def getNeedTrack(video_path, img, tracks, starts):
video_name = os.path.basename(video_path)
video_name = video_name.split('.')[0] + '.jpg'
x_central, y_central = data.data[video_name]
height = 30
width = 30
diff_arr = [(tr[0][0] - x_central)**2 + (tr[0][1] - y_central)**2 for tr in tracks]
diff_arr = np.array(diff_arr)
#needed_tr = tracks[np.argmin(diff_arr)]
k = np.where(np.array(starts) == min(starts))[0]