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Adversarial attacks expose important vulnerabilities of deep learning models, yet little attention has been paid to settings where data arrives as a stream. In this paper, we formalize the online adversarial attack problem, emphasizing two…

Video enhancement is a challenging problem, more than that of stills, mainly due to high computational cost, larger data volumes and the difficulty of achieving consistency in the spatio-temporal domain. In practice, these challenges are…

Image and Video Processing · Electrical Eng. & Systems 2022-12-13 Dario Fuoli , Zhiwu Huang , Danda Pani Paudel , Luc Van Gool , Radu Timofte

Machine learning classifiers are critically prone to evasion attacks. Adversarial examples are slightly modified inputs that are then misclassified, while remaining perceptively close to their originals. Last couple of years have witnessed…

Cryptography and Security · Computer Science 2022-05-23 Thibault Maho , Teddy Furon , Erwan Le Merrer

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

Advances in deep learning have enabled a wide range of promising applications. However, these systems are vulnerable to Adversarial Machine Learning (AML) attacks; adversarially crafted perturbations to their inputs could cause them to…

Cryptography and Security · Computer Science 2022-01-06 Amira Guesmi , Khaled N. Khasawneh , Nael Abu-Ghazaleh , Ihsen Alouani

Deep learning has been broadly leveraged by major cloud providers, such as Google, AWS and Baidu, to offer various computer vision related services including image classification, object identification, illegal image detection, etc. While…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Xurong Li , Shouling Ji , Meng Han , Juntao Ji , Zhenyu Ren , Yushan Liu , Chunming Wu

Most existing works of adversarial samples focus on attacking image recognition models, while little attention is paid to the image retrieval task. In this paper, we identify two inherent challenges in applying prevailing image recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Zhedong Zheng , Liang Zheng , Yi Yang , Fei Wu

Robust machine learning is currently one of the most prominent topics which could potentially help shaping a future of advanced AI platforms that not only perform well in average cases but also in worst cases or adverse situations. Despite…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Pu Zhao , Sijia Liu , Pin-Yu Chen , Nghia Hoang , Kaidi Xu , Bhavya Kailkhura , Xue Lin

Adversarial attacks pose a threat to deep learning models. However, research on adversarial detection methods, especially in the multi-modal domain, is very limited. In this work, we propose an efficient and straightforward detection method…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Pingchuan Ma , Stavros Petridis , Maja Pantic

Deep Learning has been shown to be particularly vulnerable to adversarial samples. To combat adversarial strategies, numerous defensive techniques have been proposed. Among these, a promising approach is to use randomness in order to make…

Cryptography and Security · Computer Science 2020-03-18 Kumar Sharad , Giorgia Azzurra Marson , Hien Thi Thu Truong , Ghassan Karame

Decision-based black-box attacks often necessitate a large number of queries to craft an adversarial example. Moreover, decision-based attacks based on querying boundary points in the estimated normal vector direction often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Md Farhamdur Reza , Ali Rahmati , Tianfu Wu , Huaiyu Dai

Adversarial attacks pose a critical security threat to real-world AI systems by injecting human-imperceptible perturbations into benign samples to induce misclassification in deep learning models. While existing detection methods, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yinghe Zhang , Chi Liu , Shuai Zhou , Sheng Shen , Peng Gui

The output of Deep Neural Networks (DNN) can be altered by a small perturbation of the input in a black box setting by making multiple calls to the DNN. However, the high computation and time required makes the existing approaches unusable.…

Cryptography and Security · Computer Science 2022-05-05 Tianxun Zhou , Shubhankar Agrawal , Prateek Manocha

The paper introduces a white-box attack on computer vision models using SHAP values. It demonstrates how adversarial evasion attacks can compromise the performance of deep learning models by reducing output confidence or inducing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Frank Mollard , Marcus Becker , Florian Roehrbein

Adversarial attacks to image classification systems present challenges to convolutional networks and opportunities for understanding them. This study suggests that adversarial perturbations on images lead to noise in the features…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Cihang Xie , Yuxin Wu , Laurens van der Maaten , Alan Yuille , Kaiming He

Machine learning models have been found to be susceptible to adversarial examples that are often indistinguishable from the original inputs. These adversarial examples are created by applying adversarial perturbations to input samples,…

Machine Learning · Computer Science 2019-09-18 Rayan Mosli , Matthew Wright , Bo Yuan , Yin Pan

Machine unlearning aims to remove specific concepts from pretrained text-to-image diffusion models, yet several white- and black-box attacks have been introduced to make the model generate such unlearned concepts. These attacks,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Arian Komaei Koma , Seyed Amir Kasaei , AmirMahdi Sadeghzadeh , Mohammad Hossein Rohban

Decision-based attacks construct adversarial examples against a machine learning (ML) model by making only hard-label queries. These attacks have mainly been applied directly to standalone neural networks. However, in practice, ML models…

Cryptography and Security · Computer Science 2023-07-24 Chawin Sitawarin , Florian Tramèr , Nicholas Carlini

We introduce a method for learning adversarial perturbations targeted to individual images or videos. The learned perturbations are found to be sparse while at the same time containing a high level of feature detail. Thus, the extracted…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Roberto Rey-de-Castro , Herschel Rabitz

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…

Machine Learning · Computer Science 2020-07-07 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie
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