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Related papers: Protecting JPEG Images Against Adversarial Attacks

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Video classification is a challenging task in computer vision. Although Deep Neural Networks (DNNs) have achieved excellent performance in video classification, recent research shows adding imperceptible perturbations to clean videos can…

Machine Learning · Computer Science 2019-09-12 Xiaojun Jia , Xingxing Wei , Xiaochun Cao

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

Adversarial attacks on image models threaten system robustness by introducing imperceptible perturbations that cause incorrect predictions. We investigate human-aligned learned lossy compression as a defense mechanism, comparing two learned…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Samuel Räber , Andreas Plesner , Till Aczel , Roger Wattenhofer

The vulnerability of deep neural networks to adversarial attacks has been widely demonstrated (e.g., adversarial example attacks). Traditional attacks perform unstructured pixel-wise perturbation to fool the classifier. An alternative…

Machine Learning · Computer Science 2022-05-23 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen

Deep neural networks (DNNs) are vulnerable to adversarial attack which is maliciously implemented by adding human-imperceptible perturbation to images and thus leads to incorrect prediction. Existing studies have proposed various methods to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Chen Ma , Chenxu Zhao , Hailin Shi , Li Chen , Junhai Yong , Dan Zeng

Deep neural networks (DNNs) have been found to be vulnerable to adversarial examples. Adversarial examples are malicious images with visually imperceptible perturbations. While these carefully crafted perturbations restricted with tight…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Yajie Wang , Shangbo Wu , Wenyi Jiang , Shengang Hao , Yu-an Tan , Quanxin Zhang

In recent years, Deep Neural Networks (DNNs) have had a dramatic impact on a variety of problems that were long considered very difficult, e. g., image classification and automatic language translation to name just a few. The accuracy of…

Machine Learning · Computer Science 2019-09-13 Yannik Potdevin , Dirk Nowotka , Vijay Ganesh

A plethora of recent work has shown that convolutional networks are not robust to adversarial images: images that are created by perturbing a sample from the data distribution as to maximize the loss on the perturbed example. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Abhimanyu Dubey , Laurens van der Maaten , Zeki Yalniz , Yixuan Li , Dhruv Mahajan

Deep neural networks are vulnerable against adversarial examples. In this paper, we propose to train and test the networks with randomly subsampled images with high drop rates. We show that this approach significantly improves robustness…

Machine Learning · Computer Science 2019-05-02 Hossein Hosseini , Sreeram Kannan , Radha Poovendran

Rain often poses inevitable threats to deep neural network (DNN) based perception systems, and a comprehensive investigation of the potential risks of the rain to DNNs is of great importance. However, it is rather difficult to collect or…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Liming Zhai , Felix Juefei-Xu , Qing Guo , Xiaofei Xie , Lei Ma , Wei Feng , Shengchao Qin , Yang Liu

Deep neural networks (DNN) have become a common sensing modality in autonomous systems as they allow for semantically perceiving the ambient environment given input images. Nevertheless, DNN models have proven to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Ramneet Kaur , Yiannis Kantaros , Wenwen Si , James Weimer , Insup Lee

This paper presents an empirical study on applying convolutional neural networks (CNNs) to detecting J-UNIWARD, one of the most secure JPEG steganographic method. Experiments guiding the architectural design of the CNNs have been conducted…

Multimedia · Computer Science 2017-04-28 Guanshuo Xu

The JPEG image compression algorithm is the most popular method of image compression because of its ability for large compression ratios. However, to achieve such high compression, information is lost. For aggressive quantization settings,…

Image and Video Processing · Electrical Eng. & Systems 2020-07-17 Max Ehrlich , Larry Davis , Ser-Nam Lim , Abhinav Shrivastava

Generative adversarial networks (GANs) have demonstrated to be successful at generating realistic real-world images. In this paper we compare various GAN techniques, both supervised and unsupervised. The effects on training stability of…

Machine Learning · Computer Science 2018-03-28 Mathijs Pieters , Marco Wiering

Deep neural networks (DNNs) have gain its popularity in various scenarios in recent years. However, its excellent ability of fitting complex functions also makes it vulnerable to backdoor attacks. Specifically, a backdoor can remain hidden…

Cryptography and Security · Computer Science 2023-05-18 Xinrui Liu , Yu-an Tan , Yajie Wang , Kefan Qiu , Yuanzhang Li

We propose a novel approach towards adversarial attacks on neural networks (NN), focusing on tampering the data used for training instead of generating attacks on trained models. Our network-agnostic method creates a backdoor during…

As designers of artificial intelligence try to outwit hackers, both sides continue to hone in on AI's inherent vulnerabilities. Designed and trained from certain statistical distributions of data, AI's deep neural networks (DNNs) remain…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Wenzhao Xiang , Hang Su , Chang Liu , Yandong Guo , Shibao Zheng

Deep neural networks (DNNs) have been applied in a wide range of applications,e.g.,face recognition and image classification; however,they are vulnerable to adversarial examples. By adding a small amount of imperceptible perturbations,an…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Fengting Li , Xuankai Liu , Xiaoli Zhang , Qi Li , Kun Sun , Kang Li

Deep neural networks (DNNs) are vulnerable to adversarial examples with small perturbations. Adversarial defense thus has been an important means which improves the robustness of DNNs by defending against adversarial examples. Existing…

Machine Learning · Computer Science 2021-03-16 Jincheng Li , Jiezhang Cao , Yifan Zhang , Jian Chen , Mingkui Tan

Deep convolutional neural networks accurately classify a diverse range of natural images, but may be easily deceived when designed, imperceptible perturbations are embedded in the images. In this paper, we design a multi-pronged training,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Nathaniel Dean , Dilip Sarkar