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요약정보
重力异常AlexNet深度神经网络反演 / Inversion of Gravity Anomaly Based on AlexNet Deep Neural Network
Resource Type
Academic Journal
Authors
刘彩云
;
李梦迪
;
熊杰
;
王蓉
;
LIU Caiyun
;
LI Mengdi
;
XIONG Jie
;
WANG Rong
Source
现代地质 / Geoscience
. 37(1):164-172
Subject
重力异常
反演
深度神经网络
Alex反演网络
Language
Chinese
ISSN
1000-8527
Online Access
Find it @ DONGA
초록
针对传统反演方法存在的初始模型依赖、计算时间较长等问题,提出了一种新的基于AlexNet深度神经网络的重力异常反演方法.该方法首先借鉴经典的深度神经网络AlexNet设计了一种用于重力异常反演的Alex反演网络(AlexInv-Net),接着设计大量密度异常体模型并通过正演计算得到带标签的数据集,然后用该数据集训练AlexInvNet网络,最后将重力异常数据输入训练好的AlexInvNet网络直接得到反演结果.理论模型反演结果表明,该方法相较于全连接网络深度学习反演方法,能够更好地反演出异常体的位置和密度,具有较好的泛化能力和抗噪声能力.实测数据反演结果表明,该方法能有效解决重力异常反演问题.
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