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Schematic flow of image-based reference EIT.
Step 1:
Defining the filtering method to eliminate the muscle’s conductivity distribution and unexpected noise background
Obtain:Equation (4)
Step 2:
Using voltage data t = 0 as an initial conductivity distribution, selecting the mesh of SAT on the forward problem mesh condition, calculating the fat weighted threshold value\overline {{{\hat \sigma}_{fat}}} + std\left({{{\hat \sigma}_{fat}}} \right)