TABLE 1. Technical parameters of the four different analyses performed on the Molfetta tracksite.
| UAV model | Tarot FY680 Pro | DJI Phantom 4 | DJI Phantom 4 | CR Photogr. |
| Height (m) | 15 | 10 | 30 | 1 |
| Coverage area (sq m) | 3880 | 1770 | 10900 | 3.25 |
| Data collection duration (min) | 12' (3 flights of 4') | 6' 30'' | 4' 30'' | 10 ' |
| Processing time | 9h | 5h 30' | 4h | 9h |
| Dense point cloud number (millions) | 109 | 35 | 25 | 17 |
| Point density (pt/sq m) | 28092.7835051547 | 19774.011299435 | 2293.5779816514 | 5248923.0769 |
| Average linear distance between points (mm) | 5.96 | 7.11 | 20.88 | 0.43648055 |
| Ortophoto resolution (pixel) | 17687x12750 | 10759x11207 | 9382x7016 | 9666x9327 |
| Ortophoto pixel size (mm) | 3.75 | 4.57 | 14 | 0.261 |
| DEM resolution (pixel) | 23101x21897 | 6089x6453 | 6381x4817 | 4873x4846 |
| DEM pixel size (mm) | 7.5 | 9.15 | 28.2 | 0.521 |
| Ground resolution (mm) | 5 | 10 | 25 | 0.261 |
