Table 1 SIFT algorithm parameter values.
Parameter name | Parameter value | Unit |
|---|---|---|
Standard deviation (σ) | 5 | 1 |
Number of scale space octaves (k) | 3 | 1 |
Number of scales per octave (n) | 15 | 1 |
Threshold (Ï„) | 0.0001 | 1 |
Target point cloud key point count | 94 | 1 |
Target point cloud extraction time | 0.9682 | s |
Key point count in source point cloud | 98 | 1 |
Key point extraction time for source point cloud | 1.1445 | s |
