| Information | Image number | 1 | 2 | 3 | ⋯ | 6 | ⋯ | 10 | ⋯ | 16 | 17 |
| Depth image | | | | ⋯ | | ⋯ | | ⋯ | | |
| Matching Gaussian curvature feature matrices with SIFT algorithm | — | | | ⋯ | | ⋯ | | ⋯ | | — |
| Total matched points | — | 221 | 149 | ⋯ | 214 | ⋯ | 305 | ⋯ | 323 | — |
| Error matched points | — | 32 | 33 | ⋯ | 47 | ⋯ | 55 | ⋯ | 35 | — |
| Error rate | — | 14.5% | 22.2% | ⋯ | 21.9% | ⋯ | 18.0% | ⋯ | 10.8% | — |
| Observation position | 0.00, −1.00, 300.00 | 0.00, −1.00, 300.00 | 60.05, −3.71, 293.06 | ⋯ | 154.94, −60.20, 243.36 | ⋯ | 222.52, −104.03, 167.34 | ⋯ | 256.37, −122.16, 94.13 | 260.57, −122.69, 88.72 |
| Observation direction | 0.00, 1.00, −300.00 | 0.00, 1.00, −300.00 | −54.56, −1.73, −294.99 | ⋯ | −168.23 95.91, −229.13 | ⋯ | −245.97, 120.77, −122.12 | ⋯ | −258.67, 123.17, −89.00 | −265.93, 123.99, −62.51 |
| Observed area | — | 167.61 | 587.02 | ⋯ | 2158.60 | ⋯ | 2625.68 | ⋯ | 3014.34 | 3025.58 |
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