Table 1. UAV aerial images acquisition during growing seasons (June to August).
Image date | Flight Altitude (m) | The number of Images | Covering Area (m2) | Ground Sampling Distance (cm/pixel) | Illumination | Wind (m/s) |
---|---|---|---|---|---|---|
22062019 (50 DAS) | 20 | 74 | 4300 | 0.69 | Mist | 3.9 |
14072019 (72 DAS) | 40 | 77 | 9000 | 1.43 | Mist | 2.7 |
26072019 (85 DAS) | 40 | 68 | 7800 | 1.39 | Cloudy | 3.9 |
06082019 (99 DAS) | 40 | 97 | 10600 | 1.34 | Cloudy | 3.2 |
31082019 (121 DAS) | 40 | 93 | 9100 | 1.40 | Clear | 2.7 |