Research Article
Extraction of Feature Information from Point Cloud of Large Volume Steel Truss Members
Table 4
Corner point extraction results of the three algorithms.
| | Gaussian noise (σ2) | Our method | Harris corner | ISS | | Time (s) | Error (mm) | Correctness (%) | Time (s) | Error (mm) | Correctness (%) | Time (s) | Error (mm) | Correctness (%) |
| | 0.1 | 104.46 | 2.5 | 100 | 159.61 | 2.5 | 84 | 219.38 | 3.2 | 76 | | 0.2 | 109.59 | 2.8 | 100 | 168.67 | 3.6 | 64 | 237.81 | 3.4 | 73 | | 0.3 | 121.69 | 2.9 | 100 | 177.42 | 4.7 | 53 | 244.57 | 5.3 | 57 |
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