| Weather conditions | Accuracy (%) | False detection rate (%) | ||||||
| 10% | 20% | 30% | learning | 10% | 20% | 30% | learning | |
| Sunny day | 97.8 | 98.8 | 97.6 | 98.6 | 1.3 | 1.2 | 2.1 | 1.1 |
| Cloudy day | 78.5 | 99.5 | 95.8 | 98.7 | 0.2 | 0.7 | 1.6 | 0.8 |
| Facing sun ray | 35.7 | 83.6 | 96.3 | 93.9 | 0.7 | 0.2 | 0.4 | 0.2 |
| Long shadow | 79.6 | 85.1 | 85.7 | 95.3 | 7.8 | 6.9 | 8.3 | 4.3 |
| Rainy day | 63.4 | 79.8 | 87.5 | 84.4 | 3.9 | 2.4 | 2.9 | 2.3 |
| Heavily rainy day | 38.0 | 66.8 | 63.7 | 72.3 | 15.0 | 8.8 | 5.9 | 6.4 |