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. 2021 Jan 5;21(1):317. doi: 10.3390/s21010317

Table 1.

Dataset specialization.

Sensors Cameras Laser Scanners
Sensor Type Canon 7D DJI Camera Sensor Sensor Type ScanStation2 RIEGL VMX-250
Site Close-range UAV Site Close-range UAV
Distance to object (m) 4–6 80 Scan speed (points per second) 50,000 600,000
GSD (m) 0.001 0.025 Points density (points per square meter) 180,000 40,000
Number of images 14 37 Range accuracy (mm) 5 5