HCVT-Net: A hybrid CNN-Transformer network for self-supervised 3D seismic data interpolation

IF 2.1 3区 地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY
Xinyang Wang , Jun Ma , Xintong Dong , Ming Cheng
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引用次数: 0

Abstract

Seismic data acquisition is an essential step for seismic exploration, constituting a substantial portion of the seismic exploration budget. To reduce the data acquisition overhead, it is an effective approach to acquire sparse seismic signals and interpolate the complete seismic data using designed interpolation methods. As a trending interpolation method, convolutional neural networks (CNN)-based methods have attracted much attention and shown some success in seismic interpolation. However, due to the local perception of CNN, these methods mainly focus on extracting local features, neglecting the global features of seismic data and limiting the performance. Additionally, most of these CNN-based methods work in a supervised manner, requiring high-quality paired training data and lacking generalization capability across different seismic data, which is challenging for 3D seismic data interpolation. Aiming at these problems, we propose a hybrid CNN-Transformer network (HCVT-Net) for 3D seismic data interpolation in this paper. Specifically, we design a CNN-based Encoder–Decoder structure to enable the network to learn local features at different resolutions. Meanwhile, we propose an improved Vision Transformer and deploy it to the CNN-based structure to enhance the extraction ability of global features. Finally, we adopt a self-supervised training strategy to alleviate the dependence on the high-quality paired data. Experimental results demonstrate that our method achieves better interpolation performance than competitive methods.
HCVT-Net:用于自监督三维地震数据插值的CNN-Transformer混合网络
地震数据采集是地震勘探的重要环节,是地震勘探预算的重要组成部分。为了减少数据采集开销,利用设计好的插值方法获取稀疏地震信号并对完整的地震数据进行插值是一种有效的方法。基于卷积神经网络(CNN)的方法作为一种趋势插值方法,在地震插值中受到了广泛的关注并取得了一定的成功。然而,由于CNN的局部感知,这些方法主要侧重于提取局部特征,忽略了地震数据的全局特征,限制了性能。此外,这些基于cnn的方法大多以监督方式工作,需要高质量的成对训练数据,缺乏跨不同地震数据的泛化能力,这对三维地震数据插值来说是一个挑战。针对这些问题,本文提出了一种用于三维地震数据插值的混合CNN-Transformer网络(HCVT-Net)。具体来说,我们设计了一个基于cnn的编码器-解码器结构,使网络能够在不同分辨率下学习局部特征。同时,我们提出了一种改进的Vision Transformer,并将其部署到基于cnn的结构中,以增强全局特征的提取能力。最后,我们采用自监督训练策略来减轻对高质量成对数据的依赖。实验结果表明,该方法具有较好的插值性能。
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来源期刊
Journal of Applied Geophysics
Journal of Applied Geophysics 地学-地球科学综合
CiteScore
3.60
自引率
10.00%
发文量
274
审稿时长
4 months
期刊介绍: The Journal of Applied Geophysics with its key objective of responding to pertinent and timely needs, places particular emphasis on methodological developments and innovative applications of geophysical techniques for addressing environmental, engineering, and hydrological problems. Related topical research in exploration geophysics and in soil and rock physics is also covered by the Journal of Applied Geophysics.
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