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Deep learning-based object detection has become ubiquitous in the last decade due to its high accuracy in many real-world applications. With this growing trend, these models are interested in being attacked by adversaries, with most of the…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Pham Phuc , Son Vuong , Khang Nguyen , Tuan Dang

It has long been thought that high-dimensional data encountered in many practical machine learning tasks have low-dimensional structure, i.e., the manifold hypothesis holds. A natural question, thus, is to estimate the intrinsic dimension…

机器学习 · 统计学 2022-06-01 Adam Block , Zeyu Jia , Yury Polyanskiy , Alexander Rakhlin

The paper proposes a new approach to model risk measurement based on the Wasserstein distance between two probability measures. It formulates the theoretical motivation resulting from the interpretation of fictitious adversary of robust…

数理金融 · 定量金融 2019-03-05 Yu Feng , Erik Schlögl

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,…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Transfer-based adversarial example is one of the most important classes of black-box attacks. However, there is a trade-off between transferability and imperceptibility of the adversarial perturbation. Prior work in this direction often…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Fangcheng Liu , Chao Zhang , Hongyang Zhang

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

Over the last few years, convolutional neural networks (CNNs) have proved to reach super-human performance in visual recognition tasks. However, CNNs can easily be fooled by adversarial examples, i.e., maliciously-crafted images that force…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Federico Nesti , Alessandro Biondi , Giorgio Buttazzo

Conventional adversarial defenses reduce classification accuracy whether or not a model is under attacks. Moreover, most of image processing based defenses are defeated due to the problem of obfuscated gradients. In this paper, we propose a…

机器学习 · 计算机科学 2020-05-19 MaungMaung AprilPyone , Hitoshi Kiya

Thanks to recent advances in deep neural networks (DNNs), face recognition systems have become highly accurate in classifying a large number of face images. However, recent studies have found that DNNs could be vulnerable to adversarial…

机器学习 · 计算机科学 2020-01-29 Kazuya Kakizaki , Kosuke Yoshida

Studied here are Wasserstein generative adversarial networks (WGANs) with GroupSort neural networks as their discriminators. It is shown that the error bound of the approximation for the target distribution depends on the width and depth…

机器学习 · 计算机科学 2023-07-03 Yihang Gao , Michael K. Ng , Mingjie Zhou

Almost all adversarial attacks are formulated to add an imperceptible perturbation to an image in order to fool a model. Here, we consider the opposite which is adversarial examples that can fool a human but not a model. A large enough and…

计算机视觉与模式识别 · 计算机科学 2022-08-26 Ali Borji

We propose a new equilibrium enforcing method paired with a loss derived from the Wasserstein distance for training auto-encoder based Generative Adversarial Networks. This method balances the generator and discriminator during training.…

机器学习 · 计算机科学 2017-06-02 David Berthelot , Thomas Schumm , Luke Metz

Generative modeling over natural images is one of the most fundamental machine learning problems. However, few modern generative models, including Wasserstein Generative Adversarial Nets (WGANs), are studied on manifold-valued images that…

计算机视觉与模式识别 · 计算机科学 2019-01-04 Zhiwu Huang , Jiqing Wu , Luc Van Gool

Neural networks have been proven to be vulnerable to a variety of adversarial attacks. From a safety perspective, highly sparse adversarial attacks are particularly dangerous. On the other hand the pixelwise perturbations of sparse attacks…

机器学习 · 计算机科学 2019-09-12 Francesco Croce , Matthias Hein

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

Adversarial examples are a pervasive phenomenon of machine learning models where seemingly imperceptible perturbations to the input lead to misclassifications for otherwise statistically accurate models. We propose a geometric framework,…

机器学习 · 计算机科学 2018-12-13 Marc Khoury , Dylan Hadfield-Menell

This paper introduces Wasserstein variational inference, a new form of approximate Bayesian inference based on optimal transport theory. Wasserstein variational inference uses a new family of divergences that includes both f-divergences and…

Constructing adversarial examples in a black-box threat model injures the original images by introducing visual distortion. In this paper, we propose a novel black-box attack approach that can directly minimize the induced distortion by…

机器学习 · 计算机科学 2021-07-28 Nannan Li , Zhenzhong Chen

In this paper, we present an adversarial unsupervised domain adaptation framework for object detection. Prior approaches utilize adversarial training based on cross entropy between the source and target domain distributions to learn a…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Pengcheng Xu , Prudhvi Gurram , Gene Whipps , Rama Chellappa

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