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Ensemble Deep Learning for Enhanced Seismic Data Reconstruction
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DOI：10.1109/TGRS.2024.3401832.png)
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摘要
En 中文
Seismic data often contain gaps due to various obstacles in the investigated area and recording instrument failures. Deep-learning techniques offer promising solutions for reconstructing missing data parts by utilizing existing data. Nonetheless, self-supervised methods frequently struggle with capturing under-represented features such as weaker events, crossing dips, and higher frequencies. To address these challenges, we propose a novel ensemble deep model (EDM) along with a tailored self-supervised training approach for reconstructing seismic data with consecutive missing traces. Our model comprises two branches of U-nets, each fed from distinct data transformation modules aimed at amplifying under-represented features and promoting diversity among learners. Our loss function minimizes relative errors at the outputs of individual branches and the entire model, ensuring accurate reconstruction of various features while maintaining overall data integrity. Additionally, we employ masking while training to enhance sample diversity and memory efficiency. Applications on two benchmark synthetic datasets and two real datasets demonstrate improved accuracy compared to a conventional U-net, successfully reconstructing weak events, diffractions, higher frequencies, and reflections covered by groundroll. Despite these advancements, our method does incur three times the training cost compared to a simple U-net.
Keyword:
Data models
Training
Predictive models
Diversity reception
Deep learning
Convolutional neural networks
Image reconstruction
Data reconstruction
ensemble model
gamma correction
groundroll
high frequency
interfering
interpolation
model diversity
model explainability
期刊
IF:
8.6
论文数:
2.1W
被引数:
10.7W
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