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The recent statistical theory of neural networks focuses on nonparametric denoising problems that treat randomness as additive noise. Variability in image classification datasets does, however, not originate from additive noise but from…

统计理论 · 数学 2025-08-19 Juntong Chen , Sophie Langer , Johannes Schmidt-Hieber

We propose an approach to distinguish between correct and incorrect image classifications. Our approach can detect misclassifications which either occur $\it{unintentionally}$ ("natural errors"), or due to…

机器学习 · 计算机科学 2019-02-04 Yuval Bahat , Michal Irani , Gregory Shakhnarovich

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

This paper strives to address image classifier bias, with a focus on both feature and label embedding spaces. Previous works have shown that spurious correlations from protected attributes, such as age, gender, or skin tone, can cause…

计算机视觉与模式识别 · 计算机科学 2021-10-28 William Thong , Cees G. M. Snoek

The existence of adversarial attacks on convolutional neural networks (CNN) questions the fitness of such models for serious applications. The attacks manipulate an input image such that misclassification is evoked while still looking…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Mohammadreza Amirian , Friedhelm Schwenker , Thilo Stadelmann

Single-pixel imaging, originally developed in light optics, facilitates fast three-dimensional sample reconstruction, as well as probing with light wavelengths undetectable by conventional multi-pixel detectors. However, the spatial…

Typical deep neural network (DNN) backdoor attacks are based on triggers embedded in inputs. Existing imperceptible triggers are computationally expensive or low in attack success. In this paper, we propose a new backdoor trigger, which is…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Yulong Wang , Minghui Zhao , Shenghong Li , Xin Yuan , Wei Ni

Recently, deep networks have achieved impressive semantic segmentation performance, in particular thanks to their use of larger contextual information. In this paper, we show that the resulting networks are sensitive not only to global…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Krishna Kanth Nakka , Mathieu Salzmann

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…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Wenjie Qu , Youqi Li , Binghui Wang

We propose a novel approach towards adversarial attacks on neural networks (NN), focusing on tampering the data used for training instead of generating attacks on trained models. Our network-agnostic method creates a backdoor during…

Note that this paper is superceded by "Black-Box Adversarial Attacks with Limited Queries and Information." Current neural network-based image classifiers are susceptible to adversarial examples, even in the black-box setting, where the…

计算机视觉与模式识别 · 计算机科学 2018-04-09 Andrew Ilyas , Logan Engstrom , Anish Athalye , Jessy Lin

The attacks on the neural-network-based classifiers using adversarial images have gained a lot of attention recently. An adversary can purposely generate an image that is indistinguishable from a innocent image for a human being but is…

密码学与安全 · 计算机科学 2019-07-02 Nir Morgulis , Alexander Kreines , Shachar Mendelowitz , Yuval Weisglass

When a small number of poisoned samples are injected into the training dataset of a deep neural network, the network can be induced to exhibit malicious behavior during inferences, which poses potential threats to real-world applications.…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Haoheng Lan , Jindong Gu , Philip Torr , Hengshuang Zhao

The colorization of grayscale images is an ill-posed problem, with multiple correct solutions. In this paper, we propose an adversarial learning colorization approach coupled with semantic information. A generative network is used to infer…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Patricia Vitoria , Lara Raad , Coloma Ballester

Deep Neural Networks have been shown to be vulnerable to adversarial images. Conventional attacks strive for indistinguishable adversarial images with strictly restricted perturbations. Recently, researchers have moved to explore…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Zhengyu Zhao , Zhuoran Liu , Martha Larson

Segment Anything Models (SAM) have made significant advancements in image segmentation, allowing users to segment target portions of an image with a single click (i.e., user prompt). Given its broad applications, the robustness of SAM…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Yifan Shen , Zhengyuan Li , Gang Wang

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

As real-world images come in varying sizes, the machine learning model is part of a larger system that includes an upstream image scaling algorithm. In this paper, we investigate the interplay between vulnerabilities of the image scaling…

机器学习 · 计算机科学 2022-06-22 Yue Gao , Ilia Shumailov , Kassem Fawaz

Many real-world applications of image recognition require multi-label learning, whose goal is to find all labels in an image. Thus, robustness of such systems to adversarial image perturbations is extremely important. However, despite a…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Hassan Mahmood , Ehsan Elhamifar

Particle competition and cooperation (PCC) is a graph-based semi-supervised learning approach. When PCC is applied to interactive image segmentation tasks, pixels are converted into network nodes, and each node is connected to its k-nearest…

计算机视觉与模式识别 · 计算机科学 2020-02-17 Fabricio Breve