Zañudo [26] | Devloo [32] | Tamura [33] | Our method | |||||
---|---|---|---|---|---|---|---|---|
  n | mean | stdev. | mean | stdev. | mean | stdev. | mean | stdev. |
 2000 | 7.341 | 3.192 | 107.1 ∗ | 83.49 ∗ | 0.022 | NR | 0.490 | 0.023 |
 4000 | 12.084 | 3.636 | 223.0 ∗ | 173.9 ∗ | 0.035 | NR | 1.123 | 0.049 |
 6000 | 31.174 | 340.213 | 338.9 ∗ | 264.3 ∗ | 0.047 | NR | 2.172 | 0.114 |
 8000 | 28.091 | 11.572 | 454.8 ∗ | 354.8 ∗ | 0.069 | NR | 3.642 | 0.212 |
10000 | 38.394 | 13.301 | 570.8 ∗ | 445.2 ∗ | 0.072 | NR | 5.218 | 0.235 |