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Quantum generative adversarial networks (QGANs) have been investigated as a method for generating synthetic data with the goal of augmenting training data sets for neural networks. This is especially relevant for financial time series,…

The recent availability of electronic health records (EHRs) have provided enormous opportunities to develop artificial intelligence (AI) algorithms. However, patient privacy has become a major concern that limits data sharing across…

机器学习 · 计算机科学 2023-02-01 Jin Li , Benjamin J. Cairns , Jingsong Li , Tingting Zhu

One of the limiting factors in training data-driven, rare-event prediction algorithms is the scarcity of the events of interest resulting in an extreme imbalance in the data. There have been many methods introduced in the literature for…

机器学习 · 计算机科学 2021-05-18 Yang Chen , Dustin J. Kempton , Azim Ahmadzadeh , Rafal A. Angryk

Multivariate time series are ubiquitous objects in signal processing. Measuring a distance or similarity between two such objects is of prime interest in a variety of applications, including machine learning, but can be very difficult as…

Wound prognostic models not only provide an estimate of wound healing time to motivate patients to follow up their treatments but also can help clinicians to decide whether to use a standard care or adjuvant therapies and to assist them…

Generative moment matching networks (GMMNs) are introduced as dependence models for the joint innovation distribution of multivariate time series (MTS). Following the popular copula-GARCH approach for modeling dependent MTS data, a…

统计方法学 · 统计学 2021-10-05 Marius Hofert , Avinash Prasad , Mu Zhu

Despite various breakthroughs in machine learning and data analysis techniques for improving smart operation and management of urban water infrastructures, some key limitations obstruct this progress. Among these shortcomings, the absence…

机器学习 · 计算机科学 2023-02-01 Amin E. Bakhshipour , Alireza Koochali , Ulrich Dittmer , Ali Haghighi , Sheraz Ahmad , Andreas Dengel

Generative models have been successfully used in the field of time series generation. However, when dealing with long-term time series, which span over extended periods and exhibit more complex long-term temporal patterns, the task of…

机器学习 · 计算机科学 2025-09-01 Xuan Hou , Shuhan Liu , Zhaohui Peng , Yaohui Chu , Yue Zhang , Yining Wang

Deep generative models are increasingly used to gain insights in the geospatial data domain, e.g., for climate data. However, most existing approaches work with temporal snapshots or assume 1D time-series; few are able to capture…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Konstantin Klemmer , Sudipan Saha , Matthias Kahl , Tianlin Xu , Xiao Xiang Zhu

Deep generative models are proficient in generating realistic data but struggle with producing rare samples in low density regions due to their scarcity of training datasets and the mode collapse problem. While recent methods aim to improve…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Subeen Lee , Jiyeon Han , Soyeon Kim , Jaesik Choi

Understanding the temporal dynamics of Earth's surface is a mission of multi-temporal remote sensing image analysis, significantly promoted by deep vision models with its fuel -- labeled multi-temporal images. However, collecting,…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Zhuo Zheng , Shiqi Tian , Ailong Ma , Liangpei Zhang , Yanfei Zhong

Modeling lies at the core of both the financial and the insurance industry for a wide variety of tasks. The rise and development of machine learning and deep learning models have created many opportunities to improve our modeling toolbox.…

机器学习 · 计算机科学 2023-01-04 Yves-Cédric Bauwelinckx , Jan Dhaene , Tim Verdonck , Milan van den Heuvel

Prediction of human actions in social interactions has important applications in the design of social robots or artificial avatars. In this paper, we focus on a unimodal representation of interactions and propose to tackle interaction…

神经与进化计算 · 计算机科学 2022-09-13 Louis Airale , Dominique Vaufreydaz , Xavier Alameda-Pineda

Data scarcity and sparsity in bio-manufacturing poses challenges for accurate model development, process monitoring, and optimization. We aim to replicate and capture the complex dynamics of industrial bioprocesses by proposing the use of a…

新兴技术 · 计算机科学 2025-10-21 Shawn M. Gibford , Mohammad Reza Boskabadi , Christopher J. Savoie , Seyed Soheil Mansouri

GANs are able to perform generation and manipulation tasks, trained on a single video. However, these single video GANs require unreasonable amount of time to train on a single video, rendering them almost impractical. In this paper we…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Niv Haim , Ben Feinstein , Niv Granot , Assaf Shocher , Shai Bagon , Tali Dekel , Michal Irani

Time series data is prevalent in a wide variety of real-world applications and it calls for trustworthy and explainable models for people to understand and fully trust decisions made by AI solutions. We consider the problem of building…

机器学习 · 计算机科学 2020-11-25 Tsung-Yu Hsieh , Suhang Wang , Yiwei Sun , Vasant Honavar

Human generation has achieved significant progress. Nonetheless, existing methods still struggle to synthesize specific regions such as faces and hands. We argue that the main reason is rooted in the training data. A holistic human dataset…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Jianglin Fu , Shikai Li , Yuming Jiang , Kwan-Yee Lin , Wayne Wu , Ziwei Liu

The modeling of time series is becoming increasingly critical in a wide variety of applications. Overall, data evolves by following different patterns, which are generally caused by different user behaviors. Given a time series, we define…

机器学习 · 计算机科学 2022-07-13 Wenjie Hu , Jianping Huang , Liang Wu , Yang Yang , Zongtao Liu , Zhanlin Sun , Bingshen Yao , Ke Chen

For the last years, time-series mining has become a challenging issue for researchers. An important application lies in most monitoring purposes, which require analyzing large sets of time-series for learning usual patterns. Any deviation…

机器学习 · 计算机科学 2007-05-23 Florence Duchene , Catherine Garbay , Vincent Rialle

This paper proposes a novel fault diagnosis approach based on generative adversarial networks (GAN) for imbalanced industrial time series where normal samples are much larger than failure cases. We combine a well-designed feature extractor…

机器学习 · 计算机科学 2022-06-17 Wenqian Jiang , Cheng Cheng , Beitong Zhou , Guijun Ma , Ye Yuan