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相关论文: Certifying Confidence via Randomized Smoothing

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We propose Adaptive Randomized Smoothing (ARS) to certify the predictions of our test-time adaptive models against adversarial examples. ARS extends the analysis of randomized smoothing using $f$-Differential Privacy to certify the adaptive…

机器学习 · 计算机科学 2025-07-11 Saiyue Lyu , Shadab Shaikh , Frederick Shpilevskiy , Evan Shelhamer , Mathias Lécuyer

Randomized smoothing is considered to be the state-of-the-art provable defense against adversarial perturbations. However, it heavily exploits the fact that classifiers map input objects to class probabilities and do not focus on the ones…

机器学习 · 计算机科学 2023-06-06 Mikhail Pautov , Olesya Kuznetsova , Nurislam Tursynbek , Aleksandr Petiushko , Ivan Oseledets

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

Many selection processes such as finding patients qualifying for a medical trial or retrieval pipelines in search engines consist of multiple stages, where an initial screening stage focuses the resources on shortlisting the most promising…

机器学习 · 计算机科学 2022-06-14 Lequn Wang , Thorsten Joachims , Manuel Gomez Rodriguez

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where an attacker manipulates a small portion of the training data to implant hidden backdoors into the model. The compromised model behaves normally on clean samples but…

密码学与安全 · 计算机科学 2026-02-20 Ting Qiao , Yingjia Wang , Xing Liu , Sixing Wu , Jianbin Li , Yiming Li

Overconfidence has been shown to impair generalization and calibration of a neural network. Previous studies remedy this issue by adding a regularization term to a loss function, preventing a model from making a peaked distribution. Label…

机器学习 · 计算机科学 2022-10-26 Dongkyu Lee , Ka Chun Cheung , Nevin L. Zhang

Randomized smoothing (RS) is an effective and scalable technique for constructing neural network classifiers that are certifiably robust to adversarial perturbations. Most RS works focus on training a good base model that boosts the…

机器学习 · 计算机科学 2021-09-20 Chen Chen , Kezhi Kong , Peihong Yu , Juan Luque , Tom Goldstein , Furong Huang

Recent studies have identified a critical challenge in deep neural networks (DNNs) known as ``robust fairness", where models exhibit significant disparities in robust accuracy across different classes. While prior work has attempted to…

机器学习 · 计算机科学 2025-03-24 Gaojie Jin , Tianjin Huang , Ronghui Mu , Xiaowei Huang

Deep metric learning has gained promising improvement in recent years following the success of deep learning. It has been successfully applied to problems in few-shot learning, image retrieval, and open-set classifications. However,…

机器学习 · 计算机科学 2020-06-11 Maryna Karpusha , Sunghee Yun , Istvan Fehervari

Randomized smoothing has achieved state-of-the-art certified robustness against $l_2$-norm adversarial attacks. However, it is not wholly resolved on how to find the optimal base classifier for randomized smoothing. In this work, we employ…

机器学习 · 计算机科学 2021-02-24 Chizhou Liu , Yunzhen Feng , Ranran Wang , Bin Dong

In medical imaging, segmentation models have known a significant improvement in the past decade and are now used daily in clinical practice. However, similar to classification models, segmentation models are affected by adversarial attacks.…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Othmane Laousy , Alexandre Araujo , Guillaume Chassagnon , Nikos Paragios , Marie-Pierre Revel , Maria Vakalopoulou

Deep learning-based visual perception models lack robustness when faced with camera motion perturbations in practice. The current certification process for assessing robustness is costly and time-consuming due to the extensive number of…

机器学习 · 计算机科学 2024-03-05 Hanjiang Hu , Zuxin Liu , Linyi Li , Jiacheng Zhu , Ding Zhao

Methods to certify the robustness of neural networks in the presence of input uncertainty are vital in safety-critical settings. Most certification methods in the literature are designed for adversarial or worst-case inputs, but researchers…

机器学习 · 计算机科学 2023-01-26 Brendon G. Anderson , Somayeh Sojoudi

Random forest regression is a powerful non-parametric method that adapts to local data characteristics through data-driven partitioning, making it effective across diverse application domains. However, the piecewise constant nature of…

机器学习 · 计算机科学 2026-05-19 Ziyi Liu , Phuc Luong , Mario Boley , Daniel F. Schmidt

Randomized smoothing, using just a simple isotropic Gaussian distribution, has been shown to produce good robustness guarantees against $\ell_2$-norm bounded adversaries. In this work, we show that extending the smoothing technique to…

机器学习 · 计算机科学 2020-08-17 Aounon Kumar , Alexander Levine , Tom Goldstein , Soheil Feizi

Machine learning applications often require calibrated predictions, e.g. a 90\% credible interval should contain the true outcome 90\% of the times. However, typical definitions of calibration only require this to hold on average, and offer…

机器学习 · 统计学 2020-09-10 Shengjia Zhao , Tengyu Ma , Stefano Ermon

Certified defense using randomized smoothing is a popular technique to provide robustness guarantees for deep neural networks against l2 adversarial attacks. Existing works use this technique to provably secure a pretrained non-robust model…

机器学习 · 计算机科学 2022-10-18 Gaurav Kumar Nayak , Ruchit Rawal , Anirban Chakraborty

Diffusion models have been leveraged to perform adversarial purification and thus provide both empirical and certified robustness for a standard model. On the other hand, different robustly trained smoothed models have been studied to…

机器学习 · 计算机科学 2023-08-29 Jiawei Zhang , Zhongzhu Chen , Huan Zhang , Chaowei Xiao , Bo Li

Reinforcement Learning (RL) has achieved remarkable success in safety-critical areas, but it can be weakened by adversarial attacks. Recent studies have introduced "smoothed policies" in order to enhance its robustness. Yet, it is still…

机器学习 · 计算机科学 2023-12-13 Ronghui Mu , Leandro Soriano Marcolino , Tianle Zhang , Yanghao Zhang , Xiaowei Huang , Wenjie Ruan

With the growing integration of AI in daily life, ensuring the robustness of systems to inference-time attacks is crucial. Among the approaches for certifying robustness to such adversarial examples, randomized smoothing has emerged as…

计算与语言 · 计算机科学 2024-08-02 Zhuoqun Huang , Neil G Marchant , Olga Ohrimenko , Benjamin I. P. Rubinstein