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Fig. 1
Flowchart of conductivity reconstruction with the OO-SME model.
Fig. 2
Mesh, conductivity of background- and object-fields
Fig. 3
Voltage changes of different objects in the simulation.
Fig. 4
Reconstructed conductivity based on different conductivity reconstruction models in the simulation. (a) Object-fields; (b) Linear model; (c) Sensitivity updating model; (d) Second-order sensitivity model; (e) OO-SME model.
Fig. 5
Comparison of RA of reconstructed conductivity based on the linear model, sensitivity updating model, second-order sensitivity model, and OO-SME model in the simulation.
Fig. 6
Experimental setup of EIT system
Fig. 7
Voltage changes of different objects in the experiment.
Fig. 8
Reconstructed conductivity based on different conductivity reconstruction models in the experiment. (a) Object-fields; (b) Linear model; (c) Sensitivity updating model; (d) Second-order sensitivity model; (e) OO-SME model.
Fig. 9
Comparison of RA of reconstructed conductivity based on the linear model, sensitivity updating model, second-order sensitivity model, and OO-SME model in the experiment.
Fig. 10
Comparison between ΔU* and u(Δσ) based on different conductivity reconstruction models in the simulation.
Fig. 11
Comparison of components of u(Δσ) with different objects in the simulation.
Fig. 12
Comparison of sensitivity based on different conductivity reconstruction models in the simulation. (a) Object-field; (b) Sb in linear model; (c) Sb* in sensitivity updating model; (d) Sb + Sb† in second-order sensitivity model; (e) So* in OO-SME model.
Fig. 13
Comparison of sensitivity based on different conductivity reconstruction models in the experiment. (a) Object-field; (b) Sb in linear model; (c) Sb* in sensitivity updating model; (d) Sb + Sb† in second-order sensitivity model; (e) So* in OO-SME model.