data/spatial codes/ground truth/compact/42446103.json

{
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       "unit": "meters",
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      },
      "3D oriented bounding box dimensions": {
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       "unit": null,
       "description": "three perpendicular directions corresponding in order to the three 3D oriented bounding box dimensions"
      }
     },
     "first visible time": {
      "unit": "seconds",
      "description": "earliest time at which this object instance is visibly observed"
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      "unit": "meters",
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     "interior hole boundary coordinates": {
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     }
    }
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 },
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    ],
    "interior hole boundary coordinates": []
   }
  ]
 }
}