{
  "image": "sample_0024_step_0.png",
  "gt_box_index": [
    1,
    5
  ],
  "target_object_type": "buses",
  "target_patches": [
    "patch_0_1.jpg",
    "patch_1_2.jpg"
  ],
  "sub_image_box_list": [
    [
      0,
      0,
      150,
      150
    ],
    [
      150,
      0,
      300,
      150
    ],
    [
      300,
      0,
      450,
      150
    ],
    [
      0,
      150,
      150,
      300
    ],
    [
      150,
      150,
      300,
      300
    ],
    [
      300,
      150,
      450,
      300
    ],
    [
      0,
      300,
      150,
      450
    ],
    [
      150,
      300,
      300,
      450
    ],
    [
      300,
      300,
      450,
      450
    ]
  ],
  "submit_box": [
    66,
    460,
    236,
    540
  ]
}