. Osahor , Nasser M. Nasrabadi

Deep neural network (DNN) as a popular machine learning model is found to be vulnerable to adversarial attack. This attack constructs adversarial examples by adding small perturbations to the raw input, while appearing unmodified to human…

机器学习 · 计算机科学 2018-09-14 Pengcheng Li , Jinfeng Yi , Lijun Zhang

Generating adversarial examples is an intriguing problem and an important way of understanding the working mechanism of deep neural networks. Most existing approaches generated perturbations in the image space, i.e., each pixel can be…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Xiaohui Zeng , Chenxi Liu , Yu-Siang Wang , Weichao Qiu , Lingxi Xie , Yu-Wing Tai , Chi Keung Tang , Alan L. Yuille

The rapid growth of deep learning has brought about powerful models that can handle various tasks, like identifying images and understanding language. However, adversarial attacks, an unnoticed alteration, can deceive models, leading to…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Sampriti Soor , Alik Pramanick , Jothiprakash K , Arijit Sur

Depending on how much information an adversary can access to, adversarial attacks can be classified as white-box attack and black-box attack. For white-box attack, optimization-based attack algorithms such as projected gradient descent…

机器学习 · 计算机科学 2019-09-17 Jinghui Chen , Dongruo Zhou , Jinfeng Yi , Quanquan Gu

The vulnerability of the high-performance machine learning models implies a security risk in applications with real-world consequences. Research on adversarial attacks is beneficial in guiding the development of machine learning models on…

机器学习 · 计算机科学 2022-11-16 Yiran Huang , Yexu Zhou , Michael Hefenbrock , Till Riedel , Likun Fang , Michael Beigl