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Deep neural networks face numerous challenges in hyperspectral image classification, including high-dimensional data, sparse ground object distributions, and spectral redundancy, which often lead to classification overfitting and limited…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Guandong Li , Mengxia Ye

Deep learning is fast emerging as a potential disruptive tool to tackle longstanding research problems across the sciences. Notwithstanding its success across disciplines, the recent trend of the overuse of deep learning is concerning to…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Umair bin Waheed , Ahmed Shaheen , Mike Fehler , Ben Fulcher

The accurate and automated determination of earthquake locations is still a challenging endeavor. However, such information is critical for monitoring seismic activity and assessing potential hazards in real time. Recently, a convolutional…

地球物理 · 物理学 2020-03-03 Xiong Zhang , Jie Zhang , Congcong Yuan , Sen Liu , Zhibo Chen , Weiping Li

In this work, we introduce a new methodology to construct a network of epicenters that avoids problems found in well-established methodologies when they are applied to global catalogs of earthquakes located in shallow zones. The new…

地球物理 · 物理学 2020-04-14 Douglas S. R. Ferreira , Jennifer Ribeiro , Andrés R. R. Papa , Ronaldo Menezes

Management and efficient operations in critical infrastructure such as Smart Grids take huge advantage of accurate power load forecasting which, due to its nonlinear nature, remains a challenging task. Recently, deep learning has emerged in…

机器学习 · 计算机科学 2019-07-23 Alberto Gasparin , Slobodan Lukovic , Cesare Alippi

Seismic full-waveform inversion (FWI) techniques aim to find a high-resolution subsurface geophysical model provided with waveform data. Some recent effort in data-driven FWI has shown some encouraging results in obtaining 2D velocity maps.…

机器学习 · 计算机科学 2022-05-04 Qili Zeng , Shihang Feng , Brendt Wohlberg , Youzuo Lin

This study introduces a WaveNet-based deep learning model designed to automate the classification of intracranial electroencephalography (iEEG) signals into physiological activity, pathological (epileptic) activity, power-line noise, and…

机器学习 · 计算机科学 2026-01-14 Casper van Laar , Khubaib Ahmed

In a recent study (Jozinovi\'c et al, 2020) we showed that convolutional neural networks (CNNs) applied to network seismic traces can be used for rapid prediction of earthquake peak ground motion intensity measures (IMs) at distant stations…

地球物理 · 物理学 2021-12-15 Dario Jozinović , Anthony Lomax , Ivan Štajduhar , Alberto Michelini

One of the most significant challenges involved in efforts to understand the effects of repeated earthquake cycle activity are the computational costs of large-scale viscoelastic earthquake cycle models. Computationally intensive…

地球物理 · 物理学 2017-05-03 Phoebe R. DeVries , T. Ben Thompson , Brendan J. Meade

Recent applications of deep learning in the seismic domain have shown great potential in different areas such as inversion and interpretation. Deep learning algorithms, in general, require tremendous amounts of labeled data to train…

图像与视频处理 · 电气工程与系统科学 2019-06-03 Motaz Alfarraj , Ghassan AlRegib

We propose a predictive neural network architecture that can be utilized to update reference velocity models as inputs to the full waveform inversion. Deep learning models are explored to augment velocity model building workflows during…

图像与视频处理 · 电气工程与系统科学 2019-10-08 Ping Lu , Yanyan Zhang , Jianxiong Chen , Yuan Xiao , George Zhao

We investigate the potential of stochastic neural networks for learning effective waveform-based acoustic models. The waveform-based setting, inherent to fully end-to-end speech recognition systems, is motivated by several comparative…

机器学习 · 统计学 2021-08-17 Dino Oglic , Zoran Cvetkovic , Peter Sollich

FourCastNeXt is an optimization of FourCastNet - a global machine learning weather forecasting model - that performs with a comparable level of accuracy and can be trained using around 5% of the original FourCastNet computational…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Edison Guo , Maruf Ahmed , Yue Sun , Rui Yang , Harrison Cook , Tennessee Leeuwenburg , Ben Evans

High rate Global Navigation Satellite System (HR GNSS) data can be highly useful for earthquake analysis as it provides continuous high-rate measurements of ground motion. This data can be used to estimate the magnitude, to assess the…

地球物理 · 物理学 2023-04-21 Claudia Quinteros Cartaya , Jonas Koehler , Wei Li , Johannes Faber , Nishtha Srivastava

The ionosphere is a critical component of near-Earth space, shaping GNSS accuracy, high-frequency communications, and aviation operations. For these reasons, accurate forecasting and modeling of ionospheric variability has become…

Accurate atmospheric wind field information is crucial for various applications, including weather forecasting, aviation safety, and disaster risk reduction. However, obtaining high spatiotemporal resolution wind data remains challenging…

机器学习 · 计算机科学 2025-10-21 Yuchen Ye , Chaoxia Yuan , Mingyu Li , Aoqi Zhou , Hong Liang , Chunqing Shang , Kezuan Wang , Yifeng Zheng , Cong Chen

Earthquake nowcasting has been proposed as a means of tracking the change in large earthquake potential in a seismically active area. The method was developed using observable seismic data, in which probabilities of future large earthquakes…

地球物理 · 物理学 2024-06-21 John B. Rundle , Geoffrey Fox , Andrea Donnellan , Lisa Grant Ludwig

The analysis of multivariate time series data is challenging due to the various frequencies of signal changes that can occur over both short and long terms. Furthermore, standard deep learning models are often unsuitable for such datasets,…

机器学习 · 计算机科学 2023-06-21 Iman Deznabi , Madalina Fiterau

Precipitation nowcasting, which predicts rainfall up to a few hours ahead, is a critical tool for vulnerable communities in the Global South frequently exposed to intense, rapidly developing storms. Timely forecasts provide a crucial window…

This study explores the use of deep learning for predicting the time averaged shear wave velocity in the top 30 m of the subsurface ($V_{s30}$) at strong motion recording stations in T\"urkiye. $V_{s30}$ is a key parameter in site…

机器学习 · 计算机科学 2025-03-10 Baris Yilmaz , Erdem Akagündüz , Salih Tileylioglu