coco format example for object detection and semantic segmentation

coco format example

{
    "info": {
        "description": "COCO 2017 Dataset",
        "url": "http://cocodataset.org",
        "version": "1.0",
        "year": 2017,
        "contributor": "COCO Consortium",
        "date_created": "2017/09/01"
    },

    "images": [
        {
            "license": 4,
            "file_name": "000000397133.jpg",
            "coco_url": "http://images.cocodataset.org/val2017/000000397133.jpg",
            "height": 427,
            "width": 640,
            "date_captured": "2013-11-14 17:02:52",
            "flickr_url": "http://farm7.staticflickr.com/6116/6255196340_da26cf2c9e_z.jpg",
            "id": 397133
        },
        {
            "license": 1,
            "file_name": "000000037777.jpg",
            "coco_url": "http://images.cocodataset.org/val2017/000000037777.jpg",
            "height": 230,
            "width": 352,
            "date_captured": "2013-11-14 20:55:31",
            "flickr_url": "http://farm9.staticflickr.com/8429/7839199426_f6d48aa585_z.jpg",
            "id": 37777
        }
    ],
    "annotations": [
        {
            "segmentation": [
                [
                    0.0,
                    503.5,
                    21.89,
                    1.29,
                    627.12,
                    2.58,
                    513.8
                ]
            ],
            "area": 702.1057499999998,
            "iscrowd": 0,
            "image_id": 289343,
            "bbox": [
                473.07,
                395.93,
                38.65,
                28.67
            ],
            "category_id": 18,
            "id": 1768
        },
        {
            "segmentation": [
                [
                    289.74,
                    443.39,
                    302.29,
                    445.32,
                    308.09,
                    427.94,
                    310.02,
                    416.35,
                    304.23,
                    405.73,
                    300.14,
                    385.01,
                    298.23
                ]
            ],
            "area": 27718.476299999995,
            "iscrowd": 0,
            "image_id": 61471,
            "bbox": [
                272.1,
                200.23,
                151.97,
                279.77
            ],
            "category_id": 18,
            "id": 1773
        },
        {   
            "area": 78969.31690000003,
            "iscrowd": 0,
            "image_id": 472375,
            "bbox": [
                124.71,
                196.18,
                372.85,
                356.81
            ],
            "category_id": 18,
            "id": 2551
        },
        {
            "area": 108316.66515000002,
            "iscrowd": 0,
            "image_id": 520301,
            "bbox": [
                112.71,
                154.82,
                367.29,
                479.35
            ],
            "category_id": 18,
            "id": 3186
        }
    ],
    "categories": [
        {
            "supercategory": "person",
            "id": 1,
            "name": "person"
        },
        {
            "supercategory": "vehicle",
            "id": 2,
            "name": "bicycle"
        },
        {
            "supercategory": "vehicle",
            "id": 3,
            "name": "car"
        },
        {
            "supercategory": "vehicle",
            "id": 4,
            "name": "motorcycle"
        },
        {
            "supercategory": "vehicle",
            "id": 5,
            "name": "airplane"
        },
        {
            "supercategory": "vehicle",
            "id": 6,
            "name": "bus"
        },
        {
            "supercategory": "vehicle",
            "id": 7,
            "name": "train"
        },
        {
            "supercategory": "vehicle",
            "id": 8,
            "name": "truck"
        },
        {
            "supercategory": "vehicle",
            "id": 9,
            "name": "boat"
        },
        {
            "supercategory": "outdoor",
            "id": 10,
            "name": "traffic light"
        },
        {
            "supercategory": "outdoor",
            "id": 11,
            "name": "fire hydrant"
        },
        {
            "supercategory": "outdoor",
            "id": 13,
            "name": "stop sign"
        },
        {
            "supercategory": "outdoor",
            "id": 14,
            "name": "parking meter"
        },
        {
            "supercategory": "outdoor",
            "id": 15,
            "name": "bench"
        },
        {
            "supercategory": "animal",
            "id": 16,
            "name": "bird"
        },
        {
            "supercategory": "animal",
            "id": 17,
            "name": "cat"
        },
        {
            "supercategory": "animal",
            "id": 18,
            "name": "dog"
        },
        {
            "supercategory": "animal",
            "id": 19,
            "name": "horse"
        },
        {
            "supercategory": "animal",
            "id": 20,
            "name": "sheep"
        },
        {
            "supercategory": "animal",
            "id": 21,
            "name": "cow"
        },
        {
            "supercategory": "animal",
            "id": 22,
            "name": "elephant"
        },
        {
            "supercategory": "animal",
            "id": 23,
            "name": "bear"
        },
        {
            "supercategory": "animal",
            "id": 24,
            "name": "zebra"
        },
        {
            "supercategory": "animal",
            "id": 25,
            "name": "giraffe"
        },
        {
            "supercategory": "accessory",
            "id": 27,
            "name": "backpack"
        },
        {
            "supercategory": "accessory",
            "id": 28,
            "name": "umbrella"
        },
        {
            "supercategory": "accessory",
