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Recently, few certified defense methods have been developed to provably guarantee the robustness of a text classifier to adversarial synonym substitutions. However, all existing certified defense methods assume that the defenders are…

计算与语言 · 计算机科学 2021-07-27 Jiehang Zeng , Xiaoqing Zheng , Jianhan Xu , Linyang Li , Liping Yuan , Xuanjing Huang

Randomized smoothing is a recent and celebrated solution to certify the robustness of any classifier. While it indeed provides a theoretical robustness against adversarial attacks, the dimensionality of current classifiers necessarily…

密码学与安全 · 计算机科学 2022-05-02 Thibault Maho , Teddy Furon , Erwan Le Merrer

Certifiably robust defenses against adversarial patches for image classifiers ensure correct prediction against any changes to a constrained neighborhood of pixels. PatchCleanser arXiv:2108.09135 [cs.CV], the state-of-the-art certified…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Aniruddha Saha , Shuhua Yu , Arash Norouzzadeh , Wan-Yi Lin , Chaithanya Kumar Mummadi

To deflect adversarial attacks, a range of "certified" classifiers have been proposed. In addition to labeling an image, certified classifiers produce (when possible) a certificate guaranteeing that the input image is not an…

机器学习 · 计算机科学 2020-03-20 Amin Ghiasi , Ali Shafahi , Tom Goldstein

While neural networks have achieved high accuracy on standard image classification benchmarks, their accuracy drops to nearly zero in the presence of small adversarial perturbations to test inputs. Defenses based on regularization and…

机器学习 · 计算机科学 2020-11-03 Aditi Raghunathan , Jacob Steinhardt , Percy Liang

Developing reliable defenses against patch attacks on object detectors has attracted increasing interest. However, we identify that existing defense evaluations lack a unified and comprehensive framework, resulting in inconsistent and…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Junhao Zheng , Jiahao Sun , Chenhao Lin , Zhengyu Zhao , Chen Ma , Chong Zhang , Cong Wang , Qian Wang , Chao Shen

Predictions of certifiably robust classifiers remain constant in a neighborhood of a point, making them resilient to test-time attacks with a guarantee. In this work, we present a previously unrecognized threat to robust machine learning…

机器学习 · 计算机科学 2021-03-31 Akshay Mehra , Bhavya Kailkhura , Pin-Yu Chen , Jihun Hamm

The study of provable adversarial robustness has mostly been limited to classification tasks and models with one-dimensional real-valued outputs. We extend the scope of certifiable robustness to problems with more general and structured…

机器学习 · 计算机科学 2022-01-13 Aounon Kumar , Tom Goldstein

Randomized smoothing has achieved great success for certified robustness against adversarial perturbations. Given any arbitrary classifier, randomized smoothing can guarantee the classifier's prediction over the perturbed input with…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Hanbin Hong , Yuan Hong

Randomized smoothing is a general technique for computing sample-dependent robustness guarantees against adversarial attacks for deep classifiers. Prior works on randomized smoothing against L_1 adversarial attacks use additive smoothing…

机器学习 · 计算机科学 2021-06-14 Alexander Levine , Soheil Feizi

Randomized Smoothing (RS), being one of few provable defenses, has been showing great effectiveness and scalability in terms of defending against $\ell_2$-norm adversarial perturbations. However, the cost of MC sampling needed in RS for…

机器学习 · 计算机科学 2021-08-03 Huimin Zeng , Jiahao Su , Furong Huang

Randomized smoothing (RS) has been shown to be a fast, scalable technique for certifying the robustness of deep neural network classifiers. However, methods based on RS require augmenting data with large amounts of noise, which leads to…

机器学习 · 计算机科学 2022-05-13 Ameya Joshi , Minh Pham , Minsu Cho , Leonid Boytsov , Filipe Condessa , J. Zico Kolter , Chinmay Hegde

Recently smoothing deep neural network based classifiers via isotropic Gaussian perturbation is shown to be an effective and scalable way to provide state-of-the-art probabilistic robustness guarantee against $\ell_2$ norm bounded…

机器学习 · 统计学 2020-02-19 Huijie Feng , Chunpeng Wu , Guoyang Chen , Weifeng Zhang , Yang Ning

Patch robustness certification is an emerging kind of provable defense technique against adversarial patch attacks for deep learning systems. Certified detection ensures the detection of all patched harmful versions of certified samples,…

软件工程 · 计算机科学 2025-12-09 Qilin Zhou , Zhengyuan Wei , Haipeng Wang , Zhuo Wang , W. K. Chan

As vision-based machine learning models are increasingly integrated into autonomous and cyber-physical systems, concerns about (physical) adversarial patch attacks are growing. While state-of-the-art defenses can achieve certified…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Hossein Khalili , Seongbin Park , Venkat Bollapragada , Nader Sehatbakhsh

Randomized smoothing is the current state-of-the-art method for producing provably robust classifiers. While randomized smoothing typically yields robust $\ell_2$-ball certificates, recent research has generalized provable robustness to…

机器学习 · 计算机科学 2023-09-26 Samuel Pfrommer , Brendon G. Anderson , Somayeh Sojoudi

As ML models are increasingly deployed in critical applications, robustness against adversarial perturbations is crucial. While numerous defenses have been proposed to counter such attacks, they typically assume that all adversarial…

机器学习 · 计算机科学 2025-06-11 Yuan Xin , Dingfan Chen , Michael Backes , Xiao Zhang

We present a method for provably defending any pretrained image classifier against $\ell_p$ adversarial attacks. This method, for instance, allows public vision API providers and users to seamlessly convert pretrained non-robust…

机器学习 · 计算机科学 2020-09-22 Hadi Salman , Mingjie Sun , Greg Yang , Ashish Kapoor , J. Zico Kolter

Adversarial patch attacks pose a significant threat to the practical deployment of deep learning systems. However, existing research primarily focuses on image pre-processing defenses, which often result in reduced classification accuracy…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Nandish Chattopadhyay , Amira Guesmi , Muhammad Shafique

Randomized smoothing is the primary certified robustness method for accessing the robustness of deep learning models to adversarial perturbations in the l2-norm, by adding isotropic Gaussian noise to the input image and returning the…

机器学习 · 计算机科学 2024-04-09 Chengyan Fu , Wenjie Wang