Individual Image Annotations

For each image, we store the annotations in a separate json file named image_name.image_format.json with the following file structure:
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{
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    "description": "food",
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    "name": "tomatoes-eggs-dish.jpg",
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    "size": {
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        "width": 2100,
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        "height": 1500
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    },
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    "tags": [],
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    "objects": []
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}
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Fields definitions:
name - string - image name
description - string - (optional) - This field is used to store the text we want to assign to the image. In the labeling intrface it corresponds to the 'data' filed. 
size - stores image size. Mostly, it is used to get the image size without the actual image reading to speed up some data processing steps.
width - image width in pixels
height - image height in pixels
tags - list of strings that will be interpreted as image tags​
objects - list of objects on the image​
Full image annotation example with objects and tags
image example
Example:
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{
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    "description": "",
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    "tags": [
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        {
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            "id": 86458971,
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            "tagId": 28283797,
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            "name": "like",
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            "value": null,
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            "labelerLogin": "alexxx",
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            "createdAt": "2020-08-26T09:12:51.155Z",
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            "updatedAt": "2020-08-26T09:12:51.155Z"
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        },
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        {
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            "id": 86458968,
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            "tagId": 28283798,
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            "name": "situated",
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            "value": "outside",
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            "labelerLogin": "alexxx",
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            "createdAt": "2020-08-26T09:07:26.408Z",
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            "updatedAt": "2020-08-26T09:07:26.408Z"
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        }
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    ],
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    "size": {
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        "height": 952,
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        "width": 1200
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    },
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    "objects": [
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        {
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            "id": 497521359,
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            "classId": 1661571,
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            "description": "",
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            "geometryType": "bitmap",
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            "labelerLogin": "alexxx",
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            "createdAt": "2020-08-07T11:09:51.054Z",
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            "updatedAt": "2020-08-07T11:09:51.054Z",
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            "tags": [],
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            "classTitle": "person",
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            "bitmap": {
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                "data": "eJwBgQd++IlQTkcNChoKAAAADUlIRF",
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                "origin": [
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                    535,
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                    66
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                ]
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            }
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        },
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        {
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            "id": 497521358,
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            "classId": 1661574,
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            "description": "",
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            "geometryType": "rectangle",
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            "labelerLogin": "alexxx",
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            "createdAt": "2020-08-07T11:09:51.054Z",
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            "updatedAt": "2020-08-07T11:09:51.054Z",
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            "tags": [],
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            "classTitle": "bike",
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            "points": {
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                "exterior": [
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                    [
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                        0,
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                        236
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                    ],
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                    [
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                        582,
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                        872
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                    ]
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                ],
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                "interior": []
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            }
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        }
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    ]
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}
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Objects

Individual Video Annotations

Last modified 11mo ago

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Full image annotation example with objects and tags