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Learning adversarial examples can be formulated as an optimization problem of maximizing the loss function with some box-constraints. However, for solving this induced optimization problem, the state-of-the-art gradient-based methods such…

机器学习 · 计算机科学 2023-02-03 Wei Tao , Lei Bao , Sheng Long , Gaowei Wu , Qing Tao

Adversarial attacks constitute a notable threat to machine learning systems, given their potential to induce erroneous predictions and classifications. However, within real-world contexts, the essential specifics of the deployed model are…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Jingwen Ye , Ruonan Yu , Songhua Liu , Xinchao Wang

Transfer-based adversarial attacks can evaluate model robustness in the black-box setting. Several methods have demonstrated impressive untargeted transferability, however, it is still challenging to efficiently produce targeted…

机器学习 · 计算机科学 2022-07-25 Xiao Yang , Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu

Neural retrieval models have acquired significant effectiveness gains over the last few years compared to term-based methods. Nevertheless, those models may be brittle when faced to typos, distribution shifts or vulnerable to malicious…

信息检索 · 计算机科学 2023-01-26 Simon Lupart , Stéphane Clinchant

Adversarial prompts generated using gradient-based methods exhibit outstanding performance in performing automatic jailbreak attacks against safety-aligned LLMs. Nevertheless, due to the discrete nature of texts, the input gradient of LLMs…

密码学与安全 · 计算机科学 2024-11-04 Qizhang Li , Yiwen Guo , Wangmeng Zuo , Hao Chen

Malware detection models based on deep learning have been widely used, but recent research shows that deep learning models are vulnerable to adversarial attacks. Adversarial attacks are to deceive the deep learning model by generating…

密码学与安全 · 计算机科学 2023-05-23 Kun Li , Fan Zhang , Wei Guo

The vulnerability of deep neural networks to adversarial examples has drawn tremendous attention from the community. Three approaches, optimizing standard objective functions, exploiting attention maps, and smoothing decision surfaces, are…

机器学习 · 计算机科学 2022-05-27 Yi Huang , Adams Wai-Kin Kong

The vulnerability of Deep Neural Networks (DNNs) to adversarial examples has been confirmed. Existing adversarial defenses primarily aim at preventing adversarial examples from attacking DNNs successfully, rather than preventing their…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Jinwei Wang , Hao Wu , Haihua Wang , Jiawei Zhang , Xiangyang Luo , Bin Ma

Historically, steganographic schemes were designed in a way to preserve image statistics or steganalytic features. Since most of the state-of-the-art steganalytic methods employ a machine learning (ML) based classifier, it is reasonable to…

多媒体 · 计算机科学 2019-06-04 Weixuan Tang , Bin Li , Shunquan Tan , Mauro Barni , Jiwu Huang

Research on adversarial examples in computer vision tasks has shown that small, often imperceptible changes to an image can induce misclassification, which has security implications for a wide range of image processing systems. Considering…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Jérôme Rony , Luiz G. Hafemann , Luiz S. Oliveira , Ismail Ben Ayed , Robert Sabourin , Eric Granger

Adversarial examples are of wide concern due to their impact on the reliability of contemporary machine learning systems. Effective adversarial examples are mostly found via white-box attacks. However, in some cases they can be transferred…

机器学习 · 计算机科学 2019-07-16 Deyan Petrov , Timothy M. Hospedales

The emergence of deep learning models has revolutionized various industries over the last decade, leading to a surge in connected devices and infrastructures. However, these models can be tricked into making incorrect predictions with high…

机器学习 · 计算机科学 2025-09-03 Pooja Krishan , Rohan Mohapatra , Sanchari Das , Saptarshi Sengupta

Despite the wide use of machine learning in adversarial settings including computer security, recent studies have demonstrated vulnerabilities to evasion attacks---carefully crafted adversarial samples that closely resemble legitimate…

密码学与安全 · 计算机科学 2017-05-26 Yi Han , Benjamin I. P. Rubinstein

Staircase codes (SCCs) are typically decoded using iterative bounded-distance decoding (BDD) and hard decisions. In this paper, a novel decoding algorithm is proposed, which partially uses soft information from the channel. The proposed…

信号处理 · 电气工程与系统科学 2020-06-05 Yi Lei , Alex Alvarado , Bin Chen , Xiong Deng , Zizheng Cao , Jianqiang Li , Kun Xu

Efficient adversarial attack methods are critical for assessing the robustness of computer vision models. In this paper, we reconstruct the optimization objective for generating adversarial examples as "maximizing the difference between the…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Xinlei Liu , Tao Hu , Peng Yi , Weitao Han , Jichao Xie , Baolin Li

Recently, backpropagation through time inspired learning algorithms are widely introduced into SNNs to improve the performance, which brings the possibility to attack the models accurately given Spatio-temporal gradient maps. We propose two…

神经与进化计算 · 计算机科学 2020-10-02 Ling Liang , Xing Hu , Lei Deng , Yujie Wu , Guoqi Li , Yufei Ding , Peng Li , Yuan Xie

In the transfer-based adversarial attacks, adversarial examples are only generated by the surrogate models and achieve effective perturbation in the victim models. Although considerable efforts have been developed on improving the…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Xiangyuan Yang , Jie Lin , Hanlin Zhang , Xinyu Yang , Peng Zhao

Adversarial training (AT) has been demonstrated to be effective in improving model robustness by leveraging adversarial examples for training. However, most AT methods are in face of expensive time and computational cost for calculating…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Xiaojun Jia , Yong Zhang , Baoyuan Wu , Jue Wang , Xiaochun Cao

Deep neural networks are vulnerable to adversarial examples, which poses security concerns on these algorithms due to the potentially severe consequences. Adversarial attacks serve as an important surrogate to evaluate the robustness of…

机器学习 · 计算机科学 2018-03-23 Yinpeng Dong , Fangzhou Liao , Tianyu Pang , Hang Su , Jun Zhu , Xiaolin Hu , Jianguo Li

Adversarial attacks, particularly the Fast Gradient Sign Method (FGSM) and Projected Gradient Descent (PGD) pose significant threats to the robustness of deep learning models in image classification. This paper explores and refines defense…

密码学与安全 · 计算机科学 2025-05-15 Hetvi Waghela , Jaydip Sen , Sneha Rakshit