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Findout the direction of fan rotation

Posted: Thu Dec 20, 2018 7:58 am
by bj40
Hallo
I'm new to OpenMV. I would like to know whether I can somehow measure the directiion of an object rotating fast eg- a computer fan. Will any of the optical Flow algorithms work ?
Thank you
Bitto Joseph

Re: Findout the direction of fan rotation

Posted: Thu Dec 20, 2018 12:08 pm
by kwagyeman
Depends on if the camera can actually see the blades spinning. The optical flow method using patches could see this however. But, the camera has to be fast enough to get a non-blurry shot of the blades. If you want get that then yes. I don't know if this is possible.