Electrical resistivity tomography (ERT) or electrical resistivity imaging (ERI) is a geophysical technique for imaging sub-surface structures from electrical resistivity measurements made at the surface, or by electrodes in one or more boreholes.

Electrical resistance tomography (ERT) is a process visualization technique. It has the advantages of non-radiation, non-invasiveness and fast response, and has

2012年10月1日 · The image reconstruction for ERT is an inverse problem to find the conductivity distribution of an object by measuring the voltage between sets of electrodes placed around its periphery. The conjugate gradient (CG) method is one of the most popular methods applied for image reconstruction, although its convergence rate is low.

2022年4月1日 · In this paper, we propose a novel 1D-MBCNN for ERT image reconstruction that can retain the sequence information of the measured voltage and enable a more accurate nonlinear mapping relationship between the voltage and conductivity through three different branches for ERT image reconstruction.

In this article, we propose a novel Monte Carlo (MC)-Net ML scheme to quantitatively estimate the uncertainty of the ERT image reconstruction by introducing the MC dropout strategy with a multiple stochastic method to approximate Bayesian inference.

2018年10月16日 · Image reconstruction is a key problem for electrical resistance tomography (ERT). Because of the soft-field nature and the ill-posed problem in solving inverse problem, traditional image reconstruction methods cannot achieve high accuracy and the process is usually time consuming.

ERT images after a testing interval of 1 hr and 26 min. Top figure shows the resistivity structure of the subsurface, where high resistivity values (red) indicate the presence of multiple holes....

2018年5月24日 · Electrical resistance tomography (ERT) has been considered as a data collection and image reconstruction method in many multi-phase flow application areas due to its advantages of high speed, low cost and being non-invasive.

Electrical resistivity tomography (ERT) is a popular geophysical subsurface-imaging technique and widely applied to mineral prospecting, hydrological exploration, environmental investigation and civil engineering, as well as archaeological mapping.

2023年12月14日 · Compared with previous studies, using PyMERRY in south-central Bhutan allows a more accurate interpretation of ERT images. It confirms a high-resistivity contrast across the topographic frontal thrust and reveals the existence of small-scale variations.