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Table 1 Recovered conductivity values of the first phantom from the reconstructed CTI images

From: Validation of conductivity tensor imaging using giant vesicle suspensions with different ion mobilities

ROI High-frequency conductivity (\(\sigma _\text{H}\)) Extracellular volume fraction (\(\alpha\)) Extracellular diffusion coefficient (\(d_\text{e}^\text{w}\)) Intracellular diffusion coefficient (\(d_\text{i}^\text{w}\)) Scale factor (\(\eta\)) Low-frequency conductivity
\(C_{xx}\) \(C_{yy}\) \(C_{zz}\)
Giant vesicle suspension \(1.89 \pm 0.02\) \(0.13\pm 0.04\) \(1.93\pm 0.12\) \(0.98\pm 0.10\) \(0.21\pm 0.04\) \(0.29\pm 0.05\) \(0.30\pm 0.07\) \(0.29\pm 0.05\)
Electrolyte #1 \(1.86\pm 0.04\) \(1.00\pm 0.02\) \(2.90\pm 0.01\) \(0.64\pm 0.01\) \(1.45\pm 0.04\)
Electrolyte #2 \(1.11\pm 0.04\) \(2.85\pm 0.02\) \(0.38\pm 0.01\) \(0.85\pm 0.03\)
  1. Mean and standard deviation (SD) values of the diagonal components of the conductivity tensor \(\mathbf{C}\) and the intermediate variables including the high-frequency conductivity \(\sigma _\text{H}\), extracellular volume fraction \(\alpha\), extracellular water diffusion coefficient \(d_\text{e}^\text{w}\), intracellular water diffusion coefficient \(d_\text{i}^\text{w}\) and scale factor \(\eta\). The \(\text{mean} \pm \text{SD}\) values were computed from all pixels within each ROI