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Deep learning models are widely employed in safety-critical applications yet remain susceptible to adversarial attacks -- imperceptible perturbations that can significantly degrade model performance. Conventional defense mechanisms…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Eylon Mizrahi , Raz Lapid , Moshe Sipper

In recent years, applying deep learning (DL) to assess structural damages has gained growing popularity in vision-based structural health monitoring (SHM). However, both data deficiency and class-imbalance hinder the wide adoption of DL in…

机器学习 · 计算机科学 2022-11-30 Yuqing Gao , Pengyuan Zhai , Khalid M. Mosalam

Automating arrhythmia detection from ECG requires a robust and trusted system that retains high accuracy under electrical disturbances. Many machine learning approaches have reached human-level performance in classifying arrhythmia from…

信号处理 · 电气工程与系统科学 2022-10-14 Khondker Fariha Hossain , Sharif Amit Kamran , Alireza Tavakkoli , Xingjun Ma

Since their inception in 2014, Generative Adversarial Networks (GANs) have rapidly emerged as powerful tools for generating realistic and diverse data across various domains, including computer vision and other applied areas. Consisting of…

Generative Adversarial Networks (GANs) are proficient at generating synthetic data but continue to suffer from mode collapse, where the generator produces a narrow range of outputs that fool the discriminator but fail to capture the full…

机器学习 · 计算机科学 2025-11-03 Mahsa Valizadeh , Rui Tuo , James Caverlee

The external visual inspections of rolling stock's underfloor equipment are currently being performed via human visual inspection. In this study, we attempt to partly automate visual inspection by investigating anomaly inspection algorithms…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Yohei Baba , Takuro Hoshi , Ryosuke Mori , Gaurang Gavai

Event-based cameras are bio-inspired novel sensors that asynchronously record changes in illumination in the form of events, thus resulting in significant advantages over conventional cameras in terms of low power utilization, high dynamic…

机器学习 · 统计学 2020-02-18 Lakshmi Annamalai , Anirban Chakraborty , Chetan Singh Thakur

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Generating synthetic data for financial time series poses challenges, especially considering their non-stationary nature. Traditional statistical time series models normally assume weak stationarity. However, this assumption can constrain…

计算工程、金融与科学 · 计算机科学 2026-05-22 Marco Gregnanin , Johannes De Smedt , Giorgio Gnecco , Maurizio Parton

Nowadays, multi-sensor technologies are applied in many fields, e.g., Health Care (HC), Human Activity Recognition (HAR), and Industrial Control System (ICS). These sensors can generate a substantial amount of multivariate time-series data.…

人工智能 · 计算机科学 2021-08-03 Yuxin Zhang , Yiqiang Chen , Jindong Wang , Zhiwen Pan

Generative adversarial networks (GANs) studies have grown exponentially in the past few years. Their impact has been seen mainly in the computer vision field with realistic image and video manipulation, especially generation, making…

机器学习 · 计算机科学 2021-07-26 Eoin Brophy , Zhengwei Wang , Qi She , Tomas Ward

Generative adversarial networks (GANs) are emerging machine learning models for generating synthesized data similar to real data by jointly training a generator and a discriminator. In many applications, data and computational resources are…

机器学习 · 计算机科学 2021-07-20 Jinke Ren , Chonghe Liu , Guanding Yu , Dongning Guo

The emergence of deep generative models has recently enabled the automatic generation of massive amounts of graphical content, both in 2D and in 3D. Generative Adversarial Networks (GANs) and style control mechanisms, such as Adaptive…

图形学 · 计算机科学 2020-04-28 Omry Sendik , Dani Lischinski , Daniel Cohen-Or

Generating time series data using Generative Adversarial Networks (GANs) presents several prevalent challenges, such as slow convergence, information loss in embedding spaces, instability, and performance variability depending on the series…

机器学习 · 计算机科学 2024-09-24 MohammadReza EskandariNasab , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

We propose a framework of generative adversarial networks with multiple discriminators, which collaborate to represent a real dataset more effectively. Our approach facilitates learning a generator consistent with the underlying data…

机器学习 · 计算机科学 2024-04-04 Jinyoung Choi , Bohyung Han

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

We present a deep learning model for data-driven simulations of random dynamical systems without a distributional assumption. The deep learning model consists of a recurrent neural network, which aims to learn the time marching structure,…

机器学习 · 计算机科学 2022-04-12 Kyongmin Yeo , Zan Li , Wesley M. Gifford

This work considers a practical semi-supervised graph anomaly detection (GAD) scenario, where part of the nodes in a graph are known to be normal, contrasting to the extensively explored unsupervised setting with a fully unlabeled graph. We…

机器学习 · 计算机科学 2024-12-20 Hezhe Qiao , Qingsong Wen , Xiaoli Li , Ee-Peng Lim , Guansong Pang

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

Detecting anomalies in multivariate time-series data is essential in many real-world applications. Recently, various deep learning-based approaches have shown considerable improvements in time-series anomaly detection. However, existing…

机器学习 · 计算机科学 2022-01-31 Kyeong-Joong Jeong , Yong-Min Shin