Table 2 Measurements obtained from the imaging parameters
From: Low-dose whole-spine imaging using slot-scan digital radiography: a phantom study
BH filter (mm) | Tube voltage (kV) | Tube current (mA) | Exposure time (ms) | ESD (µGy) | CNR | FOM |
|---|---|---|---|---|---|---|
0.0 | 80 | 400 | 4.5 | 151.01 | 0.012476 | 10.3073 × 10−7 |
90 | 400 | 2.8 | 128.51 | 0.011805 | 10.8441 × 10−7 | |
100 | 400 | 2.0 | 110.87 | 0.010008 | 9.0340 × 10−7 | |
110 | 400 | 1.4 | 104.02 | 0.009008 | 7.8011 × 10−7 | |
120 | 400 | 1.0 | 93.11 | 0.008111 | 7.0657 × 10−7 | |
0.1 | 80 | 400 | 6.3 | 118.60 | 0.009911 | 8.2829 × 10−7 |
90 | 400 | 3.2 | 88.99 | 0.008880 | 8.8610 × 10−7 | |
100 | 400 | 2.0 | 69.76 | 0.008497 | 10.3496 × 10−7 | |
110 | 400 | 1.6 | 67.13 | 0.006588 | 6.4653 × 10−7 | |
120 | 400 | 1.2 | 62.50 | 0.005658 | 5.1221 × 10−7 | |
0.2 | 80 | 400 | 7.1 | 101.04 | 0.008222 | 6.6906 × 10−7 |
90 | 400 | 4.5 | 82.42 | 0.007534 | 6.8868 × 10−7 | |
100 | 400 | 2.8 | 66.39 | 0.006834 | 7.0347 × 10−7 | |
110 | 400 | 1.8 | 60.82 | 0.005984 | 5.8876 × 10−7 | |
120 | 400 | 1.2 | 55.50 | 0.005572 | 5.5941 × 10−7 | |
0.3 | 80 | 400 | 9.0 | 85.55 | 0.006754 | 5.3322 × 10−7 |
90 | 400 | 5.6 | 72.08 | 0.006356 | 5.6047 × 10−7 | |
100 | 400 | 3.2 | 66.01 | 0.006141 | 5.7131 × 10−7 | |
110 | 400 | 2.2 | 60.04 | 0.006026 | 6.0481 × 10−7 | |
120 | 400 | 1.4 | 55.99 | 0.005711 | 5.8252 × 10−7 |