{
    "0": "small_worker",
    "1": "small_worker_no_vest",
    "2": "small_worker_no_helmet_no_vest",
    "3": "small_signalman",
    "4": "small_signalman_no_red",
    "5": "small_helmet",
    "6": "small_head",
    "7": "small_harness",
    "8": "small_harness_rope",
    "9": "excavator",
    "10": "bucket",
    "11": "no_bucket",
    "12": "s_bucket",
    "13": "dump_truck",
    "14": "small_truck",
    "15": "tank_lorry",
    "16": "cargo_truck",
    "17": "mixer_truck",
    "18": "crane_mobile",
    "19": "tower_crane",
    "20": "pile_driver",
    "21": "drilling_rig",
    "22": "forklift",
    "23": "dozer",
    "24": "scissor_lift",
    "25": "worker",
    "26": "worker_no_vest",
    "27": "worker_no_helmet_no_vest",
    "28": "signalman",
    "29": "signalman_no_red",
    "30": "helmet",
    "31": "head",
    "32": "harness",
    "33": "harness_rope",
    "34": "non_worker",
    "35": "non_helmet",
    "36": "non_head",
    "37": "non_excavator",
    "38": "non_dump_truck"
}