Data comparison of different algorithms in practical experiments
| Noise ratio (%) | Algorithm | a | b | c | Error | σ0/ | / |
|---|---|---|---|---|---|---|---|
| 5 | LS | 4.647e−6 | 3.967e−6 | 6121.64 | 1.36e−3 | 0.151 | 18.541 |
| WTLS | 5.156e−6 | 3.327e−6 | 6132.13 | 3.47e−4 | 0.142 | 17.956 | |
| RANSAC | 5.079e−6 | 3.087e−6 | 6131.24 | 2.02e−4 | 0.138 | 17.916 | |
| ICOOK–WTLS | 4.786e−6 | 2.658e−6 | 6130.34 | 5.55e−5 | 0.125 | 17.892 | |
| 10 | LS | 3.148e−6 | 6.757e−6 | 6354.52 | 1.50e−3 | 0.159 | 18.967 |
| WTLS | 3.559e−6 | 6.047e−6 | 6346.11 | 1.75e−4 | 0.149 | 18.023 | |
| RANSAC | 3.416e−6 | 5.921e−6 | 6345.94 | 1.48e−4 | 0.144 | 18.386 | |
| ICOOK–WTLS | 3.466e−6 | 5.456e−6 | 6345.53 | 8.35e−5 | 0.128 | 17.916 | |
| 15 | LS | 4.647e−6 | 7.127e−6 | 6357.21 | 1.92e−3 | 0.165 | 19.248 |
| WTLS | 4.976e−6 | 6.925e−6 | 6346.56 | 2.46e−4 | 0.156 | 18.169 | |
| RANSAC | 4.906e−6 | 6.529e−6 | 6347.15 | 3.39e−4 | 0.163 | 19.159 | |
| ICOOK–WTLS | 4.647e−6 | 6.018e−6 | 6345.67 | 1.06e−4 | 0.134 | 18.012 | |
| 30 | LS | 7.387e−6 | 5.256e−6 | 6143.32 | 2.17e−3 | 0.173 | 19.765 |
| WTLS | 4.257e−6 | 4.586e−6 | 6134.78 | 7.80e−4 | 0.151 | 18.236 | |
| RANSAC | 4.946e−6 | 4.829e−6 | 6133.51 | 5.73e−4 | 0.155 | 19.516 | |
| ICOOK–WTLS | 5.134e−6 | 3.367e−6 | 6132.57 | 4.19e−4 | 0.138 | 18.132 |
| Noise ratio (%) | Algorithm | a | b | c | Error | ||
|---|---|---|---|---|---|---|---|
| 5 | LS | 4.647e−6 | 3.967e−6 | 6121.64 | 1.36e−3 | 0.151 | 18.541 |
| WTLS | 5.156e−6 | 3.327e−6 | 6132.13 | 3.47e−4 | 0.142 | 17.956 | |
| RANSAC | 5.079e−6 | 3.087e−6 | 6131.24 | 2.02e−4 | 0.138 | 17.916 | |
| ICOOK–WTLS | 4.786e−6 | 2.658e−6 | 6130.34 | 5.55e−5 | 0.125 | 17.892 | |
| 10 | LS | 3.148e−6 | 6.757e−6 | 6354.52 | 1.50e−3 | 0.159 | 18.967 |
| WTLS | 3.559e−6 | 6.047e−6 | 6346.11 | 1.75e−4 | 0.149 | 18.023 | |
| RANSAC | 3.416e−6 | 5.921e−6 | 6345.94 | 1.48e−4 | 0.144 | 18.386 | |
| ICOOK–WTLS | 3.466e−6 | 5.456e−6 | 6345.53 | 8.35e−5 | 0.128 | 17.916 | |
| 15 | LS | 4.647e−6 | 7.127e−6 | 6357.21 | 1.92e−3 | 0.165 | 19.248 |
| WTLS | 4.976e−6 | 6.925e−6 | 6346.56 | 2.46e−4 | 0.156 | 18.169 | |
| RANSAC | 4.906e−6 | 6.529e−6 | 6347.15 | 3.39e−4 | 0.163 | 19.159 | |
| ICOOK–WTLS | 4.647e−6 | 6.018e−6 | 6345.67 | 1.06e−4 | 0.134 | 18.012 | |
| 30 | LS | 7.387e−6 | 5.256e−6 | 6143.32 | 2.17e−3 | 0.173 | 19.765 |
| WTLS | 4.257e−6 | 4.586e−6 | 6134.78 | 7.80e−4 | 0.151 | 18.236 | |
| RANSAC | 4.946e−6 | 4.829e−6 | 6133.51 | 5.73e−4 | 0.155 | 19.516 | |
| ICOOK–WTLS | 5.134e−6 | 3.367e−6 | 6132.57 | 4.19e−4 | 0.138 | 18.132 |
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