{
    "image_id": "sample_005",
    "buildings": [
        {
            "id": "bld_001",
            "bbox": [
                379,
                297,
                33,
                34
            ],
            "confidence": 0.88,
            "area": 1122.0,
            "type": "residential",
            "height_estimate": 10.8
        },
        {
            "id": "bld_002",
            "bbox": [
                366,
                115,
                52,
                43
            ],
            "confidence": 0.91,
            "area": 2236.0,
            "type": "commercial",
            "height_estimate": 15.2
        },
        {
            "id": "bld_003",
            "bbox": [
                223,
                242,
                60,
                49
            ],
            "confidence": 0.91,
            "area": 2940.0,
            "type": "residential",
            "height_estimate": 22.2
        },
        {
            "id": "bld_004",
            "bbox": [
                224,
                395,
                30,
                50
            ],
            "confidence": 0.94,
            "area": 1500.0,
            "type": "commercial",
            "height_estimate": 18.7
        }
    ],
    "detection_date": "2025-12-28",
    "model_version": "v1.0",
    "total_buildings": 4
}