{
  "image": "sample_0017_step_0.png",
  "gt_box_index": [
    5,
    6,
    9,
    10,
    11,
    13,
    14
  ],
  "target_object_type": "motorcycles",
  "sub_image_box_list": [
    [
      0,
      0,
      120,
      120
    ],
    [
      125,
      0,
      245,
      120
    ],
    [
      250,
      0,
      370,
      120
    ],
    [
      375,
      0,
      495,
      120
    ],
    [
      0,
      125,
      120,
      245
    ],
    [
      125,
      125,
      245,
      245
    ],
    [
      250,
      125,
      370,
      245
    ],
    [
      375,
      125,
      495,
      245
    ],
    [
      0,
      250,
      120,
      370
    ],
    [
      125,
      250,
      245,
      370
    ],
    [
      250,
      250,
      370,
      370
    ],
    [
      375,
      250,
      495,
      370
    ],
    [
      0,
      375,
      120,
      495
    ],
    [
      125,
      375,
      245,
      495
    ],
    [
      250,
      375,
      370,
      495
    ],
    [
      375,
      375,
      495,
      495
    ]
  ],
  "submit_box": [
    143,
    500,
    313,
    580
  ]
}