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Table 3 Values of maximum, minimum, metal-free region TV, and NPE in reconstructions of bag #3

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 −0.3776 1.2154 1144.3 4.7415
1000 0.004 0 −0.0843 1.0329 891.2476 1.6540
1000 0 5 −0.0191 1.1270 1025.8 0.3326
1000 0.004 5 −0.0223 1.0872 964.3871 0.3294