coco = dict(
    train = dict(
        img_folder = '/comp_robot/cv_public_dataset/COCO2017/train2017',
        ann_file = '/comp_robot/cv_public_dataset/COCO2017/annotations/instances_train2017.json'
    ),
    val = dict(
        img_folder = '/comp_robot/cv_public_dataset/COCO2017/val2017',
        ann_file = '/comp_robot/cv_public_dataset/COCO2017/annotations/instances_val2017.json'
    )
)