Fig. 6

Comparisons between the MTF-ETRs (red stem) and the measurement errors of the simulated MTFs (blue line) for the reduced scattering coefficient of \(\mu^{\prime}_{s}\) = 1.4 mm⁻¹ at the spatial frequencies of a f _x  = 0.07 mm⁻¹, b f _x  = 0.13 mm⁻¹, c f _x  = 0.19 mm⁻¹, and d f _x  = 0.25 mm⁻¹