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Black-box attack methods aim to infer suitable attack patterns to targeted DNN models by only using output feedback of the models and the corresponding input queries. However, due to lack of prior and inefficiency in leveraging the query…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Jiawei Du , Hu Zhang , Joey Tianyi Zhou , Yi Yang , Jiashi Feng

Deep neural networks are vulnerable to adversarial attacks, which can fool them by adding minuscule perturbations to the input images. The robustness of existing defenses suffers greatly under white-box attack settings, where an adversary…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Aamir Mustafa , Salman Khan , Munawar Hayat , Roland Goecke , Jianbing Shen , Ling Shao

Transferability, the ability of adversarial examples crafted for one model to deceive other models, is crucial for black-box attacks. Despite advancements in attack methods for semantic segmentation, transferability remains limited,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Eun-Sol Park , MiSo Park , Seung Park , Yong-Goo Shin

Image segmentation is an important problem in many safety-critical applications. Recent studies show that modern image segmentation models are vulnerable to adversarial perturbations, while existing attack methods mainly follow the idea of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Wenjie Qu , Youqi Li , Binghui Wang

Recent advances in the fingerprinting of deep neural networks detect instances of models, placed in a black-box interaction scheme. Inputs used by the fingerprinting protocols are specifically crafted for each precise model to be checked…

Cryptography and Security · Computer Science 2022-08-08 Thibault Maho , Teddy Furon , Erwan Le Merrer

We address the long-standing problem of how to learn effective pixel-based image diffusion models at scale, introducing a remarkably simple greedy growing method for stable training of large-scale, high-resolution models. without the needs…

Despite our best efforts, deep learning models remain highly vulnerable to even tiny adversarial perturbations applied to the inputs. The ability to extract information from solely the output of a machine learning model to craft adversarial…

Machine Learning · Computer Science 2023-03-27 Viet Quoc Vo , Ehsan Abbasnejad , Damith C. Ranasinghe

Although deep learning has made remarkable progress in processing various types of data such as images, text and speech, they are known to be susceptible to adversarial perturbations: perturbations specifically designed and added to the…

Cryptography and Security · Computer Science 2023-01-04 Tianzuo Luo , Yuyi Zhong , Siaucheng Khoo

A polygonal mesh is the most-commonly used representation of surfaces in computer graphics. Therefore, it is not surprising that a number of mesh classification networks have recently been proposed. However, while adversarial attacks are…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Amir Belder , Gal Yefet , Ran Ben Izhak , Ayellet Tal

Adversarial examples pose a threat to deep neural network models in a variety of scenarios, from settings where the adversary has complete knowledge of the model and to the opposite "black box" setting. Black box attacks are particularly…

Machine Learning · Computer Science 2019-05-27 Haidar Khan , Daniel Park , Azer Khan , Bülent Yener

We propose a new adversarial attack to Deep Neural Networks for image classification. Different from most existing attacks that directly perturb input pixels, our attack focuses on perturbing abstract features, more specifically, features…

Machine Learning · Computer Science 2020-12-17 Qiuling Xu , Guanhong Tao , Siyuan Cheng , Xiangyu Zhang

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…

Neural and Evolutionary Computing · Computer Science 2020-08-07 Malhar Jere , Loris Rossi , Briland Hitaj , Gabriela Ciocarlie , Giacomo Boracchi , Farinaz Koushanfar

Although adversarial robustness has been extensively studied in white-box settings, recent advances in black-box attacks (including transfer- and query-based approaches) are primarily benchmarked against weak defenses, leaving a significant…

Machine Learning · Computer Science 2026-02-18 Mohamed Djilani , Salah Ghamizi , Maxime Cordy

Modern image-to-text systems typically adopt the encoder-decoder framework, which comprises two main components: an image encoder, responsible for extracting image features, and a transformer-based decoder, used for generating captions.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Raz Lapid , Moshe Sipper

In recent years, deep reinforcement learning (Deep RL) has been successfully implemented as a smart agent in many systems such as complex games, self-driving cars, and chat-bots. One of the interesting use cases of Deep RL is its…

Machine Learning · Computer Science 2023-09-27 Foozhan Ataiefard , Hadi Hemmati

Deep neural networks are widely known to be vulnerable to adversarial examples. However, vanilla adversarial examples generated under the white-box setting often exhibit low transferability across different models. Since adversarial…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zeliang Zhang , Wei Yao , Xiaosen Wang

In recent years, the adversarial vulnerability of deep neural networks (DNNs) has raised increasing attention. Among all the threat models, no-box attacks are the most practical but extremely challenging since they neither rely on any…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Qilong Zhang , Youheng Sun , Chaoning Zhang , Chaoqun Li , Xuanhan Wang , Jingkuan Song , Lianli Gao

Graph Neural Networks (GNNs) are vital in data science but are increasingly susceptible to adversarial attacks. To help researchers develop more robust GNN models, it's essential to focus on designing strong attack models as foundational…

Machine Learning · Computer Science 2025-05-26 Jianke Yu , Hanchen Wang , Chen Chen , Xiaoyang Wang , Lu Qin , Wenjie Zhang , Ying Zhang , Xijuan Liu

Deep learning models for image classification have become standard tools in recent years. A well known vulnerability of these models is their susceptibility to adversarial examples. These are generated by slightly altering an image of a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Haim Fisher , Moni Shahar , Yehezkel S. Resheff

Deep neural networks (DNNs) have achieved remarkable success in diverse fields. However, it has been demonstrated that DNNs are very vulnerable to adversarial examples even in black-box settings. A large number of black-box attack methods…

Machine Learning · Computer Science 2022-03-29 Junjie Fu , Jian Sun , Gang Wang