example_anno.json

{
    "videos": [
        {
            "file_name": "video1.mp4",
            "width": 1080,
            "height": 920,
            "id": 0
        },
        {
            "file_name": "video2.mp4",
            "width": 1080,
            "height": 920,
            "id": 1
        }
    ],
    "annotations": [
        {
            "id": 0,
            "video_id": 0,
            "category_id": 0,
            "track": [
                {
                    "frame": 0,
                    "bbox": [
                        0,
                        15,
                        20,
                        30
                    ],
                    "outside": 1,
                    "occluded": 0
                },
                {
                    "frame": 1,
                    "bbox": [
                        10,
                        15,
                        25,
                        30
                    ],
                    "outside": 0,
                    "occluded": 0
                },
                {
                    "frame": 2,
                    "bbox": [
                        15,
                        15,
                        30,
                        30
                    ],
                    "outside": 0,
                    "occluded": 0
                }
            ]
        },
        {
            "id": 1,
            "video_id": 0,
            "category_id": 1,
            "track": [
                {
                    "frame": 7,
                    "bbox": [
                        0,
                        15,
                        20,
                        30
                    ],
                    "outside": 1,
                    "occluded": 0
                },
                {
                    "frame": 9,
                    "bbox": [
                        10,
                        15,
                        25,
                        30
                    ],
                    "outside": 0,
                    "occluded": 0
                },
                {
                    "frame": 10,
                    "bbox": [
                        15,
                        15,
                        30,
                        30
                    ],
                    "outside": 1,
                    "occluded": 0
                }
            ]
        }
    ],
    "categories": [
        {
            "id": 0,
            "name": "cat"
        },
        {
            "id": 1,
            "name": "dog"
        }
    ]
}