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The Optical Flow Positioning System is typically used in an indoor environ-
ment when GPS is weak or unavailable. It works best when the drone
altitude is less than 10 feet/3 meters.
10.3 Optical Flow Positioning
The Optical Flow Positioning System consists of a camera
①
module, which
acquires the position information of the drone through visual images to
ensure precise positioning of the drone.
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 is
not available, your drone will switch to Gesture Mode automatically. Be
cautious to operate the drone in the following situation:
①
