Fig. 6From: A novel time-difference electrical impedance tomography algorithm using multi-frequency informationPhantom experiment reconstructed images of the two algorithms: a real target setup. b, c Reconstructed images of b the DLS algorithm and c the proposed SC algorithm under one-step and two-step iteration. For each image, the color bar represents the range of the conductivity change, and the numbers represent the maximum range of change. The unit is S/mBack to article page