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Related papers: Sparse and Imperceivable Adversarial Attacks

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Shadow removal is a task aimed at erasing regional shadows present in images and reinstating visually pleasing natural scenes with consistent illumination. While recent deep learning techniques have demonstrated impressive performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Chong Wang , Yi Yu , Lanqing Guo , Bihan Wen

Adversarial training, in which a network is trained on both adversarial and clean examples, is one of the most trusted defense methods against adversarial attacks. However, there are three major practical difficulties in implementing and…

Machine Learning · Computer Science 2019-10-11 Shixian Wen , Laurent Itti

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

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 propose to generate adversarial samples by modifying activations of upper layers encoding semantically meaningful concepts. The original sample is shifted towards a target sample, yielding an adversarial sample, by using the modified…

Machine Learning · Computer Science 2022-03-22 Johannes Schneider , Giovanni Apruzzese

Deep neural networks (DNNs) can be easily fooled by adding human imperceptible perturbations to the images. These perturbed images are known as `adversarial examples' and pose a serious threat to security and safety critical systems. A…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Muzammal Naseer , Salman H. Khan , Shafin Rahman , Fatih Porikli

Adversarial examples are perturbed inputs designed to fool machine learning models. Most recent works on adversarial examples for image classification focus on directly modifying pixels with minor perturbations. A common requirement in all…

Machine Learning · Computer Science 2018-12-27 Dan Peng , Zizhan Zheng , Xiaofeng Zhang

It has been demonstrated that deep neural networks are prone to noisy examples particular adversarial samples during inference process. The gap between robust deep learning systems in real world applications and vulnerable neural networks…

Machine Learning · Computer Science 2018-07-03 Xinhan Di , Pengqian Yu , Meng Tian

Adversarial attacks meticulously generate minuscule, imperceptible perturbations to images to deceive neural networks. Counteracting these, adversarial purification methods seek to transform adversarial input samples into clean output…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Sitong Liu , Zhichao Lian , Shuangquan Zhang , Liang Xiao

Many existing adversarial attacks generate $L_p$-norm perturbations on image RGB space. Despite some achievements in transferability and attack success rate, the crafted adversarial examples are easily perceived by human eyes. Towards…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jianqi Chen , Hao Chen , Keyan Chen , Yilan Zhang , Zhengxia Zou , Zhenwei Shi

We find that images contain intrinsic structure that enables the reversal of many adversarial attacks. Attack vectors cause not only image classifiers to fail, but also collaterally disrupt incidental structure in the image. We demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Chengzhi Mao , Mia Chiquier , Hao Wang , Junfeng Yang , Carl Vondrick

Deep neural networks are susceptible to adversarial inputs and various methods have been proposed to defend these models against adversarial attacks under different perturbation models. The robustness of models to adversarial attacks has…

Machine Learning · Computer Science 2022-11-01 Jian Vora , Pranay Reddy Samala

Adversarial attacks, e.g., adversarial perturbations of the input and adversarial samples, pose significant challenges to machine learning and deep learning techniques, including interactive recommendation systems. The latent embedding…

Machine Learning · Computer Science 2021-12-03 Siyu Wang , Yuanjiang Cao , Xiaocong Chen , Lina Yao , Xianzhi Wang , Quan Z. Sheng

Modern object detectors are vulnerable to adversarial examples, which may bring risks to real-world applications. The sparse attack is an important task which, compared with the popular adversarial perturbation on the whole image, needs to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Yichi Zhang , Zijian Zhu , Hang Su , Jun Zhu , Shibao Zheng , Yuan He , Hui Xue

Machine learning models are vulnerable to tiny adversarial input perturbations optimized to cause a very large output error. To measure this vulnerability, we need reliable methods that can find such adversarial perturbations. For image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Levente Halmosi , Bálint Mohos , Márk Jelasity

We study the unique, less-well understood problem of generating sparse adversarial samples simply by observing the score-based replies to model queries. Sparse attacks aim to discover a minimum number-the l0 bounded-perturbations to model…

Machine Learning · Computer Science 2024-06-04 Viet Quoc Vo , Ehsan Abbasnejad , Damith C. Ranasinghe

Enhancing our understanding of adversarial examples is crucial for the secure application of machine learning models in real-world scenarios. A prevalent method for analyzing adversarial examples is through a frequency-based approach.…

Machine Learning · Computer Science 2024-04-17 Zhun Zhang , Yi Zeng , Qihe Liu , Shijie Zhou

Neural networks are vulnerable to adversarial examples, malicious inputs crafted to fool trained models. Adversarial examples often exhibit black-box transfer, meaning that adversarial examples for one model can fool another model. However,…

Machine Learning · Computer Science 2018-11-22 Qian Huang , Zeqi Gu , Isay Katsman , Horace He , Pian Pawakapan , Zhiqiu Lin , Serge Belongie , Ser-Nam Lim

Adversarial examples raise questions about whether neural network models are sensitive to the same visual features as humans. In this paper, we first detect adversarial examples or otherwise corrupted images based on a class-conditional…

Machine Learning · Computer Science 2020-02-19 Yao Qin , Nicholas Frosst , Sara Sabour , Colin Raffel , Garrison Cottrell , Geoffrey Hinton

The vulnerability of deep image classification networks to adversarial attack is now well known, but less well understood. Via a novel experimental analysis, we illustrate some facts about deep convolutional networks for image…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Saumya Jetley , Nicholas A. Lord , Philip H. S. Torr