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Table 1 Values of maximum, minimum, metal-free region TV, and NPE in reconstructions of bag #1

From: A projection-domain iterative algorithm for metal artifact reduction by minimizing the total-variation norm and the negative-pixel energy

Iterations β1 β2 Min Max TV NPE
0, raw FBP NA NA −0.1591 1.2781 1501.4 3.1231
1000 0.004 0 −0.1365 1.0643 835.6338 0.3426
1000 0 5 −0.0133 1.1837 1014.6 0.0631
1000 0.004 5 −0.0134 1.1408 869.5945 0.0712