TAET: Two-Stage Adversarial Equalization Training on Long-Tailed Distributions

Fuente: arXiv
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Main Authors: YuHang, Wang, Guo, Junkang, Liu, Aolei, Wang, Kaihao, Wu, Zaitong, Liu, Zhenyu, Yin, Wenfei, Liu, Jian
Format: Preprint
Published: 2025
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author YuHang, Wang
Guo, Junkang
Liu, Aolei
Wang, Kaihao
Wu, Zaitong
Liu, Zhenyu
Yin, Wenfei
Liu, Jian
author_facet YuHang, Wang
Guo, Junkang
Liu, Aolei
Wang, Kaihao
Wu, Zaitong
Liu, Zhenyu
Yin, Wenfei
Liu, Jian
contents Adversarial robustness is a critical challenge in deploying deep neural networks for real-world applications. While adversarial training is a widely recognized defense strategy, most existing studies focus on balanced datasets, overlooking the prevalence of long-tailed distributions in real-world data, which significantly complicates robustness. This paper provides a comprehensive analysis of adversarial training under long-tailed distributions and identifies limitations in the current state-of-the-art method, AT-BSL, in achieving robust performance under such conditions. To address these challenges, we propose a novel training framework, TAET, which integrates an initial stabilization phase followed by a stratified equalization adversarial training phase. Additionally, prior work on long-tailed robustness has largely ignored the crucial evaluation metric of balanced accuracy. To bridge this gap, we introduce the concept of balanced robustness, a comprehensive metric tailored for assessing robustness under long-tailed distributions. Extensive experiments demonstrate that our method surpasses existing advanced defenses, achieving significant improvements in both memory and computational efficiency. This work represents a substantial advancement in addressing robustness challenges in real-world applications. Our code is available at: https://github.com/BuhuiOK/TAET-Two-Stage-Adversarial-Equalization-Training-on-Long-Tailed-Distributions.
format Preprint
id arxiv_https___arxiv_org_abs_2503_01924
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle TAET: Two-Stage Adversarial Equalization Training on Long-Tailed Distributions
YuHang, Wang
Guo, Junkang
Liu, Aolei
Wang, Kaihao
Wu, Zaitong
Liu, Zhenyu
Yin, Wenfei
Liu, Jian
Machine Learning
Artificial Intelligence
Adversarial robustness is a critical challenge in deploying deep neural networks for real-world applications. While adversarial training is a widely recognized defense strategy, most existing studies focus on balanced datasets, overlooking the prevalence of long-tailed distributions in real-world data, which significantly complicates robustness. This paper provides a comprehensive analysis of adversarial training under long-tailed distributions and identifies limitations in the current state-of-the-art method, AT-BSL, in achieving robust performance under such conditions. To address these challenges, we propose a novel training framework, TAET, which integrates an initial stabilization phase followed by a stratified equalization adversarial training phase. Additionally, prior work on long-tailed robustness has largely ignored the crucial evaluation metric of balanced accuracy. To bridge this gap, we introduce the concept of balanced robustness, a comprehensive metric tailored for assessing robustness under long-tailed distributions. Extensive experiments demonstrate that our method surpasses existing advanced defenses, achieving significant improvements in both memory and computational efficiency. This work represents a substantial advancement in addressing robustness challenges in real-world applications. Our code is available at: https://github.com/BuhuiOK/TAET-Two-Stage-Adversarial-Equalization-Training-on-Long-Tailed-Distributions.
title TAET: Two-Stage Adversarial Equalization Training on Long-Tailed Distributions
topic Machine Learning
Artificial Intelligence
url https://arxiv.org/abs/2503.01924