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Op�cal Flow System Op�cal Flow System (con�nued)
Website: www.con�xo.com
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E-mail: support@con�xo.com
We are open Mon-Fri 9:00 am – 4:00 pm PST
Technical Support
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Usage Requirements of Optical Flow Positioning Function
It is suitable for environments where the al�tude is below 10 feet, there is
no GPS signal or the GPS signal is weak.
The op�cal flow system is composed of op�cal flow lens modules. It is an
image posi�oning system that loca�ng the drone by op�cal flow images. It
ensures the accurate posi�oning and safe flight of the drone.
The measurement accuracy of the op�cal flow system is easily affected by
the light intensity and the surface texture of the object. Once the op�cal flow
failure, the op�cal flow posi�oning mode will automa�cally switch to fixed
al�tude mode. Please be cau�ous in as following situa�ons:
1. When flying fast at low al�tude (below 2 feet), the op�cal flow system may
not be able to locate.
2. Monochrome surface (such as pure black, pure white, pure red, pure green).
3. Surfaces with strong reflec�ons.
4. Water surface or transparent surface.
5. Surfaces of moving objects (such as, the upside of crowds, the swaying
bushes or grasses).
6. Scenes with drama�c and rapid light changes.
7. Surface extremely dark (Lux<10) or extremely bright (Lux>10,000).
8. Very sparsely textured surface.
9. Surfaces with highly repea�ng textures (such as small grid brick in the same
color).
10. Surfaces that are �l�ng over 30 degrees.
11. Flying speed should be controlled not too fast. When the drone al�tude
is 3 feet, the flying speed should not be over 15 feet/s; When the drone
al�tude is 7 feet, the flying speed should not be over 45 feet/s.
● Please ensure that the op�cal flow lens is clear.
● The op�cal flow system is only effec�ve within the al�tude less than 10 feet.
● Since the op�cal flow func�on system relies on ground surface to obtain loca�on
informa�on, please ensure that the surrounding environment has sufficient light
sources and rich texture ground.
● The op�cal flow system cannot be posi�oned on the water surface, in extremely
dark environment and no clear texture ground.
Optical flow lens
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