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The effectiveness of biosignal generation and data augmentation with biosignal generative models based on generative adversarial networks (GANs), which are a type of deep learning technique, was demonstrated in our previous paper. GAN-based…

机器学习 · 计算机科学 2023-03-03 Shota Harada , Hideaki Hayashi , Seiichi Uchida

Conditional time series generation plays a critical role in addressing data scarcity and enabling causal analysis in real-world applications. Despite its increasing importance, the field lacks a standardized and systematic benchmarking…

机器学习 · 计算机科学 2026-03-06 Shaocheng Lan , Shuqi Gu , Zhangzhi Xiong , Kan Ren

We present a continual learning approach for generative adversarial networks (GANs), by designing and leveraging parameter-efficient feature map transformations. Our approach is based on learning a set of global and task-specific…

机器学习 · 计算机科学 2021-08-02 Sakshi Varshney , Vinay Kumar Verma , Srijith P K , Lawrence Carin , Piyush Rai

Exploiting learning algorithms under scarce data regimes is a limitation and a reality of the medical imaging field. In an attempt to mitigate the problem, we propose a data augmentation protocol based on generative adversarial networks. We…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Ahmad B Qasim , Ivan Ezhov , Suprosanna Shit , Oliver Schoppe , Johannes C Paetzold , Anjany Sekuboyina , Florian Kofler , Jana Lipkova , Hongwei Li , Bjoern Menze

Time series data generation has drawn increasing attention in recent years. Several generative adversarial network (GAN) based methods have been proposed to tackle the problem usually with the assumption that the targeted time series data…

机器学习 · 计算机科学 2021-11-17 Hengzhi Pei , Kan Ren , Yuqing Yang , Chang Liu , Tao Qin , Dongsheng Li

The scarcity of data depicting dangerous situations presents a major obstacle to training AI systems for safety-critical applications, such as construction safety, where ethical and logistical barriers hinder real-world data collection.…

人工智能 · 计算机科学 2025-05-21 Vu Dinh Xuan , Hao Vo , David Murphy , Hoang D. Nguyen

Agent-based models used in scenario planning for transportation and urban planning usually require detailed population information from the base as well as target scenarios. These populations are usually provided by synthesizing fake agents…

机器学习 · 计算机科学 2025-10-02 Tanay Rastogi , Daniel Jonsson

As a new way of training generative models, Generative Adversarial Nets (GAN) that uses a discriminative model to guide the training of the generative model has enjoyed considerable success in generating real-valued data. However, it has…

机器学习 · 计算机科学 2017-08-28 Lantao Yu , Weinan Zhang , Jun Wang , Yong Yu

When researchers develop new econometric methods it is common practice to compare the performance of the new methods to those of existing methods in Monte Carlo studies. The credibility of such Monte Carlo studies is often limited because…

计量经济学 · 经济学 2020-07-23 Susan Athey , Guido Imbens , Jonas Metzger , Evan Munro

Modeling large-scale time series has gained significant attention in recent years. However, its direct application in finance remains challenging due to substantial differences in data characteristics across domains. Specifically, financial…

人工智能 · 计算机科学 2025-10-22 Yuanjian Xu , Anxian Liu , Jianing Hao , Zhenzhuo Li , Shichang Meng , Guang Zhang

Currently, semantic segmentation shows remarkable efficiency and reliability in standard scenarios such as daytime scenes with favorable illumination conditions. However, in face of adverse conditions such as the nighttime, semantic…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Lei Sun , Kaiwei Wang , Kailun Yang , Kaite Xiang

Synthetic data generation becomes prevalent as a solution to privacy leakage and data shortage. Generative models are designed to generate a realistic synthetic dataset, which can precisely express the data distribution for the real…

机器学习 · 计算机科学 2021-04-22 Bingyang Wen , Luis Oliveros Colon , K. P. Subbalakshmi , R. Chandramouli

Recent advancements in generative artificial intelligence have introduced groundbreaking approaches to innovating next-generation semantic communication, which prioritizes conveying the meaning of a message rather than merely transmitting…

人工智能 · 计算机科学 2025-05-19 Achintha Wijesinghe , Weiwei Wang , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding

Generative Adversarial Networks (GANs) should produce synthetic data that fits the underlying distribution of the data being modeled. For real valued time-series data, this implies the need to simultaneously capture the static distribution…

机器学习 · 计算机科学 2024-05-14 Joe Beck , Subhadeep Chakraborty

Scenario-based testing is becoming increasingly important in safety assurance for automated driving. However, comprehensive and sufficiently complete coverage of the scenario space requires significant effort and resources if using only…

软件工程 · 计算机科学 2023-07-24 Christoph Glasmacher , Michael Schuldes , Hendrik Weber , Nicolas Wagener , Lutz Eckstein

Across domains, metrics and measurements are fundamental to identifying challenges, informing decisions, and resolving conflicts. Despite the abundance of data available in this information age, not only can it be challenging for a single…

Nowadays, financial data analysis is becoming increasingly important in the business market. As companies collect more and more data from daily operations, they expect to extract useful knowledge from existing collected data to help make…

人工智能 · 计算机科学 2016-09-13 Fan Cai , Nhien-An Le-Khac , M-T. Kechadi

Generating high-fidelity time series data using generative adversarial networks (GANs) remains a challenging task, as it is difficult to capture the temporal dependence of joint probability distributions induced by time-series data. Towards…

机器学习 · 计算机科学 2024-04-09 Hang Lou , Siran Li , Hao Ni

Generative adversarial networks (GANs) were initially proposed to generate images by learning from a large number of samples. Recently, GANs have been used to emulate complex physical systems such as turbulent flows. However, a critical…

计算物理 · 物理学 2020-11-24 Zeng Yang , Jin-Long Wu , Heng Xiao

In this paper, we present a machine learning-based data generator framework tailored to aid researchers who utilize simulations to examine various physical systems or processes. High computational costs and the resulting limited data often…

机器学习 · 计算机科学 2023-05-17 Sabber Ahamed , Md Mesbah Uddin