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Table 5 Values of maximum, minimum, metal-free region TV, and NPE in reconstructions of bag #5

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 −0.0347 0.4676 472.6624 0.3366
1000 0.004 0 −0.0371 0.5137 220.4515 0.0558
1000 0 5 −0.0340 0.5487 225.6903 0.0201
1000 0.004 5 −0.0344 0.5041 220.1787 0.0222