Table 3 Iterative steps and running time of SRAF
Noise SAR | Filter length | 300 | 600 | 900 | 1200 | 1500 | 1800 | 2100 | 2400 | 2700 | 3000 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Iterative steps | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 |
| Â | Running time (s) | 0.16 | 1.58 | 4.31 | 12.83 | 23.22 | 43.95 | 74.93 | 146.79 | 177.05 | 208.06 |
General SAR | Filter length | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 |
| Â | Iterative steps | 5 | 4 | 5 | 8 | 8 | 5 | 10 | 8 | 7 | 7 |
| Â | Running time (s) | 2.35 | 5.01 | 14.73 | 46.57 | 74.51 | 70.29 | 200.73 | 216.53 | 245.39 | 324.28 |