Table 4 Values of maximum, minimum, metal-free region TV, and NPE in reconstructions of bag #4
Iterations | β1 | β2 | Min | Max | TV | NPE |
|---|---|---|---|---|---|---|
0, raw FBP | NA | NA | −0.1868 | 1.3204 | 1379.1 | 1.9616 |
1000 | 0.004 | 0 | −0.0757 | 1.2775 | 1006.9 | 0.4434 |
1000 | 0 | 5 | −0.0155 | 1.3992 | 1226.9 | 0.1255 |
1000 | 0.004 | 5 | −0.0164 | 1.4060 | 1062.4 | 0.1379 |