Seismic resolution improving by a sequential convolutional neural network

Zhenyu Yuan, Yuxin Jiang, Zheli An, Weibin Ma and Yong Wang

PLOS ONE, 2024, vol. 19, issue 6, 1-17

Abstract: Thin-bed soft rock is one of the main factors causing large deformations of tunnels. In addition to relying on some innovative construction techniques, detecting thin beds early during surface geological exploration and advanced geological prediction can provide a basis for planning and implementing effective coping measures. The commonly used seismic methods cannot meet the requirement for thin beds detection accuracy. A high-resolution (HR) seismic signal processing method is proposed by introducing a sequential convolutional neural network (SCNN). The deep learning dataset including low-resolution (LR) and HR seismic is firstly prepared through forward modeling. Then, a one-dimension (1D) SCNN architecture is proposed to establish the mapping relationship between LR and HR sequences. Training on the prepared dataset, the HR seismic processing model with high accuracy is achieved and applied to some practical seismic data. The applications on both poststack and prestack seismic data demonstrate that the trained HR processing model can effectively improve the seismic resolution and restore the high-frequency seismic energy so that to recognize the thin-bed rocks.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0304981

DOI: 10.1371/journal.pone.0304981

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