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Table 2 CI and ARI values calculated using ImageJ applied to the test images of Fig. 6

From: New parameter of roundness R: circularity corrected by aspect ratio

aspect ratio of test ellipse image CI ARI aspect ratio of test ellipse image CI ARI aspect ratio of test ellipse image CI ARI
10:10.0 0.911 1.000 10:6.9 0.871 1.449 10:3.8 0.668 2.626
10:9.9 0.905 1.010 10:6.8 0.867 1.471 10:3.7 0.654 2.711
10:9.8 0.912 1.020 10:6.7 0.860 1.493 10:3.6 0.646 2.775
10:9.7 0.913 1.031 10:6.6 0.856 1.515 10:3.5 0.634 2.860
10:9.6 0.912 1.042 10:6.5 0.855 1.539 10:3.4 0.621 2.936
10:9.5 0.913 1.054 10:6.4 0.851 1.560 10:3.3 0.609 3.038
10:9.4 0.909 1.064 10:6.3 0.845 1.588 10:3.2 0.599 3.116
10:9.3 0.910 1.075 10:6.2 0.842 1.612 10:3.1 0.583 3.230
10:9.2 0.909 1.087 10:6.1 0.836 1.641 10:3.0 0.570 3.335
10:9.1 0.910 1.099 10:6.0 0.832 1.665 10:2.9 0.558 3.439
10:9.0 0.904 1.110 10:5.9 0.826 1.694 10:2.8 0.545 3.573
10:8.9 0.906 1.123 10:5.8 0.822 1.724 10:2.7 0.530 3.696
10:8.8 0.904 1.136 10:5.7 0.815 1.756 10:2.6 0.516 3.847
10:8.7 0.909 1.149 10:5.6 0.810 1.785 10:2.5 0.503 3.984
10:8.6 0.902 1.161 10:5.5 0.807 1.816 10:2.4 0.486 4.172
10:8.5 0.905 1.175 10:5.4 0.798 1.851 10:2.3 0.470 4.338
10:8.4 0.898 1.190 10:5.3 0.791 1.887 10:2.2 0.453 4.549
10:8.3 0.901 1.205 10:5.2 0.777 1.924 10:2.1 0.438 4.755
10:8.2 0.897 1.219 10:5.1 0.780 1.959 10:2.0 0.422 5.009
10:8.1 0.898 1.234 10:5.0 0.773 2.002 10:1.9 0.405 5.236
10:8.0 0.891 1.250 10:4.9 0.761 2.039 10:1.8 0.386 5.570
10:7.9 0.893 1.265 10:4.8 0.758 2.082 10:1.7 0.369 5.860
10:7.8 0.886 1.281 10:4.7 0.748 2.127 10:1.6 0.350 6.260
10:7.7 0.892 1.298 10:4.6 0.741 2.173 11:1.5 0.334 6.636
10:7.6 0.886 1.315 10:4.5 0.733 2.221 12:1.4 0.31 7.15
10:7.5 0.89 1.33 10:4.4 0.72 2.27 13:1.3 0.29 7.64
10:7.4 0.88 1.35 10:4.3 0.72 2.32 14:1.2 0.27 8.34
10:7.3 0.88 1.37 10:4.2 0.7 2.38 15:1.1 0.25 8.98
10:7.2 0.88 1.39 10:4.1 0.7 2.44 16:1.0 0.23 10.05
10:7.1 0.88 1.41 10:4.0 0.68 2.5    
10:7.0 0.87 1.43 10:3.9 0.68 2.57