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Adversarial attacks meticulously generate minuscule, imperceptible perturbations to images to deceive neural networks. Counteracting these, adversarial purification methods seek to transform adversarial input samples into clean output…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Sitong Liu , Zhichao Lian , Shuangquan Zhang , Liang Xiao

Deep neural networks (DNNs) have been demonstrated to be vulnerable to adversarial examples. Specifically, adding imperceptible perturbations to clean images can fool the well trained deep neural networks. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Xiaojun Jia , Xingxing Wei , Xiaochun Cao , Hassan Foroosh

Deepfakes pose significant security and privacy threats through malicious facial manipulations. While robust watermarking can aid in authenticity verification and source tracking, existing methods often lack the sufficient robustness…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Chen Sun , Haiyang Sun , Zhiqing Guo , Yunfeng Diao , Liejun Wang , Dan Ma , Gaobo Yang , Keqin Li

Multimodal Large Language Models (MLLMs) have achieved remarkable success in tasks such as image captioning, visual question answering, and cross-modal reasoning by integrating visual and textual modalities. However, their multimodal nature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Fengling Zhu , Boshi Liu , Jingyu Hua , Sheng Zhong

This paper presents a novel reconstruction method that leverages Diffusion Models to protect machine learning classifiers against adversarial attacks, all without requiring any modifications to the classifiers themselves. The susceptibility…

Machine Learning · Computer Science 2023-09-08 Hondamunige Prasanna Silva , Lorenzo Seidenari , Alberto Del Bimbo

Deep neural networks (DNNs) have been shown to be vulnerable to adversarial attacks -- subtle, perceptually indistinguishable perturbations of inputs that change the response of the model. In the context of vision, we hypothesize that an…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Muhammad A. Shah , Bhiksha Raj

In the ever-evolving adversarial machine learning landscape, developing effective defenses against patch attacks has become a critical challenge, necessitating reliable solutions to safeguard real-world AI systems. Although diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Jia Fu , Xiao Zhang , Sepideh Pashami , Fatemeh Rahimian , Anders Holst

Diffusion models have gained significant attention for high-fidelity image generation. Our work investigates the potential of exploiting diffusion models for adversarial robustness in image classification and object detection. Adversarial…

Image and Video Processing · Electrical Eng. & Systems 2025-11-05 Mika Yagoda , Shady Abu-Hussein , Raja Giryes

Despite the efficacy on a variety of computer vision tasks, deep neural networks (DNNs) are vulnerable to adversarial attacks, limiting their applications in security-critical systems. Recent works have shown the possibility of generating…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Ziang Yan , Yiwen Guo , Changshui Zhang

Neural networks are known to be susceptible to adversarial samples: small variations of natural examples crafted to deliberately mislead the models. While they can be easily generated using gradient-based techniques in digital and physical…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Haotian Xue , Alexandre Araujo , Bin Hu , Yongxin Chen

Graph Neural Networks (GNNs) are highly vulnerable to adversarial attacks, which can greatly degrade their performance. Existing graph purification methods attempt to address this issue by filtering attacked graphs. However, they struggle…

Machine Learning · Computer Science 2026-04-13 Xin He , Wenqi Fan , Yili Wang , Chengyi Liu , Rui Miao , Xin Juan , Xin Wang

Deep learning constitutes a pivotal component within the realm of machine learning, offering remarkable capabilities in tasks ranging from image recognition to natural language processing. However, this very strength also renders deep…

Machine Learning · Computer Science 2023-09-12 Saminder Dhesi , Laura Fontes , Pedro Machado , Isibor Kennedy Ihianle , Farhad Fassihi Tash , David Ada Adama

Deep Neural Networks (DNNs) are vulnerable to adversarial examples generated by imposing subtle perturbations to inputs that lead a model to predict incorrect outputs. Currently, a large number of researches on defending adversarial…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Hua Wang , Jie Wang , Zhaoxia Yin

Adversarial examples contain carefully crafted perturbations that can fool deep neural networks (DNNs) into making wrong predictions. Enhancing the adversarial robustness of DNNs has gained considerable interest in recent years. Although…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Shao-Yuan Lo , Vishal M. Patel

Diffusion models have achieved outstanding image generation by reversing a forward noising process to approximate true data distributions. During training, these models predict diffusion scores from noised versions of true samples in a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Dazhong Shen , Guanglu Song , Yi Zhang , Bingqi Ma , Lujundong Li , Dongzhi Jiang , Zhuofan Zong , Yu Liu

Spiking Neural Networks (SNNs) aim to bridge the gap between neuroscience and machine learning by emulating the structure of the human nervous system. However, like convolutional neural networks, SNNs are vulnerable to adversarial attacks.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Weiran Chen , Qi Xu

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

In recent years, diffusion models (DMs) have drawn significant attention for their success in approximating data distributions, yielding state-of-the-art generative results. Nevertheless, the versatility of these models extends beyond their…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Peter Lorenz , Ricard Durall , Janis Keuper

Recently, text-to-image generative models have been misused to create unauthorized malicious images of individuals, posing a growing social problem. Previous solutions, such as Anti-DreamBooth, add adversarial noise to images to protect…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Takuto Onikubo , Yusuke Matsui

We show that the representation of an image in a deep neural network (DNN) can be manipulated to mimic those of other natural images, with only minor, imperceptible perturbations to the original image. Previous methods for generating…

Computer Vision and Pattern Recognition · Computer Science 2016-03-07 Sara Sabour , Yanshuai Cao , Fartash Faghri , David J. Fleet