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Seismic event detection and phase picking are the base of many seismological workflows. In recent years, several publications demonstrated that deep learning approaches significantly outperform classical approaches and even achieve…

In this paper, we introduce a novel methodology for characterising the performance of deep learning networks (ResNets and DenseNet) with respect to training convergence and generalisation as a function of mini-batch size and learning rate…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Zhibin Liao , Tom Drummond , Ian Reid , Gustavo Carneiro

In this work, we present a new deep-learning model for microseismicity monitoring that utilizes continuous spatiotemporal relationships between seismic station recordings, forming an end-to-end pipeline for seismic catalog creation. It…

地球物理 · 物理学 2025-07-16 Matteo Bagagli , Francesco Grigoli , Davide Bacciu

Ultrasound Shear Wave Elastography (USWE) with conventional B-mode imaging demonstrates better performance in lesion segmentation and classification problems. In this article, we propose SHEAR-net, an end-to-end deep neural network, to…

图像与视频处理 · 电气工程与系统科学 2019-02-14 Tamim Ahmed , Md. Kamrul Hasan

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

The MyShake project aims to build a global smartphone seismic network to facilitate large-scale earthquake early warning and other applications by leveraging the power of crowdsourcing. The MyShake mobile application first detects…

地球物理 · 物理学 2022-06-09 Qingkai Kong , Robert Martin-Short , Richard M. Allen

Underwater fish detection (UFD) is a core capability for smart aquaculture and marine ecological monitoring. While recent detectors improve accuracy by stacking feature extractors or introducing heavy attention modules, they often incur…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Jinsong Yang , Zeyuan Hu , Yichen Li , Hong Yu

Accurate dynamic modeling is critical for autonomous racing vehicles, especially during high-speed and agile maneuvers where precise motion prediction is essential for safety. Traditional parameter estimation methods face limitations such…

机器人学 · 计算机科学 2026-03-17 Shiming Fang , Kaiyan Yu

In stress field analysis, the finite element analysis is a crucial approach, in which the mesh-density has a significant impact on the results. High mesh density usually contributes authentic to simulation results but costs more computing…

计算工程、金融与科学 · 计算机科学 2021-04-20 Qingfeng Xu , Zhenguo Nie , Handing Xu , Haosu Zhou , Xinjun Liu

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

Velocity picking, a critical step in seismic data processing, has been studied for decades. Although manual picking can produce accurate normal moveout (NMO) velocities from the velocity spectra of prestack gathers, it is time-consuming and…

计算机视觉与模式识别 · 计算机科学 2023-05-17 H. T. Wang , J. S. Zhang , Z. X. Zhao , C. X. Zhang , L. Li , Z. Y. Yang , W. F. Geng

Earthquake hypocenters form the basis for a wide array of seismological analyses. Pick-based earthquake location workflows rely on the accuracy of phase pickers and may be biased when dealing with complex earthquake sequences in…

地球物理 · 物理学 2022-10-14 Hongyu Sun , Yan Yang , Kamyar Azizzadenesheli , Robert W. Clayton , Zachary E. Ross

We present a novel approach for the problem of frequency estimation in data streams that is based on optimization and machine learning. Contrary to state-of-the-art streaming frequency estimation algorithms, which heavily rely on random…

数据结构与算法 · 计算机科学 2022-07-19 Dimitris Bertsimas , Vassilis Digalakis

In a previous work \citep{luo2016sparse2d_spej}, the authors proposed an ensemble-based 4D seismic history matching (SHM) framework, which has some relatively new ingredients, in terms of the type of seismic data in choice, the way to…

数据分析、统计与概率 · 物理学 2018-03-13 Xiaodong Luo , Tuhin Bhakta , Morten Jakobsen , Geir Nævdal

Seismic events, among many other natural hazards, reduce due functionality and exacerbate vulnerability of in-service buildings. Accurate modeling and prediction of building's response subjected to earthquakes makes possible to evaluate…

信号处理 · 电气工程与系统科学 2019-09-19 Ruiyang Zhang , Yang Liu , Hao Sun

We propose a new deep learning model, WaveCastNet, to forecast high-dimensional wavefields. WaveCastNet integrates a convolutional long expressive memory architecture into a sequence-to-sequence forecasting framework, enabling it to model…

机器学习 · 计算机科学 2025-10-28 Dongwei Lyu , Rie Nakata , Pu Ren , Michael W. Mahoney , Arben Pitarka , Nori Nakata , N. Benjamin Erichson

The classification of imbalanced data streams, which have unequal class distributions, is a key difficulty in machine learning, especially when dealing with multiple classes. While binary imbalanced data stream classification tasks have…

机器学习 · 计算机科学 2025-06-26 Soheil Abadifard , Fazli Can

Since the beginning of this century, the significant advancements in artificial intelligence and neural networks have offered the potential to bring new transformations to short-term earthquake prediction research. However, currently, there…

地球物理 · 物理学 2025-07-23 Zhiyu Xu , Qingliang Chen

We propose and test a method to reduce the dimensionality of Full Waveform Inversion (FWI) inputs as computational cost mitigation approach. Given modern seismic acquisition systems, the data (as input for FWI) required for an…

机器学习 · 计算机科学 2026-01-06 Maayan Gelboim , Amir Adler , Mauricio Araya-Polo

The detection and rapid characterisation of earthquake parameters such as magnitude are of prime importance in seismology, particularly in applications such as Earthquake Early Warning (EEW). Traditionally, algorithms such as STA/LTA are…