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Table 3 Matrix \(\varvec{S}\) indexes of the two algorithms under one-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 dBRank76767676767676767676
Cond87.8887.8887.8887.8887.8894.8784.6484.6484.6484.64
80 dBRank76767676767676767676
Cond87.8887.8887.8887.8887.8884.6484.6484.6484.6484.64