Table 1 Summary of the main image acquisition characteristics of the two experimental sites
From: Wheat ear counting using K-means clustering segmentation and convolutional neural network
Sites | Date | Weather | Plot | Image size | Camera | Image | Focal length (mm) | Resolution (mm) |
|---|---|---|---|---|---|---|---|---|
Xuchang | 06/05/2019 | Sunny cloudy | 12 | 4000 × 3000 | Redmi Note 7 | 60 | 5 | 0.27–0.54 |
Xuchang | 14/05/2019 | Sunny cloudy | 12 | 4000 × 3000 | Redmi Note 7 | 60 | 5 | 0.27–0.54 |
Xuchang | 14/05/2019 | Sunny cloudy | 12 | 4000 × 3000 | DJI Phantom 3 Pro | 20 | 4 | 1.00 |
Yuanyang | 15/05/2019 | Sunny cloudy | 10 | 4000 × 3000 | Redmi Note 7 | 490 | 5 | 0.27–0.54 |
Xuchang | 16/05/2019 | Sunny | 12 | 4000 × 3000 | Redmi Note 7 | 60 | 5 | 0.27–0.54 |
Xuchang | 20/05/2019 | Sunny | 12 | 4000 × 3000 | Redmi Note 7 | 324 | 5 | 0.27–0.54 |
Xuchang | 13/05/2020 | Sunny cloudy | 12 | 4608 × 3456 | HUAWEI nova 3i | 48 | 4 | 0.18–0.26 |