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A method for reconstructing logging curves based on Characterization-enhanced Variational Autoencoder

delete2025-10-14
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PRE
AI
X
Xialin Zhang
J
Jizhen Qu *
王
王振江 (Zhenjiang Wang)
Y
Yang Liu
Z
Zhanglin Li
L
Liangyu Wang
DOI:10.1007/s12145-025-02030-5delete
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摘要

摘要

En 中文
测井数据是地质勘探中的关键资源。然而,在实际测井作业中,由于仪器问题或地质条件,数据丢失、异常或失真现象时常发生,这对后续的地质解释和资源评价构成了挑战。本文提出了一种基于特征增强变分自编码器(Characterisation-enhanced Variational Autoencoder, CEVAE)的测井曲线重构新方法。该方法通过整合测井地质先验知识、提出属性特征交叉策略,并引入高效通道注意力机制(Efficient Channel Attention, ECA)以及平面流(PlanarFlow)标准化流,来增强模型对测井数据潜在变量的表征能力。此外,我们设计了自适应的编码器和解码器架构,以进一步提升表征学习效果。在真实的铀矿测井数据集上,我们提出的模型表现优异,验证了CEVAE模型在从多属性角度解决缺失值问题方面的有效性和优越性,并显著提高了重构精度。
Keyword:
Log curve reconstruction
Variational autoencoder
Channel expansion
Latent variable representation enhancement

期刊

Earth Science Informatics 封面图
Earth Science Informatics
IF:
3
论文数:
665
被引数:
3.3K

机构

S
School of Computer Science
学者数:
894
论文数: 427
被引数: 0
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