coco数据集格式

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COCO 的jeson 文件: "images": [{"file_name": "811000171.jpg", "height": 720, "width": 1280, "id": 811000171}, {"file_name": "811000131.jpg", "height": 720, "width": 1280, "id": 811000131}] "type": "instances", "annotations":[ {"area": 92496, "iscrowd": 0, "image_id": 811000171, "bbox": [154, 262, 282, 328], "category_id": 0, "id": 1, "ignore": 0, "segmentation": [[154, 262, 154, 590, 436, 590, 436, 262]]}, {"area": 22428, "iscrowd": 0, "image_id": 811000171, "bbox": [234, 268, 126, 178], "category_id": 1, "id": 2, "ignore": 0, "segmentation": [[234, 268, 234, 446, 360, 446, 360, 268]]} ] "categories": [{"supercategory": "none", "id": 0, "name": "clothes"}, {"supercategory": "none", "id": 1, "name": "rope"}]

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coco:   ---train 　　--images 　　　　--811000171.jpg 　　　　--811000131.jpg 　　 --annotatons ---val 　　--images 　　　　--811000171.jpg 　　　　--811000131.jpg 　　 --annotatons