pip install 无法安装cv2

问题：在windows命令窗口输入pip install cv2后出现： Could not find a version that satisfies the requirement cv (from versions: ) No matching distribution found for cv

解决办法：换成以下命令：

pip3 install opencv-python
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原文地址：https://www.cnblogs.com/yuanxiaochou/p/12665513.html