Table 1 Fitting parameters for the RC curve for the 30 × 4 reconstruction with a 12-mm Gaussian filter
From: Quantitative SPECT/CT imaging of lead-212: a phantom study
RCmean, 30 × 4 | Parameter | Value | Standard error | Fractional standard error (%) |
|---|---|---|---|---|
ME 239Â keV | b1 | 14.14Â ml | 0.7270Â ml | 5 |
b2 | 0.8903 | 0.0449 | 5 | |
ME 79Â keV | b1 | 256.9Â ml | 40.56Â ml | 16 |
b2 | 0.559 | 0.0278 | 5 | |
HE 239Â keV | b1 | 38.29Â ml | 3.153Â ml | 8 |
b2 | 0.7067 | 0.0376 | 5 | |
HE 79Â keV | b1 | 231.5Â ml | 35.03Â ml | 15 |
b2 | 0.5639 | 0.0278 | 5 |