def process_mmtracking_results(mmtracking_results):
    """Process mmtracking results.

    :param mmtracking_results:
    :return: a list of tracked bounding boxes
    """
    person_results = []
    for track in mmtracking_results['track_results'][0]:
        person = {}
        person['track_id'] = int(track[0])
        person['bbox'] = track[1:]
        person_results.append(person)
    return person_results