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Deep Learning Inversion for Multivariate Magnetic Data
DOI:10.1109/TGRS.2023.3337413.png)
摘要
En 中文
Three-dimensional inversion of magnetic data can obtain the distribution of subsurface magnetic targets. Deep learning is an effective way to achieve 3-D inversion, which trains a neural network to learn the features of magnetic anomaly data and then generates a 3-D model based on these features. Large training samples are required to achieve persuasive results due to the limited observational data and the multisolution nature of the inverse problem. To reduce the nonuniqueness of the inversion, this article proposes a multivariate magnetic data-based deep learning 3-D inversion strategy. With the proposed strategy, more domain knowledge is incorporated into the training data of the neural network to improve the inversion accuracy. The input data of the neural network adopt multivariate observation data, including multiscale data and multitype data such as magnetic three-component data, magnetic gradient tensor data, and so on, and output a 3-D model to realize 3-D to 3-D mapping. Then, the neural network structure uses the 3-D convolution to extract 3-D spatial information. Both tests on simulation and measured data verify that the proposed strategy can effectively improve the accuracy of the 3-D magnetic inversion.
Keyword:
Three-dimensional displays
Magnetic domains
Solid modeling
Data models
Neural networks
Mathematical models
Feature extraction
3-D convolution
3-D magnetic inversion
deep learning
multivariate data
期刊
IF:
8.6
论文数:
2.1W
被引数:
10.7W
机构
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C
IF0
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IF37.3

