Table 3.
Number and proportion of caribou adults, calves, and ghosts that were missed by the Faster-RCNN and the pool of naïve observers (mean ± SD) per mosaic.
| Mosaic | Class | Missing | Proportion missing |
|---|---|---|---|
| Faster-RCNN model | |||
| Mosaic 1 (120 m) | Adults | 0 | 0.00 |
| Calves | 2 | 0.08 | |
| Ghosts | 1 | 0.14 | |
| Mosaic 2 (120 m) | Adults | 5 | 0.09 |
| Calves | 3 | 0.14 | |
| Ghosts | 12 | 0.43 | |
| Mosaic 3 (75 m) | Adults | 1 | 0.02 |
| Calves | 0 | 0.00 | |
| Ghosts | 0 | 0.00 | |
| Mosaic 4 (75 m) | Adults | 0 | 0.00 |
| Calves | 2 | 0.08 | |
| Ghosts | 26 | 0.46 | |
| Naïve observers | |||
| Mosaic 1 (120 m) | Adults | 3.8 ± 3.7 | 0.07 |
| Calves | 2.6 ± 2.3 | 0.09 | |
| Ghosts | 1.2 ± 1.1 | 0.20 | |
| Mosaic 2 (120 m) | Adults | 2.4 ± 2.1 | 0.04 |
| Calves | 1.6 ± 1.3 | 0.07 | |
| Ghosts | 2.4 ± 1.1 | 0.09 | |
| Mosaic 3 (75 m) | Adults | 1.4 ± 1.3 | 0.03 |
| Calves | 0.4 ± 0.5 | 0.05 | |
| Ghosts | 2.4 ± 2.3 | 0.24 | |
| Mosaic 4 (75 m) | Adults | 6.2 ± 6.5 | 0.09 |
| Calves | 1.0 ± 1.0 | 0.04 | |
| Ghosts | 3.8 ± 5.3 | 0.09 | |