Figure 4. Fitting Extended Tofts-Kety model parameters to the noise-free QIBA v4 phantom.
The RMS error was 6.97% for Ktrans (A, D), 18.0% for ve (B, E), and 23.8% for vp (C, F); CCCs were >0.999, 0.890, and >0.999, respectively.
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