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  "dataset_name": "MARS20",
  "total_images_in_release": 2778,
  "total_objects_in_release": 16673,
  "num_plane_types": 20,
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      "caption_sources": {
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      "plane_type_counts": {
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      "objects": 566,
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      "plane_type_counts": {
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      "keypoint_count_distribution": {
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    "SU-34": 245,
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    "caption-multi.json": 58,
    "Caption-Background": 3,
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  "unused_rgb_images_without_annotations": [
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  "keypoint_anomalies": [
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      "image_id": "210",
      "object_index": 9,
      "plane_type": "TU-95",
      "keypoint_count": 6
    },
    {
      "image_id": "345",
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      "plane_type": "E-8",
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    },
    {
      "image_id": "346",
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    {
      "image_id": "1909",
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      "plane_type": "TU-95",
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    {
      "image_id": "1909",
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      "plane_type": "TU-95",
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    },
    {
      "image_id": "3092",
      "object_index": 4,
      "plane_type": "FA-18",
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  ]
}