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Author:

Lang, Shinan (Lang, Shinan.) | Huang, Wenbin (Huang, Wenbin.) | Huang, Ling (Huang, Ling.) | Liu, Xiaojun (Liu, Xiaojun.)

Indexed by:

EI Scopus SCIE

Abstract:

Among the inversion methods for airborne transient electromagnetic (ATEM) data, the hybrid inversion method integrates the iterative optimization framework with artificial neural networks (ANNs), ensuring inversion accuracy while enhancing the generalization capability of neural networks. However, this method faces challenges in terms of slow computation speeds due to its lower updated step length and the lack of consideration for electromagnetic response laws. Our method adopts a supervised descent method (SDM) framework to supervise the ANNs, obtaining a longer updated step length. On the basis of the SDM framework, we have considered the electromagnetic response laws and designed RNN-ResNet and 1-D-UNet networks to update the conductivity model, improving the computing speed. Through numerical ablation experiments, we validated the effectiveness of our proposed method and compared the inversion results with those obtained using the traditional hybrid method. Additionally, we conducted tests on bundle fringe distribution, inversion fitting loss, noise sensitivity, and inversion speed for both methods using measured data to evaluate their performance in practical applications. The experimental findings demonstrate that our method achieves the same level of inversion accuracy and generalization ability as the traditional hybrid method while enhancing inversion speed by up to 68.5%.

Keyword:

Airborne transient electromagnetic (ATEM) data inversion Iterative methods rapid inversion method controlled-source electromagnetics (CSEM) Conductivity Accuracy encoder-decoder structure supervised descent method (SDM) Data models Optimization Atmospheric modeling Electromagnetics

Author Community:

  • [ 1 ] [Lang, Shinan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Huang, Wenbin]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Huang, Ling]Chinese Acad Sci, Inst Elect, Key Lab Electromagnet Radiat & Sensing Technol, Beijing 100094, Peoples R China
  • [ 4 ] [Liu, Xiaojun]Chinese Acad Sci, Inst Elect, Key Lab Electromagnet Radiat & Sensing Technol, Beijing 100094, Peoples R China
  • [ 5 ] [Huang, Ling]Chinese Acad Sci, Aerosp Informat Res Inst AIRCAS, Beijing 100094, Peoples R China
  • [ 6 ] [Liu, Xiaojun]Chinese Acad Sci, Aerosp Informat Res Inst AIRCAS, Beijing 100094, Peoples R China

Reprint Author's Address:

  • [Huang, Ling]Chinese Acad Sci, Inst Elect, Key Lab Electromagnet Radiat & Sensing Technol, Beijing 100094, Peoples R China;;[Huang, Ling]Chinese Acad Sci, Aerosp Informat Res Inst AIRCAS, Beijing 100094, Peoples R China;;

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Source :

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING

ISSN: 0196-2892

Year: 2024

Volume: 62

8 . 2 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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