0:invalid_class_id
1:aeroplane
2:bicycle
3:bird
4:boat
5:bottle
6:bus
7:car
8:cat
9:chair
10:cow
11:diningtable
12:dog
13:horse
14:motorbike
15:person
16:pottedplant
17:sheep
18:sofa
19:train
20:tvmonitor
21:bag
22:bed
23:bench
24:book
25:building
26:cabinet
27:ceiling
28:cloth
29:computer
30:cup
31:door
32:fence
33:floor
34:flower
35:food
36:grass
37:ground
38:keyboard
39:light
40:mountain
41:mouse
42:curtain
43:platform
44:sign
45:plate
46:road
47:rock
48:shelves
49:sidewalk
50:sky
51:snow
52:bedclothes
53:track
54:tree
55:truck
56:wall
57:water
58:window
59:wood