How to Capture Calibration Photos

Before Starting

Reflectance panel images should be captured immediately before and/or after drone survey data collection.

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Instructions

1

Power on the Drone and Remote Controller

2

Place Reflectance Panel

In a clear area, open the reflectance panel and place it on a flat surface.

Try not to touch the gray calibrated reflectance surface with your bare hands or fingers to keep it free from contamination.

3

Open the DJI Pilot 2 App

Launch DJI Pilot 2 on the remote controller.

4

Press the Camera View Button

5

Verify Settings and Change as needed

Set the focus to AFS (Auto Focus Single). The Drone may be set to MF or AFC mode. Tap the letters to switch between focus modes.

Set the zoom to 1.0X

Settings for Calibration Photo Capture

6

Pick up aircraft and hold at waist height over calibration panel

When holding the drone/sensor over the panel, avoid shadowing the panel, and try to keep the sun at your side, as opposed to in front or behind you when capturing the reflectance panel images.

Avoid shadowing the light sensor with your body.

M3M Light Sensor Location

7

Capture Calibration Photo

Press the image capture button on the remote controller to take the calibration photo.

8

Fly

Pack away the reflectance panel, being sure to only handle it by the edges.

Once the reflectance panel images have been recorded it is time to fly and the imagery can be converted to reflectance values after the flight.