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Deep learning-based person re-identification (Re-ID) has made great progress and achieved high performance recently. In this paper, we make the first attempt to examine the vulnerability of current person Re-ID models against a dangerous…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Wenjie Ding , Xing Wei , Rongrong Ji , Xiaopeng Hong , Qi Tian , Yihong Gong

Deep neural networks have achieved remarkable success in a wide range of classification tasks. However, they remain highly susceptible to adversarial examples - inputs that are subtly perturbed to induce misclassification while appearing…

Machine Learning · Computer Science 2025-10-20 Virendra Nishad , Bhaskar Mukhoty , Hilal AlQuabeh , Sandeep K. Shukla , Sayak Ray Chowdhury

Open-set recognition and adversarial defense study two key aspects of deep learning that are vital for real-world deployment. The objective of open-set recognition is to identify samples from open-set classes during testing, while…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel

Deep learning (DL) architectures have been successfully used in many applications including wireless systems. However, they have been shown to be susceptible to adversarial attacks. We analyze DL-based models for a regression problem in the…

Information Theory · Computer Science 2021-10-12 Pablo Millán Santos , B. R. Manoj , Meysam Sadeghi , Erik G. Larsson

Adversarial purification with diffusion models has emerged as a promising defense strategy, but existing methods typically rely on uniform noise injection, which indiscriminately perturbs all frequencies, corrupting semantic structures and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xiaoyi Huang , Junwei Wu , Kejia Zhang , Carl Yang , Zhiming Luo

Traditional reconstruction-based methods have struggled to achieve competitive performance in anomaly detection. In this paper, we introduce Denoising Diffusion Anomaly Detection (DDAD), a novel denoising process for image reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Arian Mousakhan , Thomas Brox , Jawad Tayyub

Deep Neural Networks (DNNs) are notoriously vulnerable to adversarial input designs with limited noise budgets. While numerous successful attacks with subtle modifications to original input have been proposed, defense techniques against…

Machine Learning · Computer Science 2025-06-27 Furkan Mumcu , Yasin Yilmaz

Recently, many studies have demonstrated deep neural network (DNN) classifiers can be fooled by the adversarial example, which is crafted via introducing some perturbations into an original sample. Accordingly, some powerful defense…

Cryptography and Security · Computer Science 2019-01-10 Bin Liang , Hongcheng Li , Miaoqiang Su , Xirong Li , Wenchang Shi , Xiaofeng Wang

Universal adversarial perturbations (UAPs), a.k.a. input-agnostic perturbations, has been proved to exist and be able to fool cutting-edge deep learning models on most of the data samples. Existing UAP methods mainly focus on attacking…

Computer Vision and Pattern Recognition · Computer Science 2019-09-12 Jie Li , Rongrong Ji , Hong Liu , Xiaopeng Hong , Yue Gao , Qi Tian

We introduce Adversarial Diffusion Distillation (ADD), a novel training approach that efficiently samples large-scale foundational image diffusion models in just 1-4 steps while maintaining high image quality. We use score distillation to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Axel Sauer , Dominik Lorenz , Andreas Blattmann , Robin Rombach

Video recognition models remain vulnerable to adversarial attacks, while existing diffusion-based purification methods suffer from inefficient sampling and curved trajectories. Directly regressing clean videos from adversarial inputs often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Duoxun Tang , Xueyi Zhang , Chak Hin Wang , Xi Xiao , Dasen Dai , Xinhang Jiang , Wentao Shi , Rui Li , Qing Li

Diffusion models have recently achieved success in solving Bayesian inverse problems with learned data priors. Current methods build on top of the diffusion sampling process, where each denoising step makes small modifications to samples…

Machine Learning · Computer Science 2025-08-19 Bingliang Zhang , Wenda Chu , Julius Berner , Chenlin Meng , Anima Anandkumar , Yang Song

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and safety of deep learning. Currently, discriminator models outperform other methods in this regard. However, the feature extraction process used by…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Luping Liu , Yi Ren , Xize Cheng , Rongjie Huang , Chongxuan Li , Zhou Zhao

We present a novel method for generating robust adversarial image examples building upon the recent `deep image prior' (DIP) that exploits convolutional network architectures to enforce plausible texture in image synthesis. Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Thomas Gittings , Steve Schneider , John Collomosse

Imputation of missing images via source-to-target modality translation can improve diversity in medical imaging protocols. A pervasive approach for synthesizing target images involves one-shot mapping through generative adversarial networks…

Image and Video Processing · Electrical Eng. & Systems 2023-04-03 Muzaffer Özbey , Onat Dalmaz , Salman UH Dar , Hasan A Bedel , Şaban Özturk , Alper Güngör , Tolga Çukur

In recent times, deep neural networks (DNNs) have been successfully adopted for various applications. Despite their notable achievements, it has become evident that DNNs are vulnerable to sophisticated adversarial attacks, restricting their…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Alik Pramanick , Mayank Bansal , Utkarsh Srivastava , Suklav Ghosh , Arijit Sur

Neural networks are vulnerable to adversarial examples, which poses a threat to their application in security sensitive systems. We propose high-level representation guided denoiser (HGD) as a defense for image classification. Standard…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Fangzhou Liao , Ming Liang , Yinpeng Dong , Tianyu Pang , Xiaolin Hu , Jun Zhu

Deep Neural Networks (DNNs) are susceptible to elaborately designed perturbations, whether such perturbations are dependent or independent of images. The latter one, called Universal Adversarial Perturbation (UAP), is very attractive for…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Zhixing Ye , Xinwen Cheng , Xiaolin Huang

Recently, with the application of deep learning in the remote sensing image (RSI) field, the classification accuracy of the RSI has been dramatically improved compared with traditional technology. However, even the state-of-the-art object…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Qingyu Wang , Guorui Feng , Zhaoxia Yin , Bin Luo

In recent times, the swift evolution of adversarial attacks has captured widespread attention, particularly concerning their transferability and other performance attributes. These techniques are primarily executed at the sample level,…

Machine Learning · Computer Science 2024-08-16 Zhibo Jin , Jiayu Zhang , Zhiyu Zhu , Chenyu Zhang , Jiahao Huang , Jianlong Zhou , Fang Chen