标签：doc nal label and clipboard button 文档 comm pypi
opencv官方文档地址
https://docs.opencv.org/master/
安装opencv（cv2）官方地址
https://pypi.org/project/opencv-python/
pip install opencv-python
标签：doc nal label and clipboard button 文档 comm pypi
原文地址：https://www.cnblogs.com/cqliu/p/11199441.html
