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Optical flow position system
The optical flow position system is typically used in indoor environment when GPS is
weak or unavailable. It works best when the altitude is less than 3 meters.
Note:
• Please pay attention to the flight environment. Optical flow position system only play
a safety auxiliary role under limited conditions and cannot replace human judgment and
control. The user should always pay attention to the surrounding environment during the
flight, maintain the control of the aircraft and be responsible for the control behavior.
• The measurement accuracy of optical flow positioning system is easily affected by light
intensity and object surface texture. Therefore, the optical flow position system in the
following scenarios cannot work normally, so it must be used with caution.
1. Solid color surface (such as pure black, pure white, pure red, pure green).
2. A surface (such as ice) that has strong reflections or reflections.
3. The surface of water or transparent objects.
4. The surface of a moving object (such as above a stream of people, shrubs or grass
blown by a strong wind).
5. A scene in which the light changes dramatically and rapidly.
6. Object surfaces that are particularly dark (light intensity less than 10 Lux) or
particularly bright (light intensity greater than 40000 Lux).
7. Material surface with strong absorption or reflection of infrared (such as mirrors).
8. Surfaces with particularly sparse texture (such as electric poles, pipes, etc.).
9. The surface of an object with a high degree of texture repetition (such as small
checkered bricks of the same color).
10. Small obstacles (such as branches, wires, etc.).
• Do not block or interfere with the optical flow position system in any way, and ensure
that the
lens is clear and free of stains.
• Avoid flying in rainy and foggy weather or other scenes with low visibility (visibility less
than 100 m).
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