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Machine learning algorithms are effective in several applications, but they are not as much successful when applied to intrusion detection in cyber security. Due to the high sensitivity to their training data, cyber detectors based on…

Cryptography and Security · Computer Science 2021-06-15 Giovanni Apruzzese , Mauro Andreolini , Michele Colajanni , Mirco Marchetti

Recent breakthroughs in defenses against adversarial examples, like adversarial training, make the neural networks robust against various classes of attackers (e.g., first-order gradient-based attacks). However, it is an open question…

Machine Learning · Computer Science 2019-06-07 Shiqi Wang , Yizheng Chen , Ahmed Abdou , Suman Jana

Many physical adversarial patch generation methods are widely proposed to protect personal privacy from malicious monitoring using object detectors. However, they usually fail to generate satisfactory patch images in terms of both…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Shuo-Yen Lin , Ernie Chu , Che-Hsien Lin , Jun-Cheng Chen , Jia-Ching Wang

Neural networks have revolutionized various domains, exhibiting remarkable accuracy in tasks like natural language processing and computer vision. However, their vulnerability to slight alterations in input samples poses challenges,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Shashank Kotyan , Danilo Vasconcellos Vargas

This paper addresses the challenge of generating adversarial image using a diffusion model to deceive multimodal large language models (MLLMs) into generating the targeted responses, while avoiding significant distortion of the clean image.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Chengwei Xia , Fan Ma , Ruijie Quan , Kun Zhan , Yi Yang

Face forgery generation technologies generate vivid faces, which have raised public concerns about security and privacy. Many intelligent systems, such as electronic payment and identity verification, rely on face forgery detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Zhaoyu Chen , Bo Li , Kaixun Jiang , Shuang Wu , Shouhong Ding , Wenqiang Zhang

Emergence of the utility of 3D point cloud data in safety-critical vision tasks (e.g., ADAS) urges researchers to pay more attention to the robustness of 3D representations and deep networks. To this end, we develop an attack and defense…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Jiancheng Yang , Qiang Zhang , Rongyao Fang , Bingbing Ni , Jinxian Liu , Qi Tian

We propose a detector of adversarial samples that is based on the view of neural networks as discrete dynamic systems. The detector tells clean inputs from abnormal ones by comparing the discrete vector fields they follow through the…

Machine Learning · Computer Science 2023-06-09 Skander Karkar , Patrick Gallinari , Alain Rakotomamonjy

In Virtual Reality (VR), adversarial attack remains a significant security threat. Most deep learning-based methods for physical and digital adversarial attacks focus on enhancing attack performance by crafting adversarial examples that…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Qianyu Guo , Jiaming Fu , Yawen Lu , Dongming Gan

There has been a recent surge in research on adversarial perturbations that defeat Deep Neural Networks (DNNs) in machine vision; most of these perturbation-based attacks target object classifiers. Inspired by the observation that humans…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Shasha Li , Shitong Zhu , Sudipta Paul , Amit Roy-Chowdhury , Chengyu Song , Srikanth Krishnamurthy , Ananthram Swami , Kevin S Chan

Due to their powerful image generation capabilities, diffusion-based adversarial example generation methods through image editing are rapidly gaining popularity. However, due to reliance on the discriminative capability of the diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Gaozheng Pei , Ke Ma , Dongpeng Zhang , Chengzhi Sun , Qianqian Xu , Qingming Huang

Gradient-based adversarial attacks on deep neural networks pose a serious threat, since they can be deployed by adding imperceptible perturbations to the test data of any network, and the risk they introduce cannot be assessed through the…

Cryptography and Security · Computer Science 2021-04-06 Rehana Mahfuz , Rajeev Sahay , Aly El Gamal

Existing face forgery detection methods usually treat face forgery detection as a binary classification problem and adopt deep convolution neural networks to learn discriminative features. The ideal discriminative features should be only…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Wanyi Zhuang , Qi Chu , Haojie Yuan , Changtao Miao , Bin Liu , Nenghai Yu

To date, traffic obfuscation techniques have been widely adopted to protect network data privacy and security by obscuring the true patterns of traffic. Nevertheless, as the pre-trained models emerge, especially transformer-based…

Cryptography and Security · Computer Science 2025-12-25 Quanliang Jing , Xinxin Fan , Yanyan Liu , Jingping Bi

Deep Neural Networks are well known to be vulnerable to adversarial attacks and backdoor attacks, where minor modifications on the input are able to mislead the models to give wrong results. Although defenses against adversarial attacks…

Machine Learning · Computer Science 2022-08-01 Kaidi Jin , Tianwei Zhang , Chao Shen , Yufei Chen , Ming Fan , Chenhao Lin , Ting Liu

Gait recognition is widely used in social security applications due to its advantages in long-distance human identification. Recently, sequence-based methods have achieved high accuracy by learning abundant temporal and spatial information.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Ziwen He , Wei Wang , Jing Dong , Tieniu Tan

Adversarial attacks insert small, imperceptible perturbations to input samples that cause large, undesired changes to the output of deep learning models. Despite extensive research on generating adversarial attacks and building defense…

Machine Learning · Computer Science 2023-06-27 Vyas Raina , Mark Gales

Malicious applications of visual manipulation have raised serious threats to the security and reputation of users in many fields. To alleviate these issues, adversarial noise-based defenses have been enthusiastically studied in recent…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Dawei Zhou , Suzhi Gang , Decheng Liu , Tongliang Liu , Nannan Wang , Xinbo Gao

Imperceptible adversarial attacks aim to fool DNNs by adding imperceptible perturbation to the input data. Previous methods typically improve the imperceptibility of attacks by integrating common attack paradigms with specifically designed…

Machine Learning · Computer Science 2025-03-13 Jin Li , Ziqiang He , Anwei Luo , Jian-Fang Hu , Z. Jane Wang , Xiangui Kang

We consider an echo-assisted communication model wherein block-coded messages, when transmitted across several frames, reach the destination as multiple noisy copies. We address adversarial attacks on such models wherein a subset of the…

Information Theory · Computer Science 2019-04-11 Mohit Goyal , J. Harshan