Table 3.
Statistics for each component of the Global Wheat Head Detection.
| Sub-dataset name | No. of acquired images | No. of patch per image | Original GSD (mm) | Sampling factor | Used GSD (mm) | No. of labelled images | No. of labelled heads | Average no. of heads/images |
|---|---|---|---|---|---|---|---|---|
| UTokyo_1 | 994 | 1 | 0.43 | 1 | 0.43 | 994 | 29174 | 29 |
| UTokyo_2 | 30 | 4 | 0.6 | 2 | 0.3 | 120 | 3263 | 27 |
| Arvalis_1 | 239 | 6 | 0.23 | 0.5 | 0.46 | 1055∗ | 45716 | 43 |
| Arvalis_2 | 51 | 4 | 0.56 | 2 | 0.28 | 204 | 4179 | 20 |
| Arvalis_3 | 152 | 4 | 0.56 | 2 | 0.28 | 608 | 16665 | 27 |
| INRAE_1 | 44 | 4 | 0.56 | 2 | 0.28 | 176 | 3701 | 21 |
| USask_1 | 100 | 2 | 0.45 | 1 | 0.45 | 200 | 5737 | 29 |
| RRes_1 | 72 | 6 | 0.33 | 1 | 0.33 | 432 | 20236 | 47 |
| ETHZ_1 | 375 | 2 | 0.55 | 1 | 0.55 | 747∗ | 51489 | 69 |
| NAU_1 | 20 | 1 | 0.21 | 1 | 0.21 | 20 | 1250 | 63 |
| UQ_1 | 142 | 1 | 0.2 | 0.5 | 0.4 | 142 | 7035 | 50 |
| Total | 2219 | — | — | — | — | 4698 | 188445 | — |
∗Some labelled images have been removed during the labelling process.