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Table 3 Drone DJI Genie 4 RTK parameters

From: High-precision deformation analysis of yingxian wooden pagoda based on UAV image and terrestrial LiDAR point cloud

Parametric indicators

Parameter

Working environment temperature

0–40 °C

Hovering accuracy

When RTK is enabled and RTK is working normally

Vertical: ± 0.1 m; Horizontal: ± 0.1 m

Accuracy of map building

600 × 1200 dpi

Image sensor

1-inch CMOS; 20 million effective pixels (204.8 million total pixels)

Maximum photo resolution

5472 × 3648

Single frequency high sensitivity GNSS

GPS + BeiDou + Galileo(Asia region)

Positioning accuracy

Vertical 1.5 cm + 1 ppm (RMS)

Horizontal 1 cm + 1 ppm (RMS)

1 ppm means that the error increases by 1 mm for every 1 km of vehicle movement

Controlled rotation range of the head

Pitch: − 90° to + 30°

Ground Sampling Distance (GSD)

(H/36.5) cm/pixel, H is the flight height of the vehicle relative to the scene being photographed (in meters)