Issue 16

F. R. Renzetti et alii, Frattura ed Integrità Strutturale, 16 (2011) 43-51; DOI : 10.3221/IGF-ESIS.16.05 49 Figure 20 : Duplex cold rolled. Figure 21 : Energy 8 gray levels. Figure 22 : Energy 64 gray levels. Figure 23 : Entropy 8 gray levels. Figure 24 : Entropy 64 gray levels. Figure 25 : Mutual information 8 gray levels Figure 26 : Mutual information 64 gray levels. Figure 27 : Contrast 8 gray levels. Figure 28 : Contrast 64 gray levels. INDICATOR 8 gray levels 64 gray levels Min Max Min Max Energy 0,1800 0,8099 0,1667 0,3849 Entropy 1,2010 5,0033 3,4540 5,1699 Mutual Information -2,6615 -0,1315 -4,9267 -0,2022 Contrast 0,0278 15,5278 1,6944 1,1013e+03 Table 2 : Minimum and maximum values assumed by the indicators.