A review and appraisal of arrival-time picking methods for downhole microseismic data
We have evaluated arrival-time picking algorithms for downhole microseismic data. The
picking algorithms that we considered may be classified as window-based single-level …
picking algorithms that we considered may be classified as window-based single-level …
Target electromagnetic detection method in underground environment: A review
X Wang, P Wang, X Zhang, Y Wan, H Shi… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Underground target detection plays an important role in maintaining underground space
security and relies on efficient real-time detection methods. Electromagnetic detection …
security and relies on efficient real-time detection methods. Electromagnetic detection …
Automatic first-breaks picking: New strategies and algorithms
We have developed three methods for the automatic picking of first breaks that can be used
for marine, dynamite, or vibroseis shot records: a modified Coppens's method, an entropy …
for marine, dynamite, or vibroseis shot records: a modified Coppens's method, an entropy …
Reliable onset time determination and source location of acoustic emissions in concrete structures
Acoustic emission (AE) technique, as an effective method to monitor the crack
characterization in concrete materials is investigated in this paper. An improved approach …
characterization in concrete materials is investigated in this paper. An improved approach …
First-arrival picking with a U-net convolutional network
L Hu, X Zheng, Y Duan, X Yan, Y Hu, X Zhang - Geophysics, 2019 - library.seg.org
In exploration geophysics, the first arrivals on data acquired under complicated near-surface
conditions are often characterized by significant static corrections, weak energy, low signal …
conditions are often characterized by significant static corrections, weak energy, low signal …
Acoustic emission and artificial intelligence procedure for crack source localization
The acoustic emission (AE) technique is one of the most widely used in the field of structural
monitoring. Its popularity mainly stems from the fact that it belongs to the category of non …
monitoring. Its popularity mainly stems from the fact that it belongs to the category of non …
The use of wavelet-based denoising techniques to enhance the first-arrival picking on seismic traces
S Gaci - IEEE Transactions on Geoscience and Remote …, 2013 - ieeexplore.ieee.org
Arrival time picking is a critical step in the analysis of geophysical data. This study aims at
improving the standard short-term-average/long-term-average (STA/LTA) method using soft …
improving the standard short-term-average/long-term-average (STA/LTA) method using soft …
An improved automatic time-of-flight picker for medical ultrasound tomography
Objective and motivation Time-of-flight (TOF) tomography used by a clinical ultrasound
tomography device can efficiently and reliably produce sound–speed images of the breast …
tomography device can efficiently and reliably produce sound–speed images of the breast …
First-break timing: Arrival onset times by direct correlation
JB Molyneux, DR Schmitt - Geophysics, 1999 - library.seg.org
In attenuating media, pulse characteristics evolve with propagation distance and saturation
or pressure-dependent changes in rock properties. This nonstationarity of the waveform …
or pressure-dependent changes in rock properties. This nonstationarity of the waveform …
Intelligent location of microseismic events based on a fully convolutional neural network (FCNN)
As a 3D real-time monitoring method, microseismic (MS) monitoring technique has been
widely used in various underground engineering applications. However, in such …
widely used in various underground engineering applications. However, in such …