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Table 4 Matrix \(\varvec{S}\) indexes of the two algorithms under two-step iteration in numerical validation

From: A novel time-difference electrical impedance tomography algorithm using multi-frequency information

SNRIndexSCDSL
Target 0Target 1Target 2Target 3Target 4Target 0Target 1Target 2Target 3Target 4
60 dBRank1181281321251337676767676
Cond78.7097.9985.45118.17107.0597.85137.3999.3989.4290.53
80 dBRank1201261301321367676767676
Cond79.3686.1391.31124.9395.25107.1291.8091.8094.4489.18