How do you id multiple objects detected?

asked 2017-01-14 08:11:33 -0600

xKazutox
6 ●1 ●1

Hi,

I have a problem. I am detecting multiple moving objects but I am wondering if there are anyway to id the objects which are being tracked. I have a situation that if a moving object becomes in front of another moving object. Once the moving object which was in front of the other moving object has left the view of the camera. How would I know that the original moving object which was hidden is the same object I was previously looking at?

Is there any potential ways of adding id's to each object in view and when they become hidden and reappear, the id of that object is correct?

answered 2017-01-14 19:47:57 -0600

Tetragramm

7376 ●13 ●37

There is, but you have to do all of that yourself, unless you're using the multi-tracker.

Really, you should start googling. There are many ways of doing this, but the problem is called "Track Association" If you search for that, you will find many different methods, each with different strengths and weaknesses. Are they fast moving? Slow moving? do they change directions often? How many false alarms, false detections, or missed detections? There's a different algorithm for each.

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sorry for the hijack, just out of curiousity, can I use multitracker for this purpose if I do not know how many objects are moving in prior? Also actually... I don't find much information on track association. Am new to computer vision (got thrown to this at work, and is clueless most of the time), so I don't know where to start. (I have the code to recognize multiple moving things in a continuous stream of pictures from a video feed, but don't know how to assign identity to them).

Jeffrey04 ( 2018-08-20 04:24:34 -0600 )edit

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