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A plethora of attack methods have been proposed to generate adversarial examples, among which the iterative methods have been demonstrated the ability to find a strong attack. However, the computation of an adversarial perturbation for a…

Machine Learning · Computer Science 2021-12-16 Chia-Hung Yuan , Pin-Yu Chen , Chia-Mu Yu

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

This paper introduces stochastic sparse adversarial attacks (SSAA), standing as simple, fast and purely noise-based targeted and untargeted attacks of neural network classifiers (NNC). SSAA offer new examples of sparse (or $L_0$) attacks…

Machine Learning · Computer Science 2022-02-22 Manon Césaire , Lucas Schott , Hatem Hajri , Sylvain Lamprier , Patrick Gallinari

Multi-armed adversarial attacks, in which multiple algorithms and objective loss functions are simultaneously used at evaluation time, have been shown to be highly successful in fooling state-of-the-art adversarial examples detectors while…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Federica Granese , Marco Romanelli , Siddharth Garg , Pablo Piantanida

The advent of convenient and efficient fully unmanned stores equipped with artificial intelligence-based automated checkout systems marks a new era in retail. However, these systems have inherent artificial intelligence security…

Cryptography and Security · Computer Science 2025-05-15 Hyunsik Na , Wonho Lee , Seungdeok Roh , Sohee Park , Daeseon Choi

Deep Neural Networks have been widely used in many fields. However, studies have shown that DNNs are easily attacked by adversarial examples, which have tiny perturbations and greatly mislead the correct judgment of DNNs. Furthermore, even…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Shaowei Zhu , Wanli Lyu , Bin Li , Zhaoxia Yin , Bin Luo

Consider the problem of mitigating the impact on data integrity of phasor measurement units (PMUs) given a GPS spoofing attack. We present a sparse error correction framework to treat PMU measurements that are potentially corrupted due to a…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Shashini De Silva , Jinsub Kim , Eduardo Cotilla-Sanchez , Travis Hagan

Perturbation-based attacks, while not physically realizable, have been the main emphasis of adversarial machine learning (ML) research. Patch-based attacks by contrast are physically realizable, yet most work has focused on 2D domain with…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Max Lennon , Nathan Drenkow , Philippe Burlina

We propose LSDAT, an image-agnostic decision-based black-box attack that exploits low-rank and sparse decomposition (LSD) to dramatically reduce the number of queries and achieve superior fooling rates compared to the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Ashkan Esmaeili , Marzieh Edraki , Nazanin Rahnavard , Mubarak Shah , Ajmal Mian

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

In this paper, we propose a new key-based defense focusing on both efficiency and robustness. Although the previous key-based defense seems effective in defending against adversarial examples, carefully designed adaptive attacks can bypass…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 AprilPyone MaungMaung , Isao Echizen , Hitoshi Kiya

Fundamental questions remain about when and why adversarial examples arise in neural networks, with competing views characterising them either as artifacts of the irregularities in the decision landscape or as products of sensitivity to…

Machine Learning · Computer Science 2025-10-14 Edward Stevinson , Lucas Prieto , Melih Barsbey , Tolga Birdal

Modern deep neural networks(DNNs) are vulnerable to adversarial samples. Sparse adversarial samples are a special branch of adversarial samples that can fool the target model by only perturbing a few pixels. The existence of the sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Xiaoyi Dong , Dongdong Chen , Jianmin Bao , Chuan Qin , Lu Yuan , Weiming Zhang , Nenghai Yu , Dong Chen

An adversarial patch can arbitrarily manipulate image pixels within a restricted region to induce model misclassification. The threat of this localized attack has gained significant attention because the adversary can mount a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Chong Xiang , Prateek Mittal

We present a method to create universal, robust, targeted adversarial image patches in the real world. The patches are universal because they can be used to attack any scene, robust because they work under a wide variety of transformations,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-18 Tom B. Brown , Dandelion Mané , Aurko Roy , Martín Abadi , Justin Gilmer

Adversarial examples are perturbed inputs which can cause a serious threat for machine learning models. Finding these perturbations is such a hard task that we can only use the iterative methods to traverse. For computational efficiency,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Image patch matching, which is the process of identifying corresponding patches across images, has been used as a subroutine for many computer vision and image processing tasks. State -of-the-art patch matching techniques take image patches…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Akila Pemasiri , Kien Nguyen , Sridha Sridharan , Clinton Fookes

Recently demonstrated physical-world adversarial attacks have exposed vulnerabilities in perception systems that pose severe risks for safety-critical applications such as autonomous driving. These attacks place adversarial artifacts in the…

Machine Learning · Computer Science 2021-06-23 Jan Hendrik Metzen , Nicole Finnie , Robin Hutmacher

Deep neural nets achieve state-of-the-art performance on the problem of optical flow estimation. Since optical flow is used in several safety-critical applications like self-driving cars, it is important to gain insights into the robustness…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Anurag Ranjan , Joel Janai , Andreas Geiger , Michael J. Black

Skeleton-based action recognition models have recently been shown to be vulnerable to adversarial attacks. Compared to adversarial attacks on images, perturbations to skeletons are typically bounded to a lower dimension of approximately 100…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Nariki Tanaka , Hiroshi Kera , Kazuhiko Kawamoto