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10.3 Optical Flow Positioning
The Optical Flow Positioning System consists of a camera CD module, which
acquires the position information of the drone through visual images to
ensure precise positioning of the drone.
The Optical Flow Positioning System is typically used in indoor environ-
ment when GPS is weak or unavailable. It works best when the drone
altitude is less than 3 meters.
When in a dark environment, you can turn on the lights by pressing the
Light Switch button "54" in the upper right corner of the transmitter to
facilitate the image positioning function.
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The precision of the Optical Flow Positioning System is easily affected by the
light strength and features of the surface textures. Once the image sensor
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