* modify the crop operator

* modify the judgment

* modify the judgment v2

* modify the data_feed.py

* modify the readme and add labelme2coco code

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README.md

* Update README_cn.md

* Update README.md

* Update README_cn.md

* Update labelme2coco.py

* Update labelme2coco.py

* Update labelme2coco.py

* Update data_feed.py