from deep_sort_realtime.deepsort_tracker import DeepSort

tracker = DeepSort(max_age=5)

bbs = object_detector.detect(frame) 

tracks = tracker.update_tracks(bbs, frame=frame) # bbs expected to be a list of detections, each in tuples of ( [left,top,w,h], confidence, detection_class )

for track in tracks:

    if not track.is_confirmed():

        continue

    track_id = track.track_id

    ltrb = track.to_ltrb()