Research Article
Investigation of Attenuation Correction for Small-Animal Single Photon Emission Computed Tomography
Table 1
Assessing the results after corrections of rat-sized phantom with five different parameters.
| | Mean | CV | RMSE | NRMSE | MPE |
| Original | 0.53612 | 0.03770 | 0.06675 | 0.11129 | | SC only | 0.37846 | 0.05251 | 0.22217 | 0.37045 | | Chang + SC | 0.58165 | 0.04194 | 0.03035 | 0.05060 | | CTAC + SC | 0.60398 | 0.04257 | 0.02603 | 0.04340 | 0.00706 | CTIACR + SC | 0.60757 | 0.02789 | 0.01865 | 0.03110 | 0.01305 | CTMAC + SC | 0.62259 | 0.03755 | 0.03267 | 0.05448 | 0.03810 |
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The true value of the activity concentration is 0.5997 MBq/mL.
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