Table 2 Data collection information
Measuring approach | Carrier | Moving speed (m/s) | Elevation above ground (m) | Sampling rate (Hz) | Collection date (days after emergence) |
|---|---|---|---|---|---|
Ultrasonic sensor | PheMU | 0.2 | 1.35 | 10 | 50 |
LIDAR-Lite v2 | 5 | ||||
DSLR camera array | 5 | ||||
Kinect v2 | 1 | ||||
Canon S100 | IRIS+ | 2 | 25 | 0.33 | 51 |
Manual measurement | 51 |