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Deep neural networks have achieved human-level accuracy on almost all perceptual benchmarks. It is interesting that these advances were made using two ideas that are decades old: (a) an artificial neuron based on a linear summator and (b)…

神经与进化计算 · 计算机科学 2020-06-18 Sergey Bochkanov

Adversarial attacks by generating examples which are almost indistinguishable from natural examples, pose a serious threat to learning models. Defending against adversarial attacks is a critical element for a reliable learning system.…

机器学习 · 计算机科学 2021-07-22 Huimin Wu , Zhengmian Hu , Bin Gu

In recent years, video analysis tools for automatically extracting meaningful information from videos are widely studied and deployed. Because most of them use deep neural networks which are computationally expensive, feeding only a subset…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Hanhan Li , Pin Wang

Deep learning models have achieved remarkable success in computer vision but remain vulnerable to adversarial attacks, particularly in black-box settings where model details are unknown. Existing adversarial attack methods(even those works…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Kimia haghjooei , Mansoor Rezghi

Visual-Language Pre-training (VLP) models have achieved significant performance across various downstream tasks. However, they remain vulnerable to adversarial examples. While prior efforts focus on improving the adversarial transferability…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Xin Liu , Aoyang Zhou , Aoyang Zhou

We propose a new adversarial attack to Deep Neural Networks for image classification. Different from most existing attacks that directly perturb input pixels, our attack focuses on perturbing abstract features, more specifically, features…

机器学习 · 计算机科学 2020-12-17 Qiuling Xu , Guanhong Tao , Siyuan Cheng , Xiangyu Zhang

Visual reinforcement learning has achieved remarkable progress in visual control and robotics, but its vulnerability to adversarial perturbations remains underexplored. Most existing black-box attacks focus on vector-based or…

机器学习 · 计算机科学 2025-11-14 Tairan Huang , Yulin Jin , Junxu Liu , Qingqing Ye , Haibo Hu

The rapid growth of deep learning has brought about powerful models that can handle various tasks, like identifying images and understanding language. However, adversarial attacks, an unnoticed alteration, can deceive models, leading to…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Sampriti Soor , Alik Pramanick , Jothiprakash K , Arijit Sur

In recent years, the trackers based on Siamese networks have emerged as highly effective and efficient for visual object tracking (VOT). While these methods were shown to be vulnerable to adversarial attacks, as most deep networks for…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Krishna Kanth Nakka , Mathieu Salzmann

Event cameras have been widely adopted in safety-critical domains such as autonomous driving, robotics, and human-computer interaction. A pressing challenge arises from the vulnerability of deep neural networks to adversarial examples,…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Hongwei Ren , Youxin Jiang , Qifei Gu , Xiangqian Wu

Assessing the robustness of multimodal models against adversarial examples is an important aspect for the safety of its users. We craft L0-norm perturbation attacks on the preprocessed input images. We launch them in a black-box setup…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Cristian-Alexandru Botocan , Raphael Meier , Ljiljana Dolamic

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…

密码学与安全 · 计算机科学 2019-01-10 Bin Liang , Hongcheng Li , Miaoqiang Su , Xirong Li , Wenchang Shi , Xiaofeng Wang

Adversarial attacks in machine learning traditionally focus on global perturbations to input data, yet the potential of localized adversarial noise remains underexplored. This study systematically evaluates localized adversarial attacks…

机器学习 · 计算机科学 2025-09-30 Pavan Reddy , Aditya Sanjay Gujral

We propose a test-time defense mechanism against adversarial attacks: imperceptible image perturbations that significantly alter the predictions of a model. Unlike existing methods that rely on feature filtering or smoothing, which can lead…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Dong Lao , Yuxiang Zhang , Haniyeh Ehsani Oskouie , Yangchao Wu , Alex Wong , Stefano Soatto

Recent studies imply that deep neural networks are vulnerable to adversarial examples -- inputs with a slight but intentional perturbation are incorrectly classified by the network. Such vulnerability makes it risky for some…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Jinyu Yang , Chunyuan Li , Weizhi An , Hehuan Ma , Yuzhi Guo , Yu Rong , Peilin Zhao , Junzhou Huang

Adding perturbations via utilizing auxiliary gradient information or discarding existing details of the benign images are two common approaches for generating adversarial examples. Though visual imperceptibility is the desired property of…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zihan Chen , Ziyue Wang , Junjie Huang , Wentao Zhao , Xiao Liu , Dejian Guan

With the rapid advancement of deep learning, the model robustness has become a significant research hotspot, \ie, adversarial attacks on deep neural networks. Existing works primarily focus on image classification tasks, aiming to alter the…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Yufei Song , Ziqi Zhou , Minghui Li , Xianlong Wang , Hangtao Zhang , Menghao Deng , Wei Wan , Shengshan Hu , Leo Yu Zhang

We introduce 2D-Malafide, a novel and lightweight adversarial attack designed to deceive face deepfake detection systems. Building upon the concept of 1D convolutional perturbations explored in the speech domain, our method leverages 2D…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Chiara Galdi , Michele Panariello , Massimiliano Todisco , Nicholas Evans

As the name suggests, image spam is spam email that has been embedded in an image. Image spam was developed in an effort to evade text-based filters. Modern deep learning-based classifiers perform well in detecting typical image spam that…

密码学与安全 · 计算机科学 2021-03-10 Andy Phung , Mark Stamp

We introduce a novel approach to counter adversarial attacks, namely, image resampling. Image resampling transforms a discrete image into a new one, simulating the process of scene recapturing or rerendering as specified by a geometrical…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yue Cao , Tianlin Li , Xiaofeng Cao , Ivor Tsang , Yang Liu , Qing Guo