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Adversarial images are samples that are intentionally modified to deceive machine learning systems. They are widely used in applications such as CAPTHAs to help distinguish legitimate human users from bots. However, the noise introduced…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Bilgin Aksoy , Alptekin Temizel

In recent years, self-supervised learning (SSL) has emerged as a promising approach for extracting valuable representations from unlabeled data. One successful SSL method is contrastive learning, which aims to bring positive examples closer…

机器学习 · 计算机科学 2023-07-20 Zeen Song , Xingzhe Su , Jingyao Wang , Wenwen Qiang , Changwen Zheng , Fuchun Sun

A plethora of recent work has shown that convolutional networks are not robust to adversarial images: images that are created by perturbing a sample from the data distribution as to maximize the loss on the perturbed example. In this work,…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Abhimanyu Dubey , Laurens van der Maaten , Zeki Yalniz , Yixuan Li , Dhruv Mahajan

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…

机器学习 · 计算机科学 2019-09-12 Eitan Rothberg , Tingting Chen , Luo Jie , Hao Ji

Recent studies have demonstrated that machine learning approaches like deep neural networks (DNNs) are easily fooled by adversarial attacks. Subtle and imperceptible perturbations of the data are able to change the result of deep neural…

机器学习 · 计算机科学 2020-02-25 Negin Entezari , Evangelos E. Papalexakis

Recent studies on adversarial images have shown that they tend to leave the underlying low-dimensional data manifold, making them significantly more challenging for current models to make correct predictions. This so-called off-manifold…

计算与语言 · 计算机科学 2022-11-08 Dang Minh Nguyen , Luu Anh Tuan

The vulnerability of deep neural networks to adversarial attacks has been widely demonstrated (e.g., adversarial example attacks). Traditional attacks perform unstructured pixel-wise perturbation to fool the classifier. An alternative…

机器学习 · 计算机科学 2022-05-23 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen

The integration of visual and textual data in Vision-Language Pre-training (VLP) models is crucial for enhancing vision-language understanding. However, the adversarial robustness of these models, especially in the alignment of image-text…

多媒体 · 计算机科学 2025-06-03 Youze Wang , Wenbo Hu , Yinpeng Dong , Hanwang Zhang , Hang Su , Richang Hong

We introduce a feature scattering-based adversarial training approach for improving model robustness against adversarial attacks. Conventional adversarial training approaches leverage a supervised scheme (either targeted or non-targeted) in…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Haichao Zhang , Jianyu Wang

The generation of feasible adversarial examples is necessary for properly assessing models that work in constrained feature space. However, it remains a challenging task to enforce constraints into attacks that were designed for computer…

人工智能 · 计算机科学 2022-05-04 Thibault Simonetto , Salijona Dyrmishi , Salah Ghamizi , Maxime Cordy , Yves Le Traon

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Deep Neural Networks (DNNs) are highly sensitive to imperceptible malicious perturbations, known as adversarial attacks. Following the discovery of this vulnerability in real-world imaging and vision applications, the associated safety…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Tsachi Blau , Roy Ganz , Bahjat Kawar , Alex Bronstein , Michael Elad

In sparse coding, we attempt to extract features of input vectors, assuming that the data is inherently structured as a sparse superposition of basic building blocks. Similarly, neural networks perform a given task by learning features of…

机器学习 · 计算机科学 2022-02-16 Deborah Pereg , Israel Cohen , Anthony A. Vassiliou

The field of computer vision has witnessed phenomenal progress in recent years partially due to the development of deep convolutional neural networks. However, deep learning models are notoriously sensitive to adversarial examples which are…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Haofeng Li , Yirui Zeng , Guanbin Li , Liang Lin , Yizhou Yu

In the rapidly evolving field of artificial intelligence, machine learning emerges as a key technology characterized by its vast potential and inherent risks. The stability and reliability of these models are important, as they are frequent…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Haibo Zhang , Zhihua Yao , Kouichi Sakurai , Takeshi Saitoh

Adversarial perturbations of normal images are usually imperceptible to humans, but they can seriously confuse state-of-the-art machine learning models. What makes them so special in the eyes of image classifiers? In this paper, we show…

机器学习 · 计算机科学 2018-05-22 Yang Song , Taesup Kim , Sebastian Nowozin , Stefano Ermon , Nate Kushman

Deep learning models, while achieving state-of-the-art performance on many tasks, are susceptible to adversarial attacks that exploit inherent vulnerabilities in their architectures. Adversarial attacks manipulate the input data with…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Shreyasi Mandal

This paper investigates a family of methods for defending against adversarial attacks that owe part of their success to creating a noisy, discontinuous, or otherwise rugged loss landscape that adversaries find difficult to navigate. A…

机器学习 · 计算机科学 2022-08-08 Panagiotis Eustratiadis , Henry Gouk , Da Li , Timothy Hospedales

We introduce a novel approach to counter adversarial attacks, namely, image resampling. Image resampling transforms a discrete image into a new one, simulating the process of scene recapturing or rerendering as specified by a geometrical…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yue Cao , Tianlin Li , Xiaofeng Cao , Ivor Tsang , Yang Liu , Qing Guo

Adversarial attacks are a central tool for probing the robustness of modern vision models, yet most methods optimize perturbations directly in pixel space under $\ell_\infty$ or $\ell_2$ constraints. While effective in white-box settings,…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Eitan Shaar , Ariel Shaulov , Yalcin Tur , Gal Chechik , Ravid Shwartz-Ziv