Table 2 ISS algorithm parameter values the key point extraction results are shown in Fig. 7, where the green point set represents the wheel point cloud and the red point set denotes the extracted key points.
Parameter name | Parameter value | Unit |
|---|---|---|
Threshold 1 (\({\gamma _{21}}\)) | 0.95 | 1 |
Threshold 2 (\({\gamma _{32}}\)) | 0.8 | 1 |
Search radius (R) | 5 | mm |
NMS radius (r) | 5 | mm |
NMS minimum point count (n) | 6 | 1 |
Target point cloud key point count | 66 | 1 |
Target point cloud extraction time | 53.98 | s |
Key point count in source point cloud | 66 | 1 |
Key point extraction time for source point cloud | 54.04 | s |
