Algorithm 1 Algorithm flow of LF reconstruction. |
Input: Voltage measurement: ; Sensitivity matrix: ; Regularization parameter: ; Proportion of anomaly area p.
Output: Conductivity Set: .
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Begin
Step 1: Reconstruct the initial using Equation (6);
Step 2: Estimate the binary distribution of Layer 1 by Equation (10);
Step 3: Estimate the voltage change in Layer 1 by Equations (13), (14) and (16);
Step 4: Calculate the voltage change in Layer 2 by Equation (12);
Step 5: Reconstruct the conductivity distribution of Layer 2 by Equation (6), and sharpen according to existing conditions:
if p is known then
Filter the distribution by Equation (18)
else
Filter the distribution by Equation (17)
end if
Step 6: Fusion multiple layers and by Equations (19), (24) and (25).
End
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