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We propose a new active learning by query synthesis approach using Generative Adversarial Networks (GAN). Different from regular active learning, the resulting algorithm adaptively synthesizes training instances for querying to increase…

机器学习 · 计算机科学 2017-11-17 Jia-Jie Zhu , José Bento

Machine learning algorithms are used in diverse domains, many of which face significant challenges due to data imbalance. Studies have explored various approaches to address the issue, like data preprocessing, cost-sensitive learning, and…

人工智能 · 计算机科学 2025-02-25 Pankaj Yadav , Gulshan Sihag , Vivek Vijay

Generative adversarial networks (GANs) are successfully used for image synthesis but are known to face instability during training. In contrast, probabilistic diffusion models (DMs) are stable and generate high-quality images, at the cost…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Edgardo Solano-Carrillo , Angel Bueno Rodriguez , Borja Carrillo-Perez , Yannik Steiniger , Jannis Stoppe

Due to the growing rise of cyber attacks in the Internet, flow-based data sets are crucial to increase the performance of the Machine Learning (ML) components that run in network-based intrusion detection systems (IDS). To overcome the…

密码学与安全 · 计算机科学 2022-02-09 Alberto Mozo , Ángel González-Prieto , Antonio Pastor , Sandra Gómez-Canaval , Edgar Talavera

Real active distribution networks with associated smart meter (SM) data are critical for power researchers. However, it is practically difficult for researchers to obtain such comprehensive datasets from utilities due to privacy concerns.…

系统与控制 · 电气工程与系统科学 2021-08-03 Rong Yan , Yuxuan Yuan , Zhaoyu Wang , Guangchao Geng , Quanyuan Jiang

Generative Adversarial Networks (GANs) have made releasing of synthetic images a viable approach to share data without releasing the original dataset. It has been shown that such synthetic data can be used for a variety of downstream tasks…

机器学习 · 计算机科学 2020-12-15 Sumit Mukherjee , Yixi Xu , Anusua Trivedi , Juan Lavista Ferres

Synthesising the spatial and temporal dynamics of the human body skeleton remains a challenging task, not only in terms of the quality of the generated shapes, but also of their diversity, particularly to synthesise realistic body movements…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Bruno Degardin , João Neves , Vasco Lopes , João Brito , Ehsan Yaghoubi , Hugo Proença

Detecting money laundering in gambling is becoming increasingly challenging for the gambling industry as consumers migrate to online channels. Whilst increasingly stringent regulations have been applied over the years to prevent money…

机器学习 · 计算机科学 2021-09-28 Charitos Charitou , Simo Dragicevic , Artur d'Avila Garcez

Despite the recency of their conception, Generative Adversarial Networks (GANs) constitute an extensively researched machine learning sub-field for the creation of synthetic data through deep generative modeling. GANs have consequently been…

网络与互联网体系结构 · 计算机科学 2021-05-11 Hojjat Navidan , Parisa Fard Moshiri , Mohammad Nabati , Reza Shahbazian , Seyed Ali Ghorashi , Vahid Shah-Mansouri , David Windridge

Insufficient training data is a major bottleneck for most deep learning practices, not least in medical imaging where data is difficult to collect and publicly available datasets are scarce due to ethics and privacy. This work investigates…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Gabriel Eilertsen , Apostolia Tsirikoglou , Claes Lundström , Jonas Unger

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

The widespread use of big data across sectors has raised major privacy concerns, especially when sensitive information is shared or analyzed. Regulations such as GDPR and HIPAA impose strict controls on data handling, making it difficult to…

机器学习 · 计算机科学 2025-12-10 Anantaa Kotal , Anupam Joshi

The advancement of generative AI, particularly in medical imaging, confronts the trilemma of ensuring high fidelity, diversity, and efficiency in synthetic data generation. While Generative Adversarial Networks (GANs) have shown promise…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Lorenzo Tronchin , Tommy Löfstedt , Paolo Soda , Valerio Guarrasi

Recent years have witnessed a surge in the popularity of Machine Learning (ML), applied across diverse domains. However, progress is impeded by the scarcity of training data due to expensive acquisition and privacy legislation. Synthetic…

机器学习 · 计算机科学 2024-02-05 André Bauer , Simon Trapp , Michael Stenger , Robert Leppich , Samuel Kounev , Mark Leznik , Kyle Chard , Ian Foster

In today's business landscape, organizations need to find the right balance between using their customers' data ethically to power AI solutions and being compliant regarding data privacy and data usage regulations. In this paper, we discuss…

计算机与社会 · 计算机科学 2025-03-18 Aditi Godbole

In this research, we introduce an innovative method for synthesizing medical images using generative adversarial networks (GANs). Our proposed GANs method demonstrates the capability to produce realistic synthetic images even when trained…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Yinqiu Feng , Bo Zhang , Lingxi Xiao , Yutian Yang , Tana Gegen , Zexi Chen

The adversarial methods showed advanced performance by producing synthetic images to mitigate the domain shift, a common problem due to the hardship of acquiring labelled data in medical field. Most existing studies focus on modifying the…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Xinwen Zhang , Chaoyi Zhang , Dongnan Liu , Qianbi Yu , Weidong Cai

Simulated environments are increasingly used by trading firms and investment banks to evaluate trading strategies before approaching real markets. Backtesting, a widely used approach, consists of simulating experimental strategies while…

This paper concerns with the production of synthetic phasor measurement unit (PMU) data for research and education purposes. Due to the confidentiality of real PMU data and no public access to the real power systems infrastructure…

信号处理 · 电气工程与系统科学 2018-12-11 Xiangtian Zheng , Bin Wang , Le Xie

Predicting human daily behavior is challenging due to the complexity of routine patterns and short-term fluctuations. While data-driven models have improved behavior prediction by leveraging empirical data from various platforms and…

机器学习 · 计算机科学 2025-05-26 Haoxin Li , Jingtao Ding , Jiahui Gong , Yong Li