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Fraud detection problems are usually formulated as a machine learning problem on a graph. Recently, Graph Neural Networks (GNNs) have shown solid performance on fraud detection. The successes of most previous methods heavily rely on rich…

机器学习 · 计算机科学 2021-10-05 Chen Wang , Yingtong Dou , Min Chen , Jia Chen , Zhiwei Liu , Philip S. Yu

In this paper, a novel strategy of Secure Steganograpy based on Generative Adversarial Networks is proposed to generate suitable and secure covers for steganography. The proposed architecture has one generative network, and two…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Haichao Shi , Jing Dong , Wei Wang , Yinlong Qian , Xiaoyu Zhang

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

机器学习 · 计算机科学 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

Model-based attacks can infer training data information from deep neural network models. These attacks heavily depend on the attacker's knowledge of the application domain, e.g., using it to determine the auxiliary data for model-inversion…

机器学习 · 计算机科学 2022-12-23 Yuechun Gu , Keke Chen

Modern applications of artificial neural networks have yielded remarkable performance gains in a wide range of tasks. However, recent studies have discovered that such modelling strategy is vulnerable to Adversarial Examples, i.e. examples…

计算机视觉与模式识别 · 计算机科学 2019-04-24 João Monteiro , Isabela Albuquerque , Zahid Akhtar , Tiago H. Falk

Numerous recent studies have demonstrated how Deep Neural Network (DNN) classifiers can be fooled by adversarial examples, in which an attacker adds perturbations to an original sample, causing the classifier to misclassify the sample.…

机器学习 · 计算机科学 2021-02-09 Yigit Alparslan , Ken Alparslan , Jeremy Keim-Shenk , Shweta Khade , Rachel Greenstadt

Adversarial examples are maliciously modified inputs created to fool deep neural networks (DNN). The discovery of such inputs presents a major issue to the expansion of DNN-based solutions. Many researchers have already contributed to the…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Alessandro Cennamo , Ido Freeman , Anton Kummert

The growing integration of UAVs into civilian airspace underscores the need for resilient and intelligent intrusion detection systems (IDS), as traditional anomaly detection methods often fail to identify novel threats. A common approach…

机器学习 · 计算机科学 2026-02-05 Deepak Kumar Panda , Weisi Guo

Artificial neural network (ANN) provides superior accuracy for nonlinear alternating current (AC) state estimation (SE) in smart grid over traditional methods. However, research has discovered that ANN could be easily fooled by adversarial…

机器学习 · 计算机科学 2019-06-28 Tian Liu , Tao Shu

Automatic detection of anomalies such as weapons or threat objects in baggage security, or detecting impaired items in industrial production is an important computer vision task demanding high efficiency and accuracy. Most of the available…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Rushikesh Zawar , Krupa Bhayani , Neelanjan Bhowmik , Kamlesh Tiwari , Dhiraj Sangwan

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

图像与视频处理 · 电气工程与系统科学 2021-06-04 Changhee Han

As cyberattacks become increasingly sophisticated, advanced Network Intrusion Detection Systems (NIDS) are critical for modern network security. Traditional signature-based NIDS are inadequate against zero-day and evolving attacks. In…

密码学与安全 · 计算机科学 2025-02-24 Benyamin Tafreshian , Shengzhi Zhang

An Adversarial System to attack and an Authorship Attribution System (AAS) to defend itself against the attacks are analyzed. Defending a system against attacks from an adversarial machine learner can be done by randomly switching between…

密码学与安全 · 计算机科学 2019-11-27 Alison Jenkins

The tremendous progress of autoencoders and generative adversarial networks (GANs) has led to their application to multiple critical tasks, such as fraud detection and sanitized data generation. This increasing adoption has fostered the…

密码学与安全 · 计算机科学 2020-10-09 Ahmed Salem , Yannick Sautter , Michael Backes , Mathias Humbert , Yang Zhang

Metaverse is trending to create a digital circumstance that can transfer the real world to an online platform supported by large quantities of real-time interactions. Pre-trained Artificial Intelligence (AI) models are demonstrating their…

密码学与安全 · 计算机科学 2024-01-05 Pengfei Li , Zhibo Zhang , Ameena S. Al-Sumaiti , Naoufel Werghi , Chan Yeob Yeun

As online fraud becomes more sophisticated and pervasive, traditional fraud detection methods are struggling to keep pace with the evolving tactics employed by fraudsters. This paper explores the transformative role of machine learning in…

机器学习 · 计算机科学 2024-10-29 Md Kamrul Hasan Chy

Generative adversarial networks (GANs) have been shown to provide an effective way to model complex distributions and have obtained impressive results on various challenging tasks. However, typical GANs require fully-observed data during…

机器学习 · 计算机科学 2019-02-27 Steven Cheng-Xian Li , Bo Jiang , Benjamin Marlin

Radio Frequency Fingerprinting (RFF) has evolved as an effective solution for authenticating devices by leveraging the unique imperfections in hardware components involved in the signal generation process. In this work, we propose a…

密码学与安全 · 计算机科学 2025-10-14 Raju Dhakal , Prashant Shekhar , Laxima Niure Kandel

Deep learning on graph structures has shown exciting results in various applications. However, few attentions have been paid to the robustness of such models, in contrast to numerous research work for image or text adversarial attack and…

机器学习 · 计算机科学 2018-06-08 Hanjun Dai , Hui Li , Tian Tian , Xin Huang , Lin Wang , Jun Zhu , Le Song

Many online applications, such as online social networks or knowledge bases, are often attacked by malicious users who commit different types of actions such as vandalism on Wikipedia or fraudulent reviews on eBay. Currently, most of the…

机器学习 · 计算机科学 2018-06-07 Panpan Zheng , Shuhan Yuan , Xintao Wu , Jun Li , Aidong Lu