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Transferable adversarial attacks pose significant threats to deep neural networks, particularly in black-box scenarios where internal model information is inaccessible. Studying adversarial attack methods helps advance the performance of…

Artificial Intelligence · Computer Science 2024-09-23 Zhibo Jin , Jiayu Zhang , Zhiyu Zhu , Chenyu Zhang , Jiahao Huang , Jianlong Zhou , Fang Chen

Minute pixel changes in an image drastically change the prediction that the deep learning model makes. One of the most significant problems that could arise due to this, for instance, is autonomous driving. Many methods have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Shreyank N Gowda , Chun Yuan

Though deep neural networks (DNNs) have shown superiority over other techniques in major fields like computer vision, natural language processing, robotics, recently, it has been proven that they are vulnerable to adversarial attacks. The…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Nupur Thakur , Yuzhen Ding , Baoxin Li

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

Fine-grained image search is still a challenging problem due to the difficulty in capturing subtle differences regardless of pose variations of objects from fine-grained categories. In practice, a dynamic inventory with new fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Kevin Lin , Fan Yang , Qiaosong Wang , Robinson Piramuthu

Adversarial robustness is one of the most challenging problems in Deep Learning and Computer Vision research. All the state-of-the-art techniques require a time-consuming procedure that creates cleverly perturbed images. Due to its cost,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Matteo Terzi , Mattia Carletti , Gian Antonio Susto

Despite their tremendous success in modelling high-dimensional data manifolds, deep neural networks suffer from the threat of adversarial attacks - Existence of perceptually valid input-like samples obtained through careful perturbation…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Vinay Kyatham , Mayank Mishra , Tarun Kumar Yadav , Deepak Mishra , Prathosh AP

Deep learning models have been shown to be vulnerable to adversarial attacks. In particular, gradient-based attacks have demonstrated high success rates recently. The gradient measures how each image pixel affects the model output, which…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Hanbin Hong , Yuan Hong , Yu Kong

Point cloud compression significantly reduces data volume but sacrifices reconstruction quality, highlighting the need for advanced quality enhancement techniques. Most existing approaches focus primarily on point-to-point fidelity, often…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Tian Guo , Hui Yuan , Qi Liu , Honglei Su , Raouf Hamzaoui , Sam Kwong

In a vertical federated learning (VFL) scenario where features and model are split into different parties, communications of sample-specific updates are required for correct gradient calculations but can be used to deduce important…

Machine Learning · Computer Science 2022-02-14 Yang Liu , Tianyuan Zou , Yan Kang , Wenhan Liu , Yuanqin He , Zhihao Yi , Qiang Yang

Federated learning (FL) is a distributed training paradigm that enables collaborative learning across clients without sharing local data, thereby preserving privacy. However, the increasing scale and complexity of modern deep models often…

Machine Learning · Computer Science 2025-05-20 Honggu Kang , Seohyeon Cha , Joonhyuk Kang

We study the problem of defending deep neural network approaches for image classification from physically realizable attacks. First, we demonstrate that the two most scalable and effective methods for learning robust models, adversarial…

Machine Learning · Computer Science 2020-02-18 Tong Wu , Liang Tong , Yevgeniy Vorobeychik

Recent studies have shown that deep neural networks (DNN) are vulnerable to adversarial samples: maliciously-perturbed samples crafted to yield incorrect model outputs. Such attacks can severely undermine DNN systems, particularly in…

Machine Learning · Computer Science 2017-04-28 Ji Gao , Beilun Wang , Zeming Lin , Weilin Xu , Yanjun Qi

Although diffusion model has made good progress in the field of image generation, GAN\cite{huang2023adaptive} still has a large development space due to its unique advantages, such as WGAN\cite{liu2021comparing},…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Sun Weikai , Song Shijie , Chi Wenjie

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…

Cryptography and Security · Computer Science 2025-05-15 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

Structured pruning of filters or neurons has received increased focus for compressing convolutional neural networks. Most existing methods rely on multi-stage optimizations in a layer-wise manner for iteratively pruning and retraining which…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Shaohui Lin , Rongrong Ji , Chenqian Yan , Baochang Zhang , Liujuan Cao , Qixiang Ye , Feiyue Huang , David Doermann

Deep neural networks have been shown to suffer from critical vulnerabilities under adversarial attacks. This phenomenon stimulated the creation of different attack and defense strategies similar to those adopted in cyberspace security. The…

Cryptography and Security · Computer Science 2021-05-07 Ruoxi Qin , Linyuan Wang , Xingyuan Chen , Xuehui Du , Bin Yan

Deep neural networks are known to be vulnerable to adversarial attacks. Current methods of defense from such attacks are based on either implicit or explicit regularization, e.g., adversarial training. Randomized smoothing, the averaging of…

Generative adversarial networks have been proposed as a way of efficiently training deep generative neural networks. We propose a generative adversarial model that works on continuous sequential data, and apply it by training it on a…

Artificial Intelligence · Computer Science 2016-12-01 Olof Mogren

Adversarial attacks exploit the vulnerabilities of convolutional neural networks by introducing imperceptible perturbations that lead to misclassifications, exposing weaknesses in feature representations and decision boundaries. This paper…

Machine Learning · Computer Science 2024-12-30 Longwei Wang , Navid Nayyem , Abdullah Rakin