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Anomaly detection suffered from the lack of anomalies due to the diversity of abnormalities and the difficulties of obtaining large-scale anomaly data. Semi-supervised anomaly detection methods are often used to solely leverage normal data…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Jian Shi , Ni Zhang

The boundaries of cyber-physical systems (CPS) and the Internet of Things (IoT) are converging together day by day to introduce a common platform on hybrid systems. Moreover, the combination of artificial intelligence (AI) with CPS creates…

密码学与安全 · 计算机科学 2020-06-02 Md Hasan Shahriar , Nur Imtiazul Haque , Mohammad Ashiqur Rahman , Miguel Alonso

Mobile Crowdsensing systems are vulnerable to various attacks as they build on non-dedicated and ubiquitous properties. Machine learning (ML)-based approaches are widely investigated to build attack detection systems and ensure MCS systems…

密码学与安全 · 计算机科学 2022-02-17 Zhiyan Chen , Burak Kantarci

Our increasingly connected world continues to face an ever-growing amount of network-based attacks. Intrusion detection systems (IDS) are an essential security technology for detecting these attacks. Although numerous machine learning-based…

密码学与安全 · 计算机科学 2023-01-10 Caroline Strickland , Chandrika Saha , Muhammad Zakar , Sareh Nejad , Noshin Tasnim , Daniel Lizotte , Anwar Haque

Generative adversarial networks have been able to generate striking results in various domains. This generation capability can be general while the networks gain deep understanding regarding the data distribution. In many domains, this data…

机器学习 · 计算机科学 2019-09-16 Milad Salem , Shayan Taheri , Jiann Shiun Yuan

Deep generative models, such as Generative Adversarial Networks (GANs), synthesize diverse high-fidelity data samples by estimating the underlying distribution of high dimensional data. Despite their success, GANs may disclose private…

机器学习 · 计算机科学 2022-06-02 Parisa Hassanzadeh , Robert E. Tillman

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

Generative Adversarial Networks (GAN) have promoted a variety of applications in computer vision, natural language processing, etc. due to its generative model's compelling ability to generate realistic examples plausibly drawn from an…

机器学习 · 计算机科学 2021-06-08 Zhipeng Cai , Zuobin Xiong , Honghui Xu , Peng Wang , Wei Li , Yi Pan

Analysis of an organization's computer network activity is a key component of early detection and mitigation of insider threat, a growing concern for many organizations. Raw system logs are a prototypical example of streaming data that can…

神经与进化计算 · 计算机科学 2017-12-19 Aaron Tuor , Samuel Kaplan , Brian Hutchinson , Nicole Nichols , Sean Robinson

Generative adversarial networks (GANs) have shown promise for various problems including anomaly detection. When anomaly detection is performed using GAN models that learn only the features of normal data samples, data that are not similar…

机器学习 · 计算机科学 2020-12-23 Teguh Budianto , Tomohiro Nakai , Kazunori Imoto , Takahiro Takimoto , Kosuke Haruki

Conditional generative models aim to learn the underlying joint distribution of data and labels to achieve conditional data generation. Among them, the auxiliary classifier generative adversarial network (AC-GAN) has been widely used, but…

机器学习 · 计算机科学 2022-06-20 Liang Hou , Qi Cao , Huawei Shen , Siyuan Pan , Xiaoshuang Li , Xueqi Cheng

Recreating cyber-attack alert data with a high level of fidelity is challenging due to the intricate interaction between features, non-homogeneity of alerts, and potential for rare yet critical samples. Generative Adversarial Networks…

机器学习 · 计算机科学 2019-08-06 Christopher Sweet , Stephen Moskal , Shanchieh Jay Yang

One of the most significant challenges in statistical signal processing and machine learning is how to obtain a generative model that can produce samples of large-scale data distribution, such as images and speeches. Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Pegah Salehi , Abdolah Chalechale , Maryam Taghizadeh

Without any specific way for imbalance data classification, artificial intelligence algorithm cannot recognize data from minority classes easily. In general, modifying the existing algorithm by assuming that the training data is imbalanced,…

机器学习 · 计算机科学 2018-07-16 Fanny , Tjeng Wawan Cenggoro

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

This study explores the application of generative adversarial networks in financial market supervision, especially for solving the problem of data imbalance to improve the accuracy of risk prediction. Since financial market data are often…

计算金融 · 定量金融 2024-12-23 Mohan Jiang , Yaxin Liang , Siyuan Han , Kunyuan Ma , Yuan Chen , Zhen Xu

Generative Adversarial Networks (GANs) are one of the well-known models to generate synthetic data including images, especially for research communities that cannot use original sensitive datasets because they are not publicly accessible.…

机器学习 · 计算机科学 2020-01-28 Reihaneh Torkzadehmahani , Peter Kairouz , Benedict Paten

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

As electronic systems become increasingly complex and prevalent in modern vehicles, securing onboard networks is crucial, particularly as many of these systems are safety-critical. Researchers have demonstrated that modern vehicles are…

密码学与安全 · 计算机科学 2024-12-31 Chunheng Zhao , Stefano Longari , Michele Carminati , Pierluigi Pisu

Anomaly detection is a task that recognizes whether an input sample is included in the distribution of a target normal class or an anomaly class. Conventional generative adversarial network (GAN)-based methods utilize an entire image…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Jou Won Song , Kyeongbo Kong , Ye In Park , Suk-Ju Kang