TABLE 4.
Number of images for strawberry disease detection.
| Categories of positive and negative examples | Original number of images | Images for training and validation | Augmented number of images for training and validation | Numbers of test images for evaluation |
| Angular leafspot | 319 | 223 | 2676 | 96 |
| Anthracnose fruit rot | 231 | 161 | 1932 | 70 |
| Gray mold | 235 | 164 | 1968 | 71 |
| Leaf blight | 294 | 209 | 2508 | 85 |
| Leaf spot | 593 | 415 | 4980 | 178 |
| Powdery mildew fruit | 137 | 97 | 1164 | 40 |
| Powdery mildew leaf | 718 | 502 | 6024 | 216 |
| Normal | 2000 | 1400 | 16800 | 600 |
| Background | 198 | 138 | 1656 | 60 |
| Total | 4725 | 3309 | 39708 | 1416 |