Search Results - "3D inversion algorithm"

An efficient three-dimensional (3D) inversion algorithm for recovering magnetic targets when remanence exists by Fang, Yuan, Li, Shuling, Liu, Guofeng, Meng, Xiaohong, Wang, Jun, Zheng, Shijing

“…In mineral exploration, the ores with different magnetic susceptibility can be well delineated by physical property inversion of magnetic data. However,…”
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Characterising dryland salinity in three dimensions by Jiang, Qingsong, Peng, Jie, Biswas, Asim, Hu, Jie, Zhao, Ruiying, He, Kang, Shi, Zhou

“…Due to frequent salt migration and large spatial variability within soil profiles, salinity characterisation by traditional drilling sampling methods is…”
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Three‐Dimensional Electrical Structure Beneath the Epicenter Zone and Seismogenic Setting of the 1976 Ms7.8 Tangshan Earthquake, China by Cai, Juntao, Chen, Xiaobin, Dong, Zeyi, Zhan, Yan, Liu, Zhongyin, Cui, Tengfa, Jiang, Feng

“…Based on magnetotelluric array data and the three‐dimensional (3D) inversion algorithm, we obtain the 3D electrical structure of the 1976…”
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An Accelerated Algorithm for 3D Inversion of Gravity Data Based on Improved Conjugate Gradient Method by Zhou, Shuai, Jia, Hongfa, Lin, Tao, Zeng, Zhaofa, Yu, Ping, Jiao, Jian

“…The 3D inversion algorithm for gravity data based on a smooth model constraint has been proven to yield a reasonable density distribution…”
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Estimating porosity distribution of a heterogeneous alluvial aquifer by GPU-accelerated 3D conditional stochastic inversion of common-offset GPR reflection data by Xu, Zhiwei, Zhu, Peimin, Liu, Yu, Guo, Shili, Liao, Zhiying

“…•A novel 3D conditional stochastic inversion of common-offset GPR data is proposed.•Multiple inverted CS realizations are generated and used to investigate…”
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Multiwavelength three-dimensional near-infrared tomography of the breast: initial simulation, phantom, and clinical results by Dehghani, Hamid, Pogue, Brian W, Poplack, Steven P, Paulsen, Keith D

“…Three-dimensional (3D), multiwavelength near-infrared tomography has the potential to provide new physiological information about biological tissue function…”
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3D linear inversion of magnetic susceptibility data acquired by frequency domain EMI by Thiesson, J., Tabbagh, A., Simon, F.-X., Dabas, M.

“…Low induction number EMI instruments are able to simultaneously measure a soil's apparent magnetic susceptibility and electrical conductivity. This family of…”
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Imaging of groundwater contamination using 3D joint inversion of electrical resistivity tomography and radio magnetotelluric data: A case study from Northern India by Devi, A., Israil, M., Singh, A., Gupta, Pravin K., Yogeshwar, P., Tezkan, B.

“…ABSTRACT The impact of untreated sewage irrigation and waste disposal practices on groundwater is investigated by 3D joint inversion of radio magnetotelluric…”
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Heterogeneity within the subducting Pacific slab beneath the Izu–Bonin–Mariana arc: Evidence from tomography using 3D ray tracing inversion techniques by Miller, M.S., Gorbatov, A., Kennett, B.L.N.

“… The distribution of seismic anomalies and the inferred geometry of the subducting Pacific plate have been modelled in unprecedented detail using joint tomography and new P-wave model using a 3D inversion algorithm…”
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3D Localization of Coal Fires Based on Self-Potential Data: Sandbox Experiments by Shao, Zhenlu, Deng, Rong, Zhou, Tao, Cao, Fei, Sun, Huahai, Chen, Long, Yuan, Yu, Zhong, Xiaoxing

