learning_map:
  0 : 1
  1 : 2
  2 : 3
  3 : 4
  4 : 5
  5 : 6
  6 : 7
  7 : 8
  8 : 9
  9 : 10
  10: 11
  11: 12
  12: 13
  13: 14
  14: 15
  15: 16
  16: 17
  17: 18
  18: 19
  255 : 0
name:
  0: road
  1: sidewalk
  2: building
  3: wall
  4: fence
  5: pole
  6: traffic_light
  7: traffic_signal
  8: vegetation
  9: terrain
  10: sky
  11: person
  12: rider
  13: car
  14: truck
  15: bus
  16: train
  17: motorcycle
  18: bicycle
  255: void