Data-Driven Signal–Noise Classification for Microseismic Data Using Machine Learning
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It is necessary to monitor, acquire, preprocess, and classify microseismic data to understand active faults or other causes of earthquakes, thereby facilitating the preparation of early-warning earthquake systems. Accordingly, this study proposes the application of machine learning for signal–noise classification of microseismic data from Pohang, South Korea. For the first time, unique microseismic data were obtained from the monitoring system of the borehole station PHBS8 located in Yongcheon-ri, Pohang region, while hydraulic stimulation was being conducted. The collected data were properly preprocessed and utilized as training and test data for supervised and unsupervised learning methods: random forest, convolutional neural network, and K-medoids clustering with fast Fourier transform. The supervised learning methods showed 100% and 97.4% of accuracy for the training and test data, respectively. The unsupervised method showed 97.0% accuracy. Consequently, the results from machine learning validated that automation based on the proposed supervised and unsupervised learning applications can classify the acquired microseismic data in real time.
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AI has emerged as a crucial tool for signal processing and noise reduction in wearable devices by identifying patterns in sensor data, detecting anomalies, and distinguishing between signal and noise.
“AI has emerged as a crucial tool for signal processing and noise reduction in wearable devices by identifying patterns in sensor data, detecting anomalies, and distinguishing between signal and noise [200,201].”
From The emergence of AI-based wearable sensors for digital health technology: a review (2023) · cites this paper as [200]
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- Authors
- Kim, S., Yoon, B., Lim, J.-T., & Kim, M.
- Affiliations
- Korea Institute of Geoscience and Mineral Resources (KR)
- SmartMind, Inc., C-201, 47 Maeheon-ro 8-gil, Seocho-gu, Seoul 06770, Korea
- Corresponding author
- Yoon, Byungjoon
- Venue
- Energies
- Publisher
- MDPI AG
- Published
- 2021-03-09
- Volume
- 14
- Issue
- 5
- Pages
- 1499
- ISSN
- 1996-1073 (ISSN-L)
- OpenAlex
- W3135224336
- Cited by
- 19
- References
- 57
- Citations by year
- 2025: 4 · 2024: 3 · 2023: 6 · 2022: 5 · 2021: 1
- FWCI
- 1.33
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Energies (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Korea Institute of Geoscience and Mineral Resources (GP2020-025)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Seismology and Earthquake Studies
- Physical Sciences › Engineering › Mechanical Engineering › Hydraulic Fracturing and Reservoir Analysis
- Physical Sciences › Engineering › Mechanics of Materials › Geotechnical and Geomechanical Engineering
- Keywords
- microseismic data, hydraulic stimulation, borehole monitoring, earthquake early warning, random forest, convolutional neural networks, K-medoids clustering, fast Fourier transform, real-time classification, Pohang
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