516919.fig.002a
(a) LDCT image in Figure 1(b) processed by FOPMD in [9] with , , and and iteration number is 15 
516919.fig.002b
(b) LDCT image in Figure 1(b) processed by FOPMD in [9] with , , and and iteration number is 15
516919.fig.002c
(c) LDCT image in Figure 1(b) processed by FOPMD in [9] with , , and and iteration number is 15
516919.fig.002d
(d) LDCT image in Figure 1(b) processed by EFOGV-PMD with , , and and iteration number is 15
516919.fig.002e
(e) LDCT image in Figure 1(b) processed by EFOGV-PMD with , , and and iteration number is 15
516919.fig.002f
(f) LDCT image in Figure 1(b) processed by EFOGV-PMD with , , and and iteration number is 15
516919.fig.002g
(g) LDCT image in Figure 1(d) processed by FOPMD in [9] with , , and and iteration number is 15
516919.fig.002h
(h) LDCT image in Figure 1(d) processed by FOPMD in [9] with , , and and iteration number is 15
516919.fig.002i
(i) LDCT image in Figure 1(d) processed by FOPMD in [9] with , , and and iteration number is 15
516919.fig.002j
(j) LDCT image in Figure 1(d) processed by EFOGV-PMD with , , and and iteration number is 15
516919.fig.002k
(k) LDCT image in Figure 1(d) processed by EFOGV-PMD with , , and and iteration number is 15
516919.fig.002l
(l) LDCT image in Figure 1(d) processed by EFOGV-PMD with , , and and iteration number is 15
Figure 2: LDCT images in Figures 1(b) and 1(d) processed by FOPMD and EFOGV-PMD with different fractional-orders and iteration number is set to 15. The first column: ; the second column: , the third column: . The first row: Figure 1(b) processed by FOPMD; the second row: Figure 1(b) processed by EFOGV-PMD; the third row: Figure 1(d) processed by FOPMD; the fourth row: Figure 1(d) processed by EFOGV-PMD.