中文
相关论文

相关论文: Anomaly Detection of Adversarial Examples using Cl…

200 篇论文

In this paper, we employ a 1D deep convolutional generative adversarial network (DCGAN) for sequential anomaly detection in energy time series data. Anomaly detection involves gradient descent to reconstruct energy sub-sequences,…

机器学习 · 计算机科学 2024-02-23 Hardik Prabhu , Jayaraman Valadi , Pandarasamy Arjunan

Deep neural network (DNN) models have proven to be vulnerable to adversarial digital and physical attacks. In this paper, we propose a novel attack- and dataset-agnostic and real-time detector for both types of adversarial inputs to…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Yiannis Kantaros , Taylor Carpenter , Kaustubh Sridhar , Yahan Yang , Insup Lee , James Weimer

The existence of adversarial attacks on convolutional neural networks (CNN) questions the fitness of such models for serious applications. The attacks manipulate an input image such that misclassification is evoked while still looking…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Mohammadreza Amirian , Friedhelm Schwenker , Thilo Stadelmann

Machine learning models, especially neural network (NN) classifiers, are widely used in many applications including natural language processing, computer vision and cybersecurity. They provide high accuracy under the assumption of…

机器学习 · 计算机科学 2019-03-08 Guanxiong Liu , Issa Khalil , Abdallah Khreishah

Generative adversarial network (GAN) has been shown to be useful in various applications, such as image recognition, text processing and scientific computing, due its strong ability to learn complex data distributions. In this study, a…

地球物理 · 物理学 2021-09-14 Tianhao He , Dongxiao Zhang

Anomaly detection is a challenging task for machine learning algorithms due to the inherent class imbalance. It is costly and time-demanding to manually analyse the observed data, thus usually only few known anomalies if any are available.…

机器学习 · 计算机科学 2024-01-17 J. -P. Schulze , P. Sperl , K. Böttinger

Anomaly detection is a difficult problem in many areas and has recently been subject to a lot of attention. Classifying unseen data as anomalous is a challenging matter. Latest proposed methods rely on Generative Adversarial Networks (GANs)…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Pierrick Chatillon , Coloma Ballester

A myriad of recent literary works has leveraged generative adversarial networks (GANs) to generate unseen evasion samples. The purpose is to annex the generated data with the original train set for adversarial training to improve the…

密码学与安全 · 计算机科学 2022-08-09 Rizwan Hamid Randhawa , Nauman Aslam , Mohammad Alauthman , Husnain Rafiq

Generative adversarial networks (GAN) are a class of powerful machine learning techniques, where both a generative and discriminative model are trained simultaneously. GANs have been used, for example, to successfully generate "deep fake"…

密码学与安全 · 计算机科学 2021-07-06 Rakesh Nagaraju , Mark Stamp

In order to introduce deep learning technologies into anomaly detection, Generative Adversarial Networks (GANs) are considered as important roles in the algorithm design and realistic applications. In terms of GANs, event probability…

机器学习 · 计算机科学 2024-04-08 Rui She , Pingyi Fan

Deep neural networks (DNNs) are under threat from adversarial example attacks. The adversary can easily change the outputs of DNNs by adding small well-designed perturbations to inputs. Adversarial example detection is a fundamental work…

机器学习 · 计算机科学 2021-11-30 Hui Liu , Bo Zhao , Minzhi Ji , Yuefeng Peng , Jiabao Guo , Peng Liu

The goal of anomaly detection is to identify anomalous samples from normal ones. In this paper, a small number of anomalies are assumed to be available at the training stage, but they are assumed to be collected only from several anomaly…

机器学习 · 计算机科学 2022-05-03 Bowen Tian , Qinliang Su , Jian Yin

Recent work has shown deep neural networks (DNNs) to be highly susceptible to well-designed, small perturbations at the input layer, or so-called adversarial examples. Taking images as an example, such distortions are often imperceptible,…

机器学习 · 计算机科学 2015-04-13 Shixiang Gu , Luca Rigazio

Targeted adversarial attack, which aims to mislead a model to recognize any image as a target object by imperceptible perturbations, has become a mainstream tool for vulnerability assessment of deep neural networks (DNNs). Since existing…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Youheng Sun , Shengming Yuan , Xuanhan Wang , Lianli Gao , Jingkuan Song

Generative adversarial networks (GANs) are a learning framework that rely on training a discriminator to estimate a measure of difference between a target and generated distributions. GANs, as normally formulated, rely on the generated…

机器学习 · 统计学 2018-02-23 R Devon Hjelm , Athul Paul Jacob , Tong Che , Adam Trischler , Kyunghyun Cho , Yoshua Bengio

Despite the efficiency and scalability of machine learning systems, recent studies have demonstrated that many classification methods, especially deep neural networks (DNNs), are vulnerable to adversarial examples; i.e., examples that are…

密码学与安全 · 计算机科学 2021-11-22 Yao Li , Minhao Cheng , Cho-Jui Hsieh , Thomas C. M. Lee

Deep Neural Networks (DNNs) are often criticized for being susceptible to adversarial attacks. Most successful defense strategies adopt adversarial training or random input transformations that typically require retraining or fine-tuning…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Lokender Tiwari , Anish Madan , Saket Anand , Subhashis Banerjee

Intelligent Internet of Things (IoT) systems based on deep neural networks (DNNs) have been widely deployed in the real world. However, DNNs are found to be vulnerable to adversarial examples, which raises people's concerns about…

机器学习 · 计算机科学 2021-11-22 Tao Bai , Jun Zhao , Jinlin Zhu , Shoudong Han , Jiefeng Chen , Bo Li , Alex Kot

Abnormal crowd behaviour detection attracts a large interest due to its importance in video surveillance scenarios. However, the ambiguity and the lack of sufficient abnormal ground truth data makes end-to-end training of large deep…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Mahdyar Ravanbakhsh , Enver Sangineto , Moin Nabi , Nicu Sebe

As a kind of generative self-supervised learning methods, generative adversarial nets have been widely studied in the field of anomaly detection. However, the representation learning ability of the generator is limited since it pays too…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Xuan Xia , Xizhou Pan , Xing He , Jingfei Zhang , Ning Ding , Lin Ma