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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

As the number of seismic sensors grows, it is becoming increasingly difficult for analysts to pick seismic phases manually and comprehensively, yet such efforts are fundamental to earthquake monitoring. Despite years of improvements in…

地球物理 · 物理学 2021-08-30 Weiqiang Zhu , Gregory C. Beroza

Seismic wave arrival time measurements form the basis for numerous downstream applications. State-of-the-art approaches for phase picking use deep neural networks to annotate seismograms at each station independently, yet human experts…

地球物理 · 物理学 2023-12-01 Hongyu Sun , Zachary E. Ross , Weiqiang Zhu , Kamyar Azizzadenesheli

We proposed a robust segmentation and picking workflow to solve the first arrival picking problem for seismic signal processing. Unlike traditional classification algorithm, image segmentation method can utilize the location information by…

图像与视频处理 · 电气工程与系统科学 2021-04-08 Pengyu Yuan , Wenyi Hu , Xuqing Wu , Jiefu Chen , Hien Van Nguyen

First-break picking is a pivotal procedure in processing microseismic data for geophysics and resource exploration. Recent advancements in deep learning have catalyzed the evolution of automated methods for identifying first-break.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Haowen Bai , Zixiang Zhao , Jiangshe Zhang , Yukun Cui , Chunxia Zhang , Zhenbo Guo , Yongjun Wang

First-break picking is an essential step in seismic data processing. First arrivals should be picked by an expert. This is a time-consuming procedure and subjective to a certain degree, leading to different results for different operators.…

Distributed Acoustic Sensing (DAS) is an emerging technology for earthquake monitoring and subsurface imaging. The recorded seismic signals by DAS have several distinct characteristics, such as unknown coupling effects, strong anthropogenic…

地球物理 · 物理学 2023-03-16 Weiqiang Zhu , Ettore Biondi , Jiaxuan Li , Jiuxun Yin , Zachary E. Ross , Zhongwen Zhan

Real-time semantic segmentation plays a significant role in industry applications, such as autonomous driving, robotics and so on. It is a challenging task as both efficiency and performance need to be considered simultaneously. To address…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Haiyang Si , Zhiqiang Zhang , Feifan Lv , Gang Yu , Feng Lu

Earthquake detection and seismic phase picking not only play a crucial role in travel time estimation of body waves(P and S waves) but also in the localisation of the epicenter of the corresponding event. Generally, manual phase picking is…

Continuous microseismic monitoring of hydraulic fracturing is commonly used in many engineering, environmental, mining, and petroleum applications. Microseismic signals recorded at the surface, suffer from excessive noise that complicates…

In seismic exploration, identifying the first break (FB) is a critical component in establishing subsurface velocity models. Various automatic picking techniques based on deep neural networks have been developed to expedite this procedure.…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Hongtao Wang , Rongyu Feng , Liangyi Wu , Mutian Liu , Yinuo Cui , Chunxia Zhang , Zhenbo Guo

Contemporary automatic first break (FB) picking methods typically analyze 1D signals, 2D source gathers, or 3D source-receiver gathers. Utilizing higher-dimensional data, such as 2D or 3D, incorporates global features, improving the…

机器学习 · 计算机科学 2024-04-15 Hongtao Wang , Li Long , Jiangshe Zhang , Xiaoli Wei , Chunxia Zhang , Zhenbo Guo

This paper presents a novel pre-processing scheme to improve the prediction of sand fraction from multiple seismic attributes such as seismic impedance, amplitude and frequency using machine learning and information filtering. The available…

计算工程、金融与科学 · 计算机科学 2015-10-06 Soumi Chaki , Aurobinda Routray , William K. Mohanty

Spiking Neural Networks (SNNs), as an emerging biologically inspired computational model, demonstrate significant energy efficiency advantages due to their event-driven information processing mechanism. Compared to traditional Artificial…

神经与进化计算 · 计算机科学 2025-08-18 Changqing Xu , Buxuan Song , Yi Liu , Xinfang Liao , Wenbin Zheng , Yintang Yang

Spiking neural networks (SNNs) offer advantages in computational efficiency via event-driven computing, compared to traditional artificial neural networks (ANNs). While direct training methods tackle the challenge of non-differentiable…

神经与进化计算 · 计算机科学 2025-08-21 Hangming Zhang , Zheng Li , Qiang Yu

Spiking Neural Networks (SNNs) can do inference with low power consumption due to their spike sparsity. ANN-SNN conversion is an efficient way to achieve deep SNNs by converting well-trained Artificial Neural Networks (ANNs). However, the…

神经与进化计算 · 计算机科学 2023-03-24 Xiang He , Yang Li , Dongcheng Zhao , Qingqun Kong , Yi Zeng

Spiking neural networks (SNNs) present a promising energy efficient alternative to traditional Artificial Neural Networks (ANNs) due to their multiplication-free operations enabled by binarized intermediate activations. However, this…

神经与进化计算 · 计算机科学 2024-10-15 Xiaoting Wang , Yanxiang Zhang

Reliable automatic phase picking is important for many seismic applications. With the development of machine learning approaches, many algorithms are proposed, evaluated and applied to different areas. Many of these algorithms are single…

Seismic phase picking, which aims to determine the arrival time of P- and S-waves according to seismic waveforms, is fundamental to earthquake monitoring. Generally, manual phase picking is trustworthy, but with the increasing number of…

地球物理 · 物理学 2024-10-22 Yuchen Wang , Ruihuan Wang

Seismic velocity picking algorithms that are both accurate and efficient can greatly speed up seismic data processing, with the primary approach being the use of velocity spectra. Despite the development of some supervised deep…

机器学习 · 计算机科学 2024-04-15 H. T. Wang , J. S. Zhang , C. X. Zhang , Z. X. Zhao , W. F. Geng
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