Zhong Tie, Ye Yuxin
Key Laboratory of Modern Power System Simulation and Control and Renewable Energy Technology (Ministry of Education), Department of Communication Engineering, College of Electric Engineering, Northeast Electric Power University, Jilin, 132012, China.
Sci Rep. 2025 Feb 1;15(1):3979. doi: 10.1038/s41598-025-87481-y.
Due to complex acquisition environments and geological conditions, in desert seismic data, the background noise is always intense and overlaps with the frequency range of the seismic signals. This severely blurs the seismic signals, bringing challenges to accurately extract desired reflection information. Effectively suppressing random noise and significantly optimizing the signal-to-noise ratio (SNR) is emerging as a key issue in seismic data processing. A Multi-scale Feature Interaction Enhancement Network (MFIEN) for intense background seismic noise attenuation in desert areas is proposed in this paper to address this problem. In general, MFIEN has a multi-scale feature interaction structure that combines feature information from different layers and captures distinct features through effective information integration. Furthermore, a fusion feature enhancement module (FFEM), incorporating dilated convolutions and convolutions with different kernel sizes, is proposed. This expands the receptive field without changing the size of the feature maps, thereby preserving the structural features of seismic records more effectively. Both synthetic and field desert data denoising results indicate that MFIEN can accurately suppress intense background noise and effectively recover weak signals, significantly enhancing the quality of seismic data.
由于采集环境和地质条件复杂,在沙漠地震数据中,背景噪声总是很强,且与地震信号的频率范围重叠。这严重模糊了地震信号,给准确提取所需反射信息带来了挑战。有效抑制随机噪声并显著优化信噪比(SNR)正成为地震数据处理中的一个关键问题。本文提出了一种用于沙漠地区强背景地震噪声衰减的多尺度特征交互增强网络(MFIEN)来解决这一问题。一般来说,MFIEN具有多尺度特征交互结构,该结构结合了来自不同层的特征信息,并通过有效的信息整合捕获不同的特征。此外,还提出了一种融合特征增强模块(FFEM),它结合了空洞卷积和不同核大小的卷积。这在不改变特征图大小的情况下扩大了感受野,从而更有效地保留了地震记录的结构特征。合成数据和野外沙漠数据去噪结果均表明,MFIEN能够准确抑制强背景噪声并有效恢复微弱信号,显著提高地震数据质量。