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Table 5 Matrix \(\varvec{S}\) indexes of the two algorithms in the phantom study

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

Iteration number

Index

SC

DLS

Target 0

Target 1

Target 2

Target 0

Target 1

Target 2

One

Rank

76

76

76

76

76

76

Cond

84.62

84.62

84.62

84.64

84.64

84.64

Two

Rank

144

165

160

76

76

76

Cond

79.35

99.94

82.47

109.84

102.75

115.04