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Deep learning models frequently suffer from various problems such as class imbalance and lack of robustness to distribution shift. It is often difficult to find data suitable for training beyond the available benchmarks. This is especially…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Pratinav Seth , Akshat Bhandari , Kumud Lakara

Performing supervised learning from the data synthesized by using Generative Adversarial Networks (GANs), dubbed GAN-synthetic data, has two important applications. First, GANs may generate more labeled training data, which may help improve…

机器学习 · 计算机科学 2019-05-30 Fu-Chieh Chang , Hao-Jen Wang , Chun-Nan Chou , Edward Y. Chang

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

We propose to improve unconditional Generative Adversarial Networks (GAN) by training the self-supervised learning with the adversarial process. In particular, we apply self-supervised learning via the geometric transformation on input…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Ngoc-Trung Tran , Viet-Hung Tran , Ngoc-Bao Nguyen , Ngai-Man Cheung

Despite remarkable performance in producing realistic samples, Generative Adversarial Networks (GANs) often produce low-quality samples near low-density regions of the data manifold, e.g., samples of minor groups. Many techniques have been…

机器学习 · 计算机科学 2021-10-28 Jinhee Lee , Haeri Kim , Youngkyu Hong , Hye Won Chung

Generative Adversarial Networks (GAN) are known to produce synthetic data that are difficult to discern from real ones by humans. In this paper we present an approach to use GAN to produce realistically looking ECG signals. We utilize them…

机器学习 · 计算机科学 2020-09-08 Karol Antczak

Smart grids are crucial for meeting rising energy demands driven by global population growth and urbanization. By integrating renewable energy sources, they enhance efficiency, reliability, and sustainability. However, ensuring their…

密码学与安全 · 计算机科学 2025-06-25 Emad Efatinasab , Alessandro Brighente , Denis Donadel , Mauro Conti , Mirco Rampazzo

Recent advancements in Generative Adversarial Networks (GANs) enable the generation of highly realistic images, raising concerns about their misuse for malicious purposes. Detecting these GAN-generated images (GAN-images) becomes…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Hyeonseong Jeon , Youngoh Bang , Junyaup Kim , Simon S. Woo

Generative Adversarial Networks (GANs) have been shown to produce realistically looking synthetic images with remarkable success, yet their performance seems less impressive when the training set is highly diverse. In order to provide a…

机器学习 · 计算机科学 2018-08-31 Matan Ben-Yosef , Daphna Weinshall

In many anomaly detection tasks, where anomalous data rarely appear and are difficult to collect, training using only normal data is important. Although it is possible to manually create anomalous data using prior knowledge, they may be…

机器学习 · 计算机科学 2022-05-10 Hironori Murase , Kenji Fukumizu

Artificial intelligence (AI) is increasingly used in every stage of drug development. Continuing breakthroughs in AI-based methods for drug discovery require the creation, improvement, and refinement of drug discovery data. We posit a new…

机器学习 · 计算机科学 2024-05-08 Bing Hu , Ashish Saragadam , Anita Layton , Helen Chen

In the past few years, consumer review sites have become the main target of deceptive opinion spam, where fictitious opinions or reviews are deliberately written to sound authentic. Most of the existing work to detect the deceptive reviews…

密码学与安全 · 计算机科学 2018-05-29 Hojjat Aghakhani , Aravind Machiry , Shirin Nilizadeh , Christopher Kruegel , Giovanni Vigna

High-frequency banking environments face a critical trade-off between low-latency fraud detection and the regulatory explainability demanded by GDPR. Traditional rule-based and discriminative models struggle with "zero-day" attacks due to…

人工智能 · 计算机科学 2026-03-17 Nasim Abdirahman Ismail , Enis Karaarslan

Deep learning is actively being used in biometrics to develop efficient identification and verification systems. Handwritten signatures are a common subset of biometric data for authentication purposes. Generative adversarial networks…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Haadia Amjad , Kilian Goeller , Steffen Seitz , Carsten Knoll , Naseer Bajwa , Ronald Tetzlaff , Muhammad Imran Malik

Generative Adversarial Networks (GANs) have demonstrated their versatility across various applications, including data augmentation and malware detection. This research explores the effectiveness of utilizing GAN-generated data to train a…

密码学与安全 · 计算机科学 2024-03-06 Kawana Stalin , Mikias Berhanu Mekoya

In the past few years, Generative Adversarial Network (GAN) became a prevalent research topic. By defining two convolutional neural networks (G-Network and D-Network) and introducing an adversarial procedure between them during the training…

计算机视觉与模式识别 · 计算机科学 2017-04-27 Hengyue Pan , Hui Jiang

The generative adversarial network (GAN) framework has emerged as a powerful tool for various image and video synthesis tasks, allowing the synthesis of visual content in an unconditional or input-conditional manner. It has enabled the…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Ming-Yu Liu , Xun Huang , Jiahui Yu , Ting-Chun Wang , Arun Mallya

Synthetic media generated by Generative Adversarial Networks (GANs) pose significant challenges in verifying authenticity and tracing dataset origins, raising critical concerns in copyright enforcement, privacy protection, and legal…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Massimiliano Cassia , Luca Guarnera , Mirko Casu , Ignazio Zangara , Sebastiano Battiato

Generative Adversarial Networks (GANs) are well-known tools for data generation and semi-supervised classification. GANs, with less labeled data, outperform Deep Neural Networks (DNNs) and Convolutional Neural Networks (CNNs) in…

机器学习 · 计算机科学 2021-10-28 Ryan Nguyen , Shubhendu Kumar Singh , Rahul Rai

In the rapidly evolving domain of large-scale retail data systems, envisioning and simulating future consumer transactions has become a crucial area of interest. It offers significant potential to fortify demand forecasting and fine-tune…

机器学习 · 计算机科学 2025-08-08 Sergiy Tkachuk , Szymon Łukasik , Anna Wróblewska