1、cv2._ _ version _ _ 查看opencv版本号
2、若已安装opencv, 先删除：pip uninstall opencv-python
3、xfeatures2d 目前在opencv-contrib可以使用，解决方法：pip install opencv-contrib-python
python cv2.xfeatures2d No module
时间：2024-12-06 13:00:111、cv2._ _ version _ _ 查看opencv版本号
2、若已安装opencv, 先删除：pip uninstall opencv-python
3、xfeatures2d 目前在opencv-contrib可以使用，解决方法：pip install opencv-contrib-python