paddlers/tests/data/ssst/det_gt_coco.json

{
    "images": [
        {
            "height": 256,
            "width": 256,
            "id": 1,
            "file_name": "optical.bmp"
        },  
        {
            "height": 256,
            "width": 256,
            "id": 2,
            "file_name": "sar.tiff"
        },  
        {
            "height": 256,
            "width": 256,
            "id": 3,
            "file_name": "multispectral.tif"
        }
    ],
    "categories": [
        {
            "supercategory": "component",
            "id": 1,
            "name": "target"
        }
    ],
    "annotations": [
        {
            "segmentation": [
                [
                    28,
                    89,
                    28,
                    253,
                    72,
                    253,
                    72,
                    89
                ]
            ],
            "iscrowd": 0,
            "image_id": 1,
            "bbox": [
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            ],
            "area": 7216.0,
            "category_id": 1,
            "id": 1
        },
        {
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                ]
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        },
        {
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                ]
            ],
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            ],
            "area": 7216.0,
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        }
    ]
}