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I need to track cars on the road from top-view video.

My application contain two main parts:

  1. Detecting cars on the frame (Tensorflow trained network)
  2. Tracking detected cars (opencv trackers)

I have troubles with opencv trackers. Initially i tried to different trackers, but only MOSSE is fast enough. This tracker works almost perfect for case with straight road, but i faced problems with rotating cars. This situation appears on crossroads.

As i understood, bounding box of rotated object is bigger that bbox of horizontal or vertical object. As result bbox contains big part of static background and the tracker lose target object.

Are there any alternative trackers which can track contours (not bounding boxes)? Can i adjust quality of existing opencv trackers results by any settings or by adjusting picture?

Example

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