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Currently, a plethora of saliency models based on deep neural networks have led great breakthroughs in many complex high-level vision tasks (e.g. scene description, object detection). The robustness of these models, however, has not yet…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Zhaohui Che , Ali Borji , Guangtao Zhai , Suiyi Ling , Guodong Guo , Patrick Le Callet

Implicit Neural Representations (INRs) have been recently garnering increasing interest in various research fields, mainly due to their ability to represent large, complex data in a compact, continuous manner. Past work further showed that…

机器学习 · 计算机科学 2026-03-04 Tamir Shor , Ethan Fetaya , Chaim Baskin , Alex Bronstein

Recent advances in machine learning show that neural models are vulnerable to minimally perturbed inputs, or adversarial examples. Adversarial algorithms are optimization problems that minimize the accuracy of ML models by perturbing…

机器学习 · 计算机科学 2022-05-20 Thomas Cilloni , Charles Walter , Charles Fleming

Wasserstein Generative Adversarial Networks (WGANs) can be used to generate realistic samples from complicated image distributions. The Wasserstein metric used in WGANs is based on a notion of distance between individual images, which…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Jonas Adler , Sebastian Lunz

Adversarial attacks against deep neural networks are commonly constructed under $\ell_p$ norm constraints, most often using $p=1$, $p=2$ or $p=\infty$, and potentially regularized for specific demands such as sparsity or smoothness. These…

机器学习 · 计算机科学 2026-02-09 Christof Duhme , Florian Eilers , Xiaoyi Jiang

Throughout the past five years, the susceptibility of neural networks to minimal adversarial perturbations has moved from a peculiar phenomenon to a core issue in Deep Learning. Despite much attention, however, progress towards more robust…

Cyber-physical system (CPS) is the foundational backbone of modern critical infrastructures, so ensuring its security and resilience against cyber-attacks is of pivotal importance. This paper addresses the challenge of designing anomaly…

动力系统 · 数学 2026-01-16 Yulin Feng , Dapeng Lan , Chao Shang

Lack of ground-truth MR images impedes the common supervised training of neural networks for image reconstruction. To cope with this challenge, this paper leverages unpaired adversarial training for reconstruction networks, where the inputs…

图像与视频处理 · 电气工程与系统科学 2021-05-14 Ke Lei , Morteza Mardani , John M. Pauly , Shreyas S. Vasanawala

This work characterizes, analytically and numerically, two major effects of the quadratic Wasserstein ($W_2$) distance as the measure of data discrepancy in computational solutions of inverse problems. First, we show, in the…

数值分析 · 数学 2020-06-24 Bjorn Engquist , Kui Ren , Yunan Yang

Deep Learning based AI systems have shown great promise in various domains such as vision, audio, autonomous systems (vehicles, drones), etc. Recent research on neural networks has shown the susceptibility of deep networks to adversarial…

Inverse problems consist of recovering a signal from a collection of noisy measurements. These are typically cast as optimization problems, with classic approaches using a data fidelity term and an analytic regularizer that stabilizes…

机器学习 · 计算机科学 2021-04-15 Howard Heaton , Samy Wu Fung , Alex Tong Lin , Stanley Osher , Wotao Yin

It is well known that adversarial attacks can fool deep neural networks with imperceptible perturbations. Although adversarial training significantly improves model robustness, failure cases of defense still broadly exist. In this work, we…

机器学习 · 计算机科学 2021-06-10 Boxi Wu , Heng Pan , Li Shen , Jindong Gu , Shuai Zhao , Zhifeng Li , Deng Cai , Xiaofei He , Wei Liu

Deep neural networks have shown their vulnerability to adversarial attacks. In this paper, we focus on sparse adversarial attack based on the $\ell_0$ norm constraint, which can succeed by only modifying a few pixels of an image. Despite a…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Ziwen He , Wei Wang , Jing Dong , Tieniu Tan

The generative adversarial imitation learning (GAIL) has provided an adversarial learning framework for imitating expert policy from demonstrations in high-dimensional continuous tasks. However, almost all GAIL and its extensions only…

机器学习 · 计算机科学 2020-12-09 Ming Zhang , Yawei Wang , Xiaoteng Ma , Li Xia , Jun Yang , Zhiheng Li , Xiu Li

This work uses adversarial perturbations to enhance deepfake images and fool common deepfake detectors. We created adversarial perturbations using the Fast Gradient Sign Method and the Carlini and Wagner L2 norm attack in both blackbox and…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Apurva Gandhi , Shomik Jain

In the study of dynamical and physical systems, the input parameters are often uncertain or randomly distributed according to a measure $\varrho$. The system's response $f$ pushes forward $\varrho$ to a new measure $f\circ \varrho$ which we…

经典分析与常微分方程 · 数学 2019-11-15 Amir Sagiv

We propose Frank--Wolfe (FW) algorithms with an adaptive Bregman step-size strategy for smooth adaptable (also called: relatively smooth) (weakly-) convex functions. This means that the gradient of the objective function is not necessarily…

最优化与控制 · 数学 2026-02-19 Shota Takahashi , Sebastian Pokutta , Akiko Takeda

Deep Neural Networks (DNNs) are notoriously vulnerable to adversarial input designs with limited noise budgets. While numerous successful attacks with subtle modifications to original input have been proposed, defense techniques against…

机器学习 · 计算机科学 2025-06-27 Furkan Mumcu , Yasin Yilmaz

The Wasserstein metric has become increasingly important in many machine learning applications such as generative modeling, image retrieval and domain adaptation. Despite its appeal, it is often too costly to compute. This has motivated…

机器学习 · 计算机科学 2025-06-04 Jonathan Bobrutsky , Amit Moscovich

Deep neural networks are vulnerable to adversarial attacks. White-box adversarial attacks can fool neural networks with small adversarial perturbations, especially for large size images. However, keeping successful adversarial perturbations…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Yongwei Wang , Mingquan Feng , Rabab Ward , Z. Jane Wang , Lanjun Wang