Infrared Led tracking with frequency
Hello everybody,
First of all, i would like to say that i'm new on OpenCV so please don't laugh at me, and I'm sorry for my english I'm a french student..
In my project, I have got 3 circles of 7 LED which are moving. I have got a camera above them and each circle are blinking at differents frequency ( so 3 differents frequencies). I would like to track each circle and then recognize their frequency.
I'm using Community Core Vision as software, so I already detect blobs. But I would like to ignore all the others noise around it and then track only the LED. That's means, if something is moving next to the LED it needs to be ignore.
I checked on internet and I readed that is easy to detect LED and ignore the others object by using a filter with the frequency that I want to detect.
Is that true ? And if so, do you have any advices for my project ? What library should I use ? And if there a program which already exist for this ?
Thanks you for you answer and please feel free to comment.
If you mean light frequency (IR led 940 nm for example) you can select using an optical filter center at led light frequency. After blinking frequency it's another problem if your circle are moving
This is blinking frequency, so it will be harder ? They are not moving really fast, like 5cm in one second. Thank you for your answer.
When you track an object in video shape and brightness don't change (or change are small). With a blinking led that's not true. there is an another post about that sort of project