自带转换程序，谁还在那自己写呢？
https://docs.ultralytics.com/reference/data/converter/?h=convert_coco#ultralytics.data.converter.convert_coco
"""
这个脚本用于将coco数据集格式转换为yolo数据集格式
"""
from ultralytics.data.converter import convert_coco
print("开始转换数据集格式")
cocoPath = "/home/data/cap"
path_to_write = "/home/data/cap/yolo"
convert_coco(cocoPath,save_dir=path_to_write, use_segments=True)
