{
  "image": "sample_0002_step_0.png",
  "gt_box_index": [
    4
  ],
  "target_object_type": "buses",
  "target_patches": [
    "patch_1_1.jpg"
  ],
  "sub_image_box_list": [
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    ],
    [
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    ],
    [
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    ],
    [
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    ],
    [
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    ],
    [
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    ],
    [
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    ],
    [
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    ],
    [
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    ]
  ],
  "submit_box": [
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  ]
}