            "id": 31,
            "name": "handbag"
        },
        {
            "supercategory": "accessory",
            "id": 32,
            "name": "tie"
        },
        {
            "supercategory": "accessory",
            "id": 33,
            "name": "suitcase"
        },
        {
            "supercategory": "sports",
            "id": 34,
            "name": "frisbee"
        },
        {
            "supercategory": "sports",
            "id": 35,
            "name": "skis"
        },
        {
            "supercategory": "sports",
            "id": 36,
            "name": "snowboard"
        },
        {
            "supercategory": "sports",
            "id": 37,
            "name": "sports ball"
        },
        {
            "supercategory": "sports",
            "id": 38,
            "name": "kite"
        },
        {
            "supercategory": "sports",
            "id": 39,
            "name": "baseball bat"
        },
        {
            "supercategory": "sports",
            "id": 40,
            "name": "baseball glove"
        },
        {
            "supercategory": "sports",
            "id": 41,
            "name": "skateboard"
        },
        {
            "supercategory": "sports",
            "id": 42,
            "name": "surfboard"
        },
        {
            "supercategory": "sports",
            "id": 43,
            "name": "tennis racket"
        },
        {
            "supercategory": "kitchen",
            "id": 44,
            "name": "bottle"
        },
        {
            "supercategory": "kitchen",
            "id": 46,
            "name": "wine glass"
        },
        {
            "supercategory": "kitchen",
            "id": 47,
            "name": "cup"
        },
        {
            "supercategory": "kitchen",
            "id": 48,
            "name": "fork"
        },
        {
            "supercategory": "kitchen",
            "id": 49,
            "name": "knife"
        },
        {
            "supercategory": "kitchen",
            "id": 50,
            "name": "spoon"
        },
        {
            "supercategory": "kitchen",
            "id": 51,
            "name": "bowl"
        },
        {
            "supercategory": "food",
            "id": 52,
            "name": "banana"
        },
        {
            "supercategory": "food",
            "id": 53,
            "name": "apple"
        },
        {
            "supercategory": "food",
            "id": 54,
            "name": "sandwich"
        },
        {
            "supercategory": "food",
            "id": 55,
            "name": "orange"
        },
        {
            "supercategory": "food",
            "id": 56,
            "name": "broccoli"
        },
        {
            "supercategory": "food",
            "id": 57,
            "name": "carrot"
        },
        {
            "supercategory": "food",
            "id": 58,
            "name": "hot dog"
        },
        {
            "supercategory": "food",
            "id": 59,
            "name": "pizza"
        },
        {
            "supercategory": "food",
            "id": 60,
            "name": "donut"
        },
        {
            "supercategory": "food",
            "id": 61,
            "name": "cake"
        },
        {
            "supercategory": "furniture",
            "id": 62,
            "name": "chair"
        },
        {
            "supercategory": "furniture",
            "id": 63,
            "name": "couch"
        },
        {
            "supercategory": "furniture",
            "id": 64,
            "name": "potted plant"
        },
        {
            "supercategory": "furniture",
            "id": 65,
            "name": "bed"
        },
        {
            "supercategory": "furniture",
            "id": 67,
            "name": "dining table"
        },
        {
            "supercategory": "furniture",
            "id": 70,
            "name": "toilet"
        },
        {
            "supercategory": "electronic",
            "id": 72,
            "name": "tv"
        },
        {
            "supercategory": "electronic",
            "id": 73,
            "name": "laptop"
        },
        {
            "supercategory": "electronic",
            "id": 74,
            "name": "mouse"
        },
        {
            "supercategory": "electronic",
            "id": 75,
            "name": "remote"
        },
        {
            "supercategory": "electronic",
            "id": 76,
            "name": "keyboard"
        },
        {
            "supercategory": "electronic",
            "id": 77,
            "name": "cell phone"
        },
        {
            "supercategory": "appliance",
            "id": 78,
            "name": "microwave"
        },
        {
            "supercategory": "appliance",
            "id": 79,
            "name": "oven"
        },
        {
            "supercategory": "appliance",
            "id": 80,
            "name": "toaster"
        },
        {
            "supercategory": "appliance",
            "id": 81,
            "name": "sink"
        },
        {
            "supercategory": "appliance",
            "id": 82,
            "name": "refrigerator"
        },
        {
            "supercategory": "indoor",
            "id": 84,
            "name": "book"
        },
        {
            "supercategory": "indoor",
            "id": 85,
            "name": "clock"
        },
        {
            "supercategory": "indoor",
            "id": 86,
            "name": "vase"
        },
        {
            "supercategory": "indoor",
            "id": 87,
            "name": "scissors"
        },
        {
            "supercategory": "indoor",
            "id": 88,
            "name": "teddy bear"
        },
        {
            "supercategory": "indoor",
            "id": 89,
            "name": "hair drier"
        },
        {
            "supercategory": "indoor",
            "id": 90,
            "name": "toothbrush"
        }
    ]
}

I ignored licenses