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Over the past years, Generative Adversarial Networks (GANs) have shown a remarkable generation performance especially in image synthesis. Unfortunately, they are also known for having an unstable training process and might loose parts of…

机器学习 · 计算机科学 2019-11-18 Teodora Pandeva , Matthias Schubert

Fault diagnosis plays an essential role in reducing the maintenance costs of rotating machinery manufacturing systems. In many real applications of fault detection and diagnosis, data tend to be imbalanced, meaning that the number of…

机器学习 · 计算机科学 2022-03-30 Masoud Jalayer , Amin Kaboli , Carlotta Orsenigo , Carlo Vercellis

Generative Adversarial Networks (GANs) are powerful models able to synthesize data samples closely resembling the distribution of real data, yet the diversity of those generated samples is limited due to the so-called mode collapse…

计算机视觉与模式识别 · 计算机科学 2023-06-26 Jan Dubiński , Kamil Deja , Sandro Wenzel , Przemysław Rokita , Tomasz Trzciński

This study delves into the application of Generative Adversarial Networks (GANs) within the context of imbalanced datasets. Our primary aim is to enhance the performance and stability of GANs in such datasets. In pursuit of this objective,…

机器学习 · 计算机科学 2023-12-11 Ali Anaissi , Yuanzhe Jia , Ali Braytee , Mohamad Naji , Widad Alyassine

A surrogate model that accurately predicts distribution system voltages is crucial for reliable smart grid planning and operation. This letter proposes a fixed-point data-driven surrogate modeling method that employs a limited dataset to…

系统与控制 · 电气工程与系统科学 2024-01-01 Hoang Tien Nguyen , Young-Jin Kim , Dae-Hyun Choi

Time-varying non-stationary channels, with complex dynamic variations and temporal evolution characteristics, have significant challenges in channel modeling and communication system performance evaluation. Most existing methods of…

信号处理 · 电气工程与系统科学 2025-03-19 Keying Guo , Ruisi He , Mi Yang , Yuxin Zhang , Bo Ai , Haoxiang Zhang , Jiahui Han , Ruifeng Chen

Typical engineering design tasks require the effort to modify designs iteratively until they meet certain constraints, i.e., performance or attribute requirements. Past work has proposed ways to solve the inverse design problem, where…

机器学习 · 计算机科学 2021-03-11 Amin Heyrani Nobari , Wei Chen , Faez Ahmed

Truncation is widely used in generative models for improving the quality of the generated samples, at the expense of reducing their diversity. We propose to leverage the StyleGAN generative architecture to devise a new truncation technique,…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Oren Katzir , Vicky Perepelook , Dani Lischinski , Daniel Cohen-Or

In ill-posed imaging inverse problems, there can exist many hypotheses that fit both the observed measurements and prior knowledge of the true image. Rather than returning just one hypothesis of that image, posterior samplers aim to explore…

图像与视频处理 · 电气工程与系统科学 2024-11-04 Matthew C. Bendel , Rizwan Ahmad , Philip Schniter

Most deep learning classification studies assume clean data. However, when dealing with the real world data, we encounter three problems such as 1) missing data, 2) class imbalance, and 3) missing label problems. These problems undermine…

机器学习 · 计算机科学 2019-05-29 Uiwon Hwang , Dahuin Jung , Sungroh Yoon

Generative adversarial network (GAN) has been shown to be useful in various applications, such as image recognition, text processing and scientific computing, due its strong ability to learn complex data distributions. In this study, a…

地球物理 · 物理学 2021-09-14 Tianhao He , Dongxiao Zhang

Generative Adversarial Networks (GANs) have become a powerful approach for generative image modeling. However, GANs are notorious for their training instability, especially on large-scale, complex datasets. While the recent work of BigGAN…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Ting-Yun Chang , Chi-Jen Lu

Image generation has raised tremendous attention in both academic and industrial areas, especially for the conditional and target-oriented image generation, such as criminal portrait and fashion design. Although the current studies have…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Songyao Jiang , Hongfu Liu , Yue Wu , Yun Fu

Controllable generation is one of the key requirements for successful adoption of deep generative models in real-world applications, but it still remains as a great challenge. In particular, the compositional ability to generate novel…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Weili Nie , Arash Vahdat , Anima Anandkumar

Synthetic data is becoming an increasingly promising technology, and successful applications can improve privacy, fairness, and data democratization. While there are many methods for generating synthetic tabular data, the task remains…

机器学习 · 计算机科学 2023-02-27 Alexander Norcliffe , Bogdan Cebere , Fergus Imrie , Pietro Lio , Mihaela van der Schaar

Determining conditional independence (CI) relationships between random variables is a fundamental yet challenging task in machine learning and statistics, especially in high-dimensional settings. Existing generative model-based CI testing…

机器学习 · 计算机科学 2025-05-30 Yixin Ren , Chenghou Jin , Yewei Xia , Li Ke , Longtao Huang , Hui Xue , Hao Zhang , Jihong Guan , Shuigeng Zhou

Flight diversions are rare but high-impact events in aviation, making their reliable prediction vital for both safety and operational efficiency. However, their scarcity in historical records impedes the training of machine learning models…

机器学习 · 计算机科学 2026-04-23 Karim Aly , Alexei Sharpanskykh , Jacco Hoekstra

Flow-based generative models, such as diffusion models and flow matching models, have achieved remarkable success in learning complex data distributions. However, a critical gap remains for their deployment in safety-critical domains: the…

机器学习 · 计算机科学 2026-03-02 Darshan Gadginmath , Ahmed Allibhoy , Fabio Pasqualetti

Recently, generative machine-learning models have gained popularity in physics, driven by the goal of improving the efficiency of Markov chain Monte Carlo techniques and of exploring their potential in capturing experimental data…

统计力学 · 物理学 2021-09-03 Japneet Singh , Vipul Arora , Vinay Gupta , Mathias S. Scheurer

Bearings are one of the vital components of rotating machines that are prone to unexpected faults. Therefore, bearing fault diagnosis and condition monitoring is essential for reducing operational costs and downtime in numerous industries.…