“… In this paper, a 3D inversion algorithm is adopted to localize coal fires. This algorithm is first benchmarked on three synthetic cases to test the peculiar electrode configuration used in this study…”
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Detection of boulder using GEM-2 EM system based on three-dimensional inversion algorithm by Liu, Rong, Shen, Xiaowu, Chen, Chunfei, Liu, Jianxin, Xiao, Jianping, Sun, Mengyu, Guo, Rongwen

“…The granite body, or referred to as boulder, that shows high resistivity in the near-surface is a common geohazard in pipeline construction by trenchless…”
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Probing internal gradients dependence in sandstones with multi-dimensional NMR by Xiao, Lizhi, Liu, Huabing, Deng, Feng, Zhang, Zongfu, An, Tianlin, Zong, Fangrong, Anferov, Vladimir, Anferova, Sofia

“…[Display omitted] •Gin dependence on heterogeneity of sandstone structure is quantitatively studied.•3D pulse sequence is designed to encode T1, Gin, and T2 in…”
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3D Airborne Electromagnetic Data Inversion with Flight Altitude Correction by Zhang, Bo, Yin, Changchun, Han, Xue, Wang, Luyuan, Liu, Yunhe, Ren, Xiuyan, Su, Yang, Baranwal, Vikas Chand

“… into account the flight altitude, we develop in this paper a 3D inversion algorithm for AEM with the flight height…”
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3D parallel inversion of time-domain airborne EM data by Liu, Yun-He, Yin, Chang-Chun, Ren, Xiu-Yan, Qiu, Chang-Kai

“…To improve the inversion accuracy of time-domain airborne electromagnetic data, we propose a parallel 3D inversion algorithm for airborne EM data based on the direct Gauss–Newton optimization…”
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Estimating Three-Dimensional Resistivity Distribution with Magnetotelluric Data and a Deep Learning Algorithm by Liu, Xiaojun, Craven, James A., Tschirhart, Victoria, Grasby, Stephen E.

“…In this study, we describe a deep learning (DL)-based workflow for the three-dimensional (3D) geophysical inversion of magnetotelluric (MT) data. We derived a…”
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Full three-dimensional imaging via ground penetrating radar: assessment in controlled conditions and on field for archaeological prospecting by Catapano, Ilaria, Affinito, Antonio, Gennarelli, Gianluca, di Maio, Francesco, Loperte, Antonio, Soldovieri, Francesco

“… The advantages offered by the full 3D inversion algorithm with respect to a commonly adopted strategy, which produces 3D images by interpolating 2D reconstructions…”
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Three-Dimensional Inversion Algorithm with A Footprint Computational Domain for Underground Engineering by Ou, Jian, Zhou, Hua, Ou, Renwen, Li, Jianyuan, Liu, Chunming

“… In this paper, we propose a 3D inversion algorithm based on the footprint-guided compact finite element method and Gauss-Newton optimization to accurately delineate the 3D structure of granite boulders…”
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3D inversion of irregular gridded 2D electrical resistivity tomography lines: Application to sinkhole mapping at the Island of Corfu (West Greece) by Kim, Jung-Ho, Tsourlos, Panagiotis, Karmis, Petros, Vargemezis, George, Yi, Myeong‐Jong

“… A 3D inversion algorithm was specially modified to accommodate the full 3D processing of such lines…”
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Multiscale studies of electrical conductivity variations, Yerrida Basin, Capricorn Orogen, Western Australia: implications for geological mapping in sedimentary basins by Banaszczyk, Sasha, Piña-Varas, Perla, Dentith, Mike, Annetts, David

“…The Yerrida Basin in the south-eastern Capricorn Orogen, WA is a Proterozoic sedimentary basin that is prospective for base metals. A regional TEMPEST airborne…”
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An effective estimate for selecting the regularization parameter in the 3D inversion of magnetotelluric data by Ghaedrahmati, Reza, Moradzadeh, Ali, Moradpouri, Farzad

“… This scheme is applied in the well-known 3D inversion algorithm, WSInv3DMT, instead of the discrepancy…”
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