Table 3.

Comparison of the CA results for different k values (results are in %).

Image	k = 1	k = 3	k = 5	k = 7	k = 9	k = 11	k = 13	k = 15	k = 17
Clean	96.02 ± 1.14	96.35 ± 0.95	98.54 ± 0.84	98.12 ± 0.98	97.67 ± 1.16	96.58 ± 1.24	96.34 ± 0.64	96.82 ± 1.14	96.34 ± 1.02
Salt and pepper	91.12 ± 0.82	93.54 ± 1.26	94.02 ± 0.54	93.84 ± 0.96	93.21 ± 1.12	93.15 ± 1.45	93.02 ± 0.98	92.34 ± 1.26	91.89 ± 0.66
Motion blur	88.02 ± 1.34	89.72 ± 1.22	91.08 ± 0.98	91.20 ± 1.10	90.33 ± 0.88	89.78 ± 0.45	89.54 ± 0.66	88.96 ± 1.82	89.02 ± 1.82