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Fig. 5 | BioMedical Engineering OnLine

Fig. 5

From: Reference-free determination of tissue absorption coefficient by modulation transfer function characterization in spatial frequency domain

Fig. 5

Comparisons between the MTF-ETRs (red stem) for the μ a -determination and the measurement errors of the simulated MTFs (blue line) for the reduced scattering coefficients of a \(\mu^{\prime}_{s}\) = 0.4 mm−1, b \(\mu^{\prime}_{s}\) = 1.0 mm−1, c \(\mu^{\prime}_{s}\) = 1.4 mm−1, and d \(\mu^{\prime}_{s}\) = 2.0 mm−1 at the spatial frequency of f x  = 0.07 mm−1

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