Table 3.

Mean and standard deviation of the RMSE over the whole grid for each acquisition protocol and each of the estimated parameters

RMSE (μ; σ)	f	$D_{\mathrm{a}}[\mathrm{\mu }{\text{m}}^2/\text{ms}]$	$D_{\mathrm{e}}^{\Vert }[\mathrm{\mu }{\text{m}}^2/\text{ms}]$	$D_{\mathrm{e}}^{\perp }[\mathrm{\mu }{\text{m}}^2/\text{ms}]$	$c_2=f(\kappa )$
SDE	0.14; 0.12	0.74; 0.43	0.51; 0.33	0.33; 0.27	0.13; 0.08
${\text{DDE}}_{40+20}$	0.10; 0.10	0.39; 0.30	0.41; 0.31	0.29; 0.25	0.08; 0.07
${\text{DDE}}_{30+30}$	0.11; 0.10	0.39; 0.29	0.42; 0.30	0.30; 0.25	0.08; 0.07
${\text{DDE}}_{20+40}$	0.11; 0.10	0.40; 0.30	0.43; 0.31	0.31; 0.25	0.08 ; 0.07
${\text{DDE}}_{0+60}$	0.20; 0.13	0.72; 0.38	0.65; 0.28	0.46; 0.27	0.18; 0.11