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The adversarial attack literature contains a myriad of algorithms for crafting perturbations which yield pathological behavior in neural networks. In many cases, multiple algorithms target the same tasks and even enforce the same…

Machine Learning · Computer Science 2021-10-14 Hossein Souri , Pirazh Khorramshahi , Chun Pong Lau , Micah Goldblum , Rama Chellappa

Deep neural network image classifiers are reported to be susceptible to adversarial evasion attacks, which use carefully crafted images created to mislead a classifier. Many adversarial attacks belong to the category of dense attacks, which…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 He Zhao , Thanh Nguyen , Trung Le , Paul Montague , Olivier De Vel , Tamas Abraham , Dinh Phung

This chapter introduces the concept of adversarial attacks on image classification models built on convolutional neural networks (CNN). CNNs are very popular deep-learning models which are used in image classification tasks. However, very…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jaydip Sen , Subhasis Dasgupta

Adversarial perturbations can be added to images to protect their content from unwanted inferences. These perturbations may, however, be ineffective against classifiers that were not {seen} during the generation of the perturbation, or…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Ricardo Sanchez-Matilla , Chau Yi Li , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

Adversarial perturbations are imperceptible changes to input pixels that can change the prediction of deep learning models. Learned weights of models robust to such perturbations are previously found to be transferable across different…

Machine Learning · Computer Science 2020-10-30 Alvin Chan , Yi Tay , Yew-Soon Ong

Adversarial examples have raised questions regarding the robustness and security of deep neural networks. In this work we formalize the problem of adversarial images given a pretrained classifier, showing that even in the linear case the…

Neural and Evolutionary Computing · Computer Science 2016-06-24 Pedro Tabacof , Eduardo Valle

The studies on black-box adversarial attacks have become increasingly prevalent due to the intractable acquisition of the structural knowledge of deep neural networks (DNNs). However, the performance of emerging attacks is negatively…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Jie Wang , Zhaoxia Yin , Jin Tang , Jing Jiang , Bin Luo

Deep learning models have shown their vulnerability when dealing with adversarial attacks. Existing attacks almost perform on low-level instances, such as pixels and super-pixels, and rarely exploit semantic clues. For face recognition…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Shuai Jia , Bangjie Yin , Taiping Yao , Shouhong Ding , Chunhua Shen , Xiaokang Yang , Chao Ma

Many machine learning classifiers are vulnerable to adversarial perturbations. An adversarial perturbation modifies an input to change a classifier's prediction without causing the input to seem substantially different to human perception.…

Machine Learning · Computer Science 2017-03-27 Dan Hendrycks , Kevin Gimpel

Neural network image classifiers are known to be vulnerable to adversarial images, i.e., natural images which have been modified by an adversarial perturbation specifically designed to be imperceptible to humans yet fool the classifier. Not…

Computer Vision and Pattern Recognition · Computer Science 2016-08-03 Gintare Karolina Dziugaite , Zoubin Ghahramani , Daniel M. Roy

Adversarial attacks play an essential role in understanding deep neural network predictions and improving their robustness. Existing attack methods aim to deceive convolutional neural network (CNN)-based classifiers by manipulating RGB…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Buu Phan , Fahim Mannan , Felix Heide

We present a method for adversarial attack detection based on the inspection of a sparse set of neurons. We follow the hypothesis that adversarial attacks introduce imperceptible perturbations in the input and that these perturbations…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Roger Granda , Tinne Tuytelaars , Jose Oramas

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…

Machine Learning · Computer Science 2021-12-17 Motasem Alfarra , Juan C. Pérez , Ali Thabet , Adel Bibi , Philip H. S. Torr , Bernard Ghanem

Defending against physical adversarial attacks is a rapidly growing topic in deep learning and computer vision. Prominent forms of physical adversarial attacks, such as overlaid adversarial patches and objects, share similarities with…

Cryptography and Security · Computer Science 2020-11-13 Perry Deng , Mohammad Saidur Rahman , Matthew Wright

Adversarial examples for diffusion models are widely used as solutions for safety concerns. By adding adversarial perturbations to personal images, attackers can not edit or imitate them easily. However, it is essential to note that all…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Haotian Xue , Yongxin Chen

We propose a probabilistic perspective on adversarial examples, allowing us to embed subjective understanding of semantics as a distribution into the process of generating adversarial examples, in a principled manner. Despite significant…

Machine Learning · Statistics 2024-11-26 Andi Zhang , Mingtian Zhang , Damon Wischik

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…

Cryptography and Security · Computer Science 2019-10-04 Jiefeng Chen , Xi Wu , Vaibhav Rastogi , Yingyu Liang , Somesh Jha

While deep neural networks have proven to be a powerful tool for many recognition and classification tasks, their stability properties are still not well understood. In the past, image classifiers have been shown to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Rima Alaifari , Giovanni S. Alberti , Tandri Gauksson

Many machine learning image classifiers are vulnerable to adversarial attacks, inputs with perturbations designed to intentionally trigger misclassification. Current adversarial methods directly alter pixel colors and evaluate against pixel…

Machine Learning · Computer Science 2019-02-19 Hsueh-Ti Derek Liu , Michael Tao , Chun-Liang Li , Derek Nowrouzezahrai , Alec Jacobson

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…

Machine Learning · Computer Science 2019-10-18 Jiawei Su , Danilo Vasconcellos Vargas , Sakurai Kouichi