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Table 1 Statistical and error analyses of the retrieved absorption coefficients

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

Expected absorption coefficient (\(\mu_{a}^{expect}\)) [mm−1] Mean (\(\mu_{a}^{mean}\)) [mm−1] Variance [mm−2] Error (e) [%]
\(\mu^{\prime}_{s}\) = 1.0 \(\mu^{\prime}_{s}\) = 2.0 \(\mu^{\prime}_{s}\) = 1.0 \(\mu^{\prime}_{s}\) = 2.0 \(\mu^{\prime}_{s}\) = 1.0 \(\mu^{\prime}_{s}\) = 2.0
0.0100 0.0104 0.0093 7.2 × 10−7 6.8 × 10−7 4.00 7.00
0.0200 0.0200 0.0203 1.9 × 10−6 5.1 × 10−7 0.00 1.50
0.0300 0.0310 0.0297 3.7 × 10−6 1.7 × 10−6 3.33 1.00
0.0400 0.0397 0.0388 6.0 × 10−6 2.8 × 10−6 0.75 3.00
0.0500 0.0507 0.0498 1.5 × 10−5 1.3 × 10−6 1.04 0.40
0.0600 0.0626 0.0584 2.3 × 10−5 7.2 × 10−6 4.33 2.67
0.0700 0.0734 0.0691 2.2 × 10−5 1.0 × 10−5 4.86 1